Integrated Taxonomic Information System - Taxon Author Search Results

Source: Fabaceae of North America Update, database (version 2011)

ITIS records citing this source
 
 Kingdom Plantae
  Abrus Adans. -- accepted
  Abrus abrus (L.) W. Wight -- not accepted
  Abrus precatorius L. -- accepted -- rosarypea, crab's eye, jequerity, pois rouge, precatory bean, rosary pea, tento muido
  Acacia Mill. -- accepted
  Acacia abyssinica Hochst. ex Benth. -- accepted
  Acacia abyssinica ssp. calophylla Brenan -- accepted
  Acacia accola Maiden & Betche -- not accepted
  Acacia acinacea Lindl. -- accepted -- gold-dust acacia, gold-dust wattle
  Acacia aciphylla Benth. -- accepted
  Acacia aculeatissima J.F. Macbr. -- accepted
  Acacia acuminata Benth. -- accepted
  Acacia adunca A. Cunn. ex G. Don -- accepted -- Wallangarra wattle
  Acacia alata R. Br. -- accepted -- winged wattle
  Acacia albida Delile -- not accepted
  Acacia amentacea DC. -- not accepted
  Acacia ampliceps Maslin -- accepted -- acacia
  Acacia anegadensis Britton -- not accepted -- blackbrush wattle
  Acacia aneura F. Muell. ex Benth. -- accepted -- mulga
  Acacia angustissima (Mill.) Kuntze -- accepted -- whiteball acacia, prairie acacia
  Acacia angustissima var. chisosiana Isely -- accepted -- Chisos prairie acacia, prairie acacia, Chisos acacia
  Acacia angustissima var. cuspidata (Schltdl.) L.D. Benson -- not accepted
  Acacia angustissima var. hirta (Nutt.) B.L. Rob. -- accepted -- prairie acacia
  Acacia angustissima var. shrevei (Britton & Rose) Isely -- accepted -- Shreve's prairie acacia, Shreve prairie acacia
  Acacia angustissima var. suffrutescens (Rose) Isely -- accepted -- prairie acacia
  Acacia angustissima var. texensis (Torr. & A. Gray) Isely -- accepted -- prairie wattle, whiteball acacia
  Acacia arabica (Lam.) Willd. -- not accepted
  Acacia arenaria Schinz -- accepted
  Acacia arenosa Willd. -- not accepted
  Acacia armata R. Br. -- not accepted
  Acacia auriculiformis A. Cunn. ex Benth. -- accepted -- earleaf acacia, auri, blackwattle, Darwin black wattle, Papuan wattle, tuhkehn pweimau
  Acacia baileyana F. Muell. -- accepted -- Cootamundra wattle, Bailey's acacia
  Acacia beckleri Tindale -- accepted -- Barrier Range wattle
  Acacia berlandieri Benth. -- not accepted -- guajillo, Berlandier's acacia
  Acacia binervata DC. -- accepted -- two-vein-hickory
  Acacia boormanii Maiden -- accepted -- Snowy River wattle
  Acacia brachybotrya Benth. -- accepted -- gray mulga
  Acacia buxifolia A. Cunn. -- accepted
  Acacia caesiella Maiden & Blakely -- accepted
  Acacia calamifolia Sweet ex Lindl. -- accepted -- broom wattle, wallowa
  Acacia cambagei R.T. Baker -- accepted -- gidgee, gidgee wattle
  Acacia campylacantha Hochst. ex A. Rich. -- not accepted
  Acacia cardiophylla A. Cunn. ex Benth. -- accepted -- wyalong wattle
  Acacia catechu (L. f.) Willd. -- accepted -- black cutch
  Acacia caven (Molina) Molina -- not accepted -- Roman-cassie, espino caván
  Acacia cavenia (Molina) Hook. & Arn. -- not accepted
  Acacia chinchillensis Tindale -- accepted -- Chinchilla wattle
  Acacia choriophylla Benth. -- not accepted -- cinnecord, Florida acacia
  Acacia cibaria F. Muell. -- accepted -- turpentine mulga, umbrella mulga
  Acacia clivicola Pedley -- not accepted
  Acacia cognata Domin -- accepted -- bower wattle
  Acacia colletioides A. Cunn. ex Benth. -- accepted
  Acacia collinsii Saff. -- not accepted -- bull horn acacia
  Acacia confusa Merr. -- accepted -- small Philippine acacia, Formosa acacia, Formosan koa, ianangi, pilampwoia, shoshigi, sosigi
  Acacia conspersa F. Muell. -- accepted
  Acacia constricta Benth. -- not accepted -- whitethorn acacia, mescat acacia, white twinthorn acacia
  Acacia constricta var. constricta Benth. -- not accepted -- whitethorn acacia, whitethorn
  Acacia constricta var. paucispina Wooton & Standl. -- not accepted -- whitethorn acacia, whitethorn
  Acacia constricta var. vernicosa (Standl.) L.D. Benson -- not accepted
  Acacia continua Benth. -- accepted -- thorn wattle
  Acacia cornigera (L.) Willd. -- not accepted -- bullhorn wattle
  Acacia craspedocarpa F. Muell. -- accepted
  Acacia cultriformis A. Cunn. ex G. Don -- accepted -- knife acacia
  Acacia cupularis Domin -- accepted
  Acacia cuspidata Schltdl. -- not accepted
  Acacia cyanophylla Lindl. -- not accepted
  Acacia cyclophylla Schltdl. -- not accepted
  Acacia cyclops A. Cunn. ex G. Don -- accepted -- coastal wattle, red eye, cyclops acacia
  Acacia davyi N.E. Br. -- accepted
  Acacia dealbata Link -- accepted -- silver wattle, mimosa
  Acacia decora Rchb. -- accepted -- graceful wattle
  Acacia decurrens Willd. -- accepted -- green wattle, black wattle
  Acacia decurrens var. dealbata (Link) F. Muell. -- not accepted
  Acacia decurrens var. decurrens Willd. -- not accepted -- green wattle
  Acacia decurrens var. mollis Lindl. -- not accepted
  Acacia detinens Burch. -- not accepted
  Acacia dietrichiana F. Muell. -- accepted
  Acacia difformis R.T. Baker -- accepted -- drooping wattle
  Acacia diffusa Ker Gawl. -- not accepted
  Acacia doratoxylon A. Cunn. -- accepted -- spearwood
  Acacia drummondii Lindl. -- accepted -- Drummond's wattle
  Acacia dunnii Turrill -- accepted
  Acacia eburnea (L. f.) Willd. -- not accepted
  Acacia elata A. Cunn. ex Benth. -- accepted -- cedar wattle
  Acacia emoryana Benth. -- not accepted -- Emory acacia
  Acacia erioloba E. Mey. -- not accepted -- camelthorn
  Acacia erubescens Welw. ex Oliv. -- accepted
  Acacia estrophiolata F. Muell. -- accepted
  Acacia extensa Lindl. -- accepted
  Acacia farnesiana (L.) Willd. -- not accepted -- sweet acacia, huisache, Texas huisache, klu bush, aroma, Ellington's curse, kandaroma, klu, popinac
  Acacia fimbriata A. Cunn. ex G. Don -- accepted -- fringed wattle
  Acacia floribunda (Vent.) Willd. -- accepted
  Acacia galpinii Burtt Davy -- accepted
  Acacia genistifolia Link -- accepted -- early wattle, spreading wattle
  Acacia gerrardii Benth. -- not accepted
  Acacia gerrardii ssp. negevensis Zohary -- not accepted
  Acacia gladiiformis A. Cunn. ex Benth. -- accepted
  Acacia glandulicarpa Reader -- accepted
  Acacia glauca (L.) Moench -- accepted -- acacia, redwood, wild dividivi
  Acacia goetzei Harms -- accepted
  Acacia gracilifolia Maiden & Blakely -- accepted -- graceful wattle
  Acacia graffiana F. Muell. -- not accepted
  Acacia greggii A. Gray -- not accepted -- catclaw acacia, devilsclaw, Gregg's catclaw, Texas catclaw, catclaw
  Acacia greggii var. arizonica Isely -- not accepted
  Acacia greggii var. greggii A. Gray -- not accepted -- catclaw acacia, Arizona acacia, catclaw, catclaw mimosa
  Acacia greggii var. wrightii (Benth.) Isely -- not accepted -- catclaw acacia, Wright's acacia, Wright's catclaw
  Acacia hakeoides A. Cunn. ex Benth. -- accepted
  Acacia hebeclada DC. -- accepted
  Acacia hemiteles Benth. -- accepted
  Acacia hirta Nutt. -- not accepted
  Acacia hirta ssp. lemmonii (Rose) Wiggins -- not accepted
  Acacia holosericea A. Cunn. ex G. Don -- accepted -- candelabra wattle
  Acacia homalophylla A. Cunn. ex Benth. -- not accepted
  Acacia horrida (L.) Willd. -- accepted
  Acacia howittii F. Muell. -- accepted -- sticky wattle
  Acacia imbricata F. Muell. -- accepted -- imbricate wattle
  Acacia implexa Benth. -- accepted -- screw-pod wattle
  Acacia irrorata Sieber ex Spreng. -- accepted -- green wattle
  Acacia iteaphylla F. Muell. ex Benth. -- accepted
  Acacia ixiophylla Benth. -- accepted
  Acacia jibberdingensis Maiden & Blakely -- accepted
  Acacia jonesii F. Muell. & Maiden -- accepted
  Acacia juniperina (Vent.) Willd. -- not accepted
  Acacia karroo Hayne -- accepted -- karroothorn
  Acacia kauaiensis Hillebr. -- not accepted
  Acacia koa A. Gray -- accepted -- koa
  Acacia koa var. hawaiiensis Rock -- not accepted
  Acacia koa var. lanaiensis Rock -- not accepted
  Acacia koa var. weimeae Hochr. -- not accepted
  Acacia koaia Hillebr. -- accepted -- koaoha, Koai'e
  Acacia lanuginophylla R.S. Cowan & Maslin -- accepted
  Acacia lanuginosa C.A. Gardner -- not accepted
  Acacia lasiocalyx C.R.P. Andrews -- accepted
  Acacia latifolia Benth. -- accepted
  Acacia lebbeck (L.) Willd. -- not accepted
  Acacia leiophylla Benth. -- accepted
  Acacia lemmonii Rose -- not accepted
  Acacia ligulata A. Cunn. ex Benth. -- accepted -- acacia
  Acacia linearis Sims -- not accepted
  Acacia lineata A. Cunn. ex G. Don -- accepted
  Acacia longifolia (Andrews) Willd. -- accepted -- Sydney golden wattle, western yarrow
  Acacia longifolia ssp. sophorae (Labill.) Court -- not accepted
  Acacia longissima H.L. Wendl. -- accepted
  Acacia luehmannii F. Muell. -- not accepted
  Acacia macracantha Humb. & Bonpl. ex Willd. -- not accepted -- porknut, long-spine acacia
  Acacia macracanthoides Bertero ex DC. -- not accepted
  Acacia maidenii F. Muell. -- accepted
  Acacia malacophylla Benth. -- not accepted
  Acacia mangium Willd. -- accepted
  Acacia mearnsii De Wild. -- accepted -- black wattle
  Acacia melanoxylon R. Br. -- accepted -- blackwood, Australian blackwood, blackwood acacia
  Acacia mellifera (Vahl) Benth. -- accepted
  Acacia mellifera ssp. detinens (Burch.) Brenan -- not accepted
  Acacia merrallii F. Muell. -- accepted
  Acacia microbotrya Benth. -- accepted
  Acacia microcarpa F. Muell. -- accepted -- manna wattle
  Acacia millefolia S. Watson -- not accepted -- milfoil wattle, Santa Rita acacia
  Acacia minuta (M.E. Jones) R.M. Beauch. -- not accepted -- coastal scrub wattle
  Acacia minuta ssp. densiflora (Alexander ex Small) R.M. Beauch. -- not accepted -- coastal scrub wattle
  Acacia minuta ssp. minuta (M.E. Jones) R.M. Beauch. -- not accepted -- coastal scrub wattle
  Acacia montana Benth. -- not accepted
  Acacia mucronata Willd. ex H.L. Wendl. -- accepted -- narrow-leaf wattle
  Acacia multispicata Benth. -- accepted
  Acacia muricata (L.) Willd. -- not accepted -- spineless wattle
  Acacia myrtifolia (Sm.) Willd. -- accepted
  Acacia neovernicosa Isely -- not accepted -- viscid acacia
  Acacia neriifolia A. Cunn. ex Benth. -- accepted
  Acacia nigrescens Oliv. -- accepted -- knobthorn
  Acacia nilotica (L.) Willd. ex Delile -- not accepted -- gum arabic tree
  Acacia notabilis F. Muell. -- accepted -- notable wattle, stiff golden wattle
  Acacia omalophylla A. Cunn. ex Benth. -- accepted -- yarran
  Acacia oswaldii F. Muell. -- accepted -- umbrella acacia, umbrella-bush
  Acacia oxycedrus Sieber ex DC. -- accepted
  Acacia pachyceras Sw. -- accepted
  Acacia pachyceras var. najdensis (Chaudhary) Boulos -- not accepted
  Acacia papyrocarpa Benth. -- accepted
  Acacia paradoxa DC. -- accepted -- paradox acacia, kangaroo-thorn, acacia-hedge, prickly acacia, kangaroothorn, kangaroo thorn
  Acacia parramattensis Tindale -- accepted -- South Wales wattle
  Acacia parvipinnula Tindale -- accepted -- silver-stem wattle
  Acacia pendula A. Cunn. ex G. Don -- accepted -- myall acacia, weeping myall
  Acacia pennatula (Schltdl. & Cham.) Benth. -- not accepted -- fern-leaf acacia, tepame
  Acacia penninervis Sieber ex DC. -- accepted -- blackwood, mountain-hickory
  Acacia pentagona (Schumach. & Thonn.) Hook. f. -- accepted
  Acacia pinetorum F.J. Herm. -- not accepted -- pineland wattle
  Acacia podalyriifolia A. Cunn. ex G. Don -- accepted -- pearl wattle
  Acacia polyacantha Willd. -- accepted -- catechu tree
  Acacia polyacantha ssp. campylacantha (Hochst. ex A. Rich.) Brenan -- not accepted
  Acacia pravissima F. Muell. ex Benth. -- accepted -- wedge-leaf wattle
  Acacia prominens A. Cunn. ex G. Don -- accepted -- goldenrain wattle, Gosford wattle, gray sally
  Acacia pruinosa A. Cunn. ex Benth. -- accepted -- frosty wattle
  Acacia pulchella R. Br. -- accepted
  Acacia pycnantha Benth. -- accepted -- golden wattle
  Acacia pyrifolia DC. -- accepted
  Acacia quornensis J.M. Black -- accepted -- quorn wattle
  Acacia ramulosa W. Fitzg. -- accepted
  Acacia redolens Maslin -- accepted -- bank catclaw
  Acacia rehmanniana Schinz -- accepted -- acacia
  Acacia retinodes Schltdl. -- accepted -- water wattle, everblooming acacia
  Acacia retusa (Jacq.) R.A. Howard -- not accepted -- catch and keep
  Acacia richii A. Gray -- accepted -- Tasmanian wattle
  Acacia rigens A. Cunn. ex G. Don -- accepted -- nealie, needle-bush wattle, wallaby acacia
  Acacia rigidula Benth. -- not accepted -- blackbrush acacia, chaparro prieto
  Acacia riparia Kunth -- not accepted
  Acacia rivalis J.M. Black -- accepted -- creek wattle, silver wattle
  Acacia robusta Burch. -- accepted
  Acacia roemeriana Scheele -- not accepted -- roundflower catclaw, blackbrush, Roemer catclaw, Roemer's acacia
  Acacia rossei F. Muell. -- accepted
  Acacia rubida A. Cunn. -- accepted -- red-leaf wattle, red-stem acacia, red-stem wattle
  Acacia rupicola F. Muell. ex Benth. -- accepted
  Acacia saliciformis Tindale -- accepted
  Acacia salicina Lindl. -- accepted -- cooba, willow acacia
  Acacia saligna (Labill.) H.L. Wendl. -- accepted -- orange wattle
  Acacia schaffneri (S. Watson) F.J. Herm. -- not accepted -- Schaffner's wattle, twisted acacia
  Acacia schaffneri var. bravoensis Isely -- not accepted -- Schaffner's wattle, twisted acacia
  Acacia schaffneri var. schaffneri (S. Watson) F.J. Herm. -- not accepted -- Schaffner's wattle
  Acacia schottii Torr. -- not accepted -- Schott's wattle, Schott's acacia
  Acacia schweinfurthii Brenan & Exell -- accepted
  Acacia sclerosperma F. Muell. -- accepted -- acacia
  Acacia scleroxyla Tussac -- not accepted -- padre de las casas
  Acacia senegal (L.) Willd. -- accepted -- gum arabic
  Acacia senegal var. rostrata Brenan -- not accepted
  Acacia seyal Delile -- not accepted -- talh
  Acacia sieberiana DC. -- accepted
  Acacia sieberiana var. woodii (Burtt Davy) Keay & Brenan -- not accepted -- paperbark-thorn
  Acacia silvestris Tindale -- accepted -- red wattle
  Acacia skleroxyla Tussac -- not accepted
  Acacia smallii Isely -- not accepted
  Acacia sophorae (Labill.) R. Br. -- not accepted -- acacia
  Acacia sowdenii Maiden -- not accepted
  Acacia spectabilis A. Cunn. ex Benth. -- accepted -- glory wattle, mudgee wattle
  Acacia sphaerocephala Schltdl. & Cham. -- not accepted -- bee wattle
  Acacia stenophylla A. Cunn. ex Benth. -- accepted -- Dalby myall, river myall, river cooba
  Acacia stowardii Maiden -- accepted -- bastard mulga
  Acacia stricta (Andrews) Willd. -- accepted
  Acacia suaveolens (Sm.) Willd. -- accepted -- sweet acacia, sweet wattle
  Acacia sublanata Benth. -- accepted
  Acacia subulata Bonpl. -- accepted -- awl-leaf wattle
  Acacia suma (Roxb.) Buch.-Ham. ex Voigt -- not accepted
  Acacia swazica Burtt Davy -- accepted
  Acacia terminalis (Salisb.) J.F. Macbr. -- accepted -- cedar wattle
  Acacia tetragonophylla F. Muell. -- accepted -- dead finish
  Acacia texensis Torr. & A. Gray -- not accepted
  Acacia tortilis (Forssk.) Hayne -- not accepted -- umbrella thorn
  Acacia tortilis ssp. heteracantha (Burch.) Brenan -- not accepted
  Acacia tortilis ssp. spirocarpa (Hochst. ex A. Rich.) Brenan -- not accepted
  Acacia tortuosa (L.) Willd. -- not accepted -- poponax, huisachillo, twisted acacia
  Acacia trineura F. Muell. -- accepted
  Acacia ulicifolia (Salisb.) Court -- accepted -- juniper wattle
  Acacia uncinata Lindl. -- accepted
  Acacia undulifolia A. Cunn. ex G. Don -- accepted
  Acacia urophylla Benth. ex Lindl. -- accepted
  Acacia verek Guill. & Perr. -- not accepted
  Acacia verniciflua A. Cunn. -- accepted
  Acacia vernicosa Standl. -- not accepted
  Acacia verticillata (L'Hér.) Willd. -- accepted -- prickly Moses
  Acacia victoriae Benth. -- accepted -- bramble acacia, bramble wattle, acacia
  Acacia villosa (Sw.) Willd. -- not accepted
  Acacia viscidula Benth. -- accepted
  Acacia visco Lorentz ex Griseb. -- not accepted
  Acacia vogeliana Steud. -- not accepted -- macata bourse bastard
  Acacia wattsiana F. Muell. ex Benth. -- accepted
  Acacia westiana DC. -- not accepted
  Acacia willardiana Rose -- not accepted
  Acacia wrightii Benth. -- not accepted -- Texas catclaw, Wright's acacia, Wright's catclaw
  Acacia xanthophloea Benth. -- not accepted -- fevertree
  Acaciella hirta (Nutt.) Britton & Rose -- not accepted
  Acaciella shrevei Britton & Rose -- not accepted
  Acaciopsis Britton & Rose -- not accepted
  Acaciopsis rigidula (Benth.) Britton & Rose -- not accepted
  Acmispon Raf. -- accepted
  Acmispon americanum (Nutt.) Rydb. -- not accepted
  Acmispon americanus (Nutt.) Rydb. -- accepted -- American bird's-foot trefoil
  Acmispon americanus var. americanus (Nutt.) Rydb. -- accepted -- American bird's-foot trefoil
  Acmispon americanus var. helleri (Britton) Brouillet -- accepted -- Heller's bird's-foot trefoil
  Acmispon argophyllus (A. Gray) Brouillet -- accepted -- silver bird's-foot trefoil
  Acmispon argophyllus var. adsurgens (Dunkle) Brouillet -- accepted -- Santa Cruz Island silverhosackia
  Acmispon argophyllus var. argenteus (Dunkle) Brouillet -- accepted -- silver bird's-foot trefoil
  Acmispon argophyllus var. argophyllus (A. Gray) Brouillet -- accepted -- silver bird's-foot trefoil
  Acmispon argophyllus var. fremontii (A. Gray) Brouillet -- accepted -- Fremont's birdsfoot trefoil
  Acmispon argophyllus var. niveus (Greene) Brouillet -- accepted -- Santa Cruz Island silverhosackia
  Acmispon argyraeus (Greene) Brouillet -- accepted -- canyon bird's-foot trefoil
  Acmispon argyraeus var. argyraeus (Greene) Brouillet -- accepted -- canyon bird's-foot trefoil
  Acmispon argyraeus var. multicaulis (Ottley) Brouillet -- accepted -- canyon bird's-foot trefoil
  Acmispon argyraeus var. notitius (Isely) Brouillet -- accepted -- canyon bird's-foot trefoil
  Acmispon cytisoides (Benth.) Brouillet -- accepted -- Bentham's broom
  Acmispon dendroideus (Greene) Brouillet -- accepted -- island broom
  Acmispon dendroideus var. dendroideus (Greene) Brouillet -- accepted -- island broom
  Acmispon dendroideus var. traskiae (Eastw. ex Noddin) Brouillet -- accepted -- Trask's island broom
  Acmispon dendroideus var. veatchii (Greene) Brouillet -- accepted -- Veatch's island broom
  Acmispon denticulatus (Drew) Sokoloff -- accepted -- riverbar bird's-foot trefoil
  Acmispon glabrus (Vogel) Brouillet -- accepted -- common deerweed
  Acmispon glabrus var. brevialatus (Ottley) Brouillet -- accepted -- western bird's-foot trefoil
  Acmispon glabrus var. glabrus (Vogel) Brouillet -- accepted -- common deerweed
  Acmispon grandiflorus (Benth.) Brouillet -- accepted -- chaparral bird's-foot trefoil
  Acmispon grandiflorus var. grandiflorus (Benth.) Brouillet -- accepted -- chaparral bird's-foot trefoil
  Acmispon grandiflorus var. macranthus (Greene) Brouillet -- accepted -- chaparral bird's-foot trefoil
  Acmispon greenei (Wooton & Standl.) Brouillet -- accepted -- Greene's bird's-foot trefoil
  Acmispon haydonii (Orcutt) Brouillet -- accepted -- rock bird's-foot trefoil
  Acmispon heermannii (Durand & Hilg.) Brouillet -- accepted -- Heermann's bird's-foot trefoil
  Acmispon heermannii var. heermannii (Durand & Hilg.) Brouillet -- accepted -- Heermann's bird's-foot trefoil
  Acmispon heermannii var. orbicularis (A. Gray) Brouillet -- accepted -- Heermann's bird's-foot trefoil
  Acmispon helleri (Britton) A. Heller -- not accepted
  Acmispon humistratus (Benth.) D.D. Sokoloff -- accepted -- foothill deervetch
  Acmispon intricatus (Eastw.) Brouillet -- accepted -- strigose bird's-foot trefoil
  Acmispon junceus (Benth.) Brouillet -- accepted -- rush broom
  Acmispon junceus var. biolettii (Greene) Brouillet -- accepted -- Bioletti's rush broom
  Acmispon junceus var. junceus (Benth.) Brouillet -- accepted -- rush broom
  Acmispon maritimus (Nutt.) D.D. Sokoloff -- accepted -- coastal bird's-foot trefoil
  Acmispon maritimus var. brevivexillus (Ottley) Brouillet -- accepted -- coastal bird's-foot trefoil
  Acmispon maritimus var. maritima (Nutt.) D.D. Sokoloff -- accepted -- coastal bird's-foot trefoil
  Acmispon mearnsii (Britton) Brouillet -- accepted -- Mearns' bird's-foot trefoil
  Acmispon mearnsii var. equisolensis (J.L. Anderson) Brouillet -- accepted -- Mearns' bird's-foot trefoil
  Acmispon mearnsii var. mearnsii (Britton) Brouillet -- accepted -- Mearns' bird's-foot trefoil
  Acmispon micranthus (Nutt.) Brouillet -- accepted -- San Diego bird's-foot trefoil
  Acmispon nevadensis (S. Watson) Brouillet -- accepted -- Nevada bird's-foot trefoil
  Acmispon nevadensis var. davidsonii (Greene) Brouillet -- accepted -- Davidson's bird's-foot trefoil
  Acmispon nevadensis var. nevadensis (S. Watson) Brouillet -- accepted -- Nevada bird's-foot trefoil
  Acmispon oroboides (Kunth) Brouillet -- accepted -- New Mexico bird's-foot trefoil
  Acmispon parviflorus (Benth.) D.D. Sokoloff -- accepted -- desert deervetch
  Acmispon procumbens (Greene) Brouillet -- accepted -- silky deerweed
  Acmispon procumbens var. jepsonii (Ottley) Brouillet -- accepted -- Jepson's deerweed
  Acmispon procumbens var. procumbens (Greene) Brouillet -- accepted -- silky deerweed
  Acmispon prostratus (Nutt.) Brouillet -- accepted -- wire bird's-foot trefoil
  Acmispon rigidus (Benth.) Brouillet -- accepted -- shrubby deervetch
  Acmispon rubriflorus (H. Sharsm.) D.D. Sokoloff -- accepted -- redflower bird's-foot trefoil
  Acmispon strigosus (Nutt.) Brouillet -- accepted -- strigose bird's-foot trefoil
  Acmispon utahensis (Ottley) Brouillet -- accepted -- Utah bird's-foot trefoil
  Acmispon wrangelianus (Fisch. & C.A. Mey.) D.D. Sokoloff -- accepted -- Chilean bird's-foot trefoil
  Acmispon wrightii (A. Gray) Brouillet -- accepted -- Wright's deervetch
  Acuan Medik. -- not accepted
  Acuan depressum (Humb. & Bonpl. ex Willd.) Kuntze -- not accepted
  Acuan illinoense (Michx.) Kuntze -- not accepted
  Acuan illinoensis (Michx.) Kuntze -- not accepted
  Acuan leptolobum (Torr. & A. Gray) Kuntze -- not accepted
  Acuan virgatum (L.) Medik. -- not accepted
  Adenanthera L. -- accepted -- beadtree
  Adenanthera pavonina L. -- accepted -- red beadtree, coral bean tree, false wiliwili, lopa, pomea, red bead tree, red sandlewood
  Adenocarpus DC. -- accepted
  Adenocarpus foliolosus (Aiton) DC. -- accepted -- Canary Island flatpod
  Adesmia DC. -- accepted
  Adesmia angustifolia Hook. & Arn. -- not accepted
  Adesmia bicolor (Poir.) DC. -- accepted -- alverjilla, babosita, patope
  Adesmia filifolia Clos -- accepted
  Adesmia incana Vogel -- accepted
  Adesmia microphylla Hook. & Arn. -- accepted -- pahuen, palhuen, varilla
  Adesmia muricata (Jacq.) DC. -- accepted
  Adesmia tenella Hook. & Arn. -- accepted
  Adipera bicapsularis (L.) Britton & Rose ex Britton & P. Wilson -- not accepted
  Adipera corymbosa (Lam.) Britton & Rose -- not accepted
  Adipera laevigata (Willd.) Britton & Rose ex Britton & P. Wilson -- not accepted
  Adipera stahlii (Urb.) Britton & Rose ex Britton & P. Wilson -- not accepted
  Aeschynomene L. -- accepted -- jointvetch
  Aeschynomene americana L. -- accepted -- shyleaf
  Aeschynomene americana var. glandulosa (Poir.) Rudd -- not accepted
  Aeschynomene aspera L. -- accepted -- sola pith plant
  Aeschynomene bispinosa Jacq. -- not accepted
  Aeschynomene brasiliana (Poir.) DC. -- accepted
  Aeschynomene elaphroxylon (Guill. & Perr.) Taub. -- accepted -- ambatch
  Aeschynomene elegans Schltdl. & Cham. -- accepted
  Aeschynomene emerus Aubl. -- not accepted
  Aeschynomene evenia C. Wright -- accepted -- shrubby jointvetch
  Aeschynomene falcata (Poir.) DC. -- accepted -- Australian joint-vetch
  Aeschynomene gracilis Vogel -- accepted -- Puerto Rico jointvetch
  Aeschynomene histrix Poir. -- accepted -- porcupine jointvetch
  Aeschynomene histrix var. histrix Poir. -- accepted -- porcupine jointvetch
  Aeschynomene histrix var. incana Benth. -- accepted -- porcupine jointvetch
  Aeschynomene indica L. -- accepted -- Indian jointvetch, kat sola, jointvetch
  Aeschynomene paniculata Willd. ex Vogel -- accepted -- panicle jointvetch
  Aeschynomene paniculatus Willd. ex Vogel -- not accepted
  Aeschynomene portoricensis Urb. -- accepted
  Aeschynomene pratensis Small -- accepted -- meadow jointvetch
  Aeschynomene rudis Benth. -- accepted -- zigzag jointvetch, rough jointvetch
  Aeschynomene sensitiva Sw. -- accepted -- sensitive jointvetch
  Aeschynomene sensitiva var. hispidula Rudd -- accepted -- sensitive jointvetch
  Aeschynomene sensitiva var. sensitiva Sw. -- accepted -- sensitive jointvetch
  Aeschynomene villosa Poir. -- accepted -- hairy jointvetch, hairy joint-vetch
  Aeschynomene virgata Cav. -- not accepted
  Aeschynomene virginica (L.) Britton, Sterns & Poggenb. -- accepted -- Virginia jointvetch, sensitive joint-vetch, northern jointvetch
  Aeschynomene viscidula Michx. -- accepted -- sticky jointvetch
  Afzelia Sm. -- accepted -- mahogany
  Afzelia africana Sm. ex Pers. -- accepted -- African mahogany
  Afzelia bella Harms -- accepted -- pretty afzelia
  Afzelia quanzensis Welw. -- accepted -- pod mahogany
  Agati grandiflora (L.) Desv. -- not accepted
  Albizia Durazz. -- accepted
  Albizia adianthifolia (Schumach.) W. Wight -- accepted -- West African albizia
  Albizia adinocephala (Donn. Sm.) Britton & Rose ex Record -- accepted -- cream albizia
  Albizia amara (Roxb.) Boivin -- accepted
  Albizia antunesiana Harms -- accepted
  Albizia carbonaria Britton -- accepted -- naked albizia
  Albizia chinensis (Osbeck) Merr. -- accepted -- Chinese albizia
  Albizia distachya J.F. Macbr. -- not accepted
  Albizia falcata auct. non (L.) Backer -- not accepted
  Albizia falcataria (L.) Fosberg -- not accepted
  Albizia ferruginea (Guill. & Perr.) Benth. -- accepted -- albizia
  Albizia gummifera (J.F. Gmel.) C.A. Sm. -- accepted
  Albizia julibrissin Durazz. -- accepted -- silktree, powderpuff tree, mimosa, silk tree
  Albizia kalkora (Roxb.) Prain -- accepted
  Albizia lebbeck (L.) Benth. -- accepted -- woman's tongue, lebbek, siris tree, raom tree, soros-tree, woman's-tongue tree
  Albizia lebbekoides (DC.) Benth. -- accepted -- Indian albizia
  Albizia lophantha (Willd.) Benth. -- not accepted
  Albizia montana (Jungh.) Benth. -- not accepted
  Albizia odoratissima (L. f.) Benth. -- accepted -- albizia
  Albizia procera (Roxb.) Benth. -- accepted -- tall albizia
  Albizia saman (Jacq.) F. Muell. -- not accepted -- saman tree, raintree
  Albizia saponaria (Lour.) Blume ex Miq. -- accepted -- whiteflower albizia
  Albizia schimperiana Oliv. -- accepted
  Albizia stipulata (Roxb.) Boivin -- not accepted
  Albizia zygia (DC.) J.F. Macbr. -- accepted -- albizia
  Alhagi Gagnebin -- accepted
  Alhagi camelorum Fisch. -- not accepted -- camelthorn
  Alhagi maurorum Medik. -- accepted -- camelthorn
  Alhagi pseudalhagi (M. Bieb.) Desv. ex B. Keller & Shap. -- not accepted -- camelthorn
  Alysicarpus Desv. -- accepted -- moneywort
  Alysicarpus glumaceus (Vahl) DC. -- accepted
  Alysicarpus ovalifolius (Schumach.) J. Léonard -- accepted -- alyce clover
  Alysicarpus rugosus (Willd.) DC. -- accepted -- red moneywort
  Alysicarpus vaginalis (L.) DC. -- accepted -- white moneywort
  Alysicarpus vaginalis var. nummulariifolius (L.) Baker -- not accepted
  Amerimnon brownei Jacq. -- not accepted
  Amerimnon brownii Jacq. -- not accepted
  Amorpha L. -- accepted -- false indigo, indigobush
  Amorpha angustifolia (Pursh) F.E. Boynton -- not accepted
  Amorpha brachycarpa E.J. Palmer -- not accepted
  Amorpha bushii Rydb. -- not accepted
  Amorpha californica Nutt. -- accepted -- California false indigo, mock locust
  Amorpha californica var. californica Nutt. -- accepted -- California false indigo
  Amorpha californica var. hispidula (Greene) E.J. Palmer -- not accepted
  Amorpha californica var. napensis Jeps. -- accepted -- Napa false indigo
  Amorpha canescens Pursh -- accepted -- leadplant, leadplant amorpha
  Amorpha crenulata Rydb. -- not accepted -- crenulate lead-plant
  Amorpha croceolanata P. Watson -- not accepted
  Amorpha curtissii Rydb. -- not accepted
  Amorpha cyanostachya auct. non M.A. Curtis. -- not accepted
  Amorpha cyanostachya M.A. Curtis -- not accepted
  Amorpha dewinkeleri Small -- not accepted
  Amorpha floridana Rydb. -- not accepted
  Amorpha fruticosa L. -- accepted -- desert false indigo, dullleaf indigo, false indigobush, leadplant, desert indigobush, indigobush, false indigo
  Amorpha fruticosa var. angustifolia Pursh -- not accepted
  Amorpha fruticosa var. croceolanata (P. Watson) P. Watson ex Mouill. -- not accepted
  Amorpha fruticosa var. emarginata Pursh -- not accepted
  Amorpha fruticosa var. oblongifolia E.J. Palmer -- not accepted
  Amorpha fruticosa var. occidentalis (Abrams) Kearney & Peebles -- not accepted
  Amorpha fruticosa var. tennesseensis (Shuttlew. ex Kunze) E.J. Palmer -- not accepted
  Amorpha georgiana Wilbur -- accepted -- Georgia false indigo
  Amorpha georgiana var. confusa Wilbur -- accepted -- Georgia false indigo, Carolina lead-plant
  Amorpha georgiana var. georgiana Wilbur -- accepted -- Georgia false indigo, Georgia lead-plant
  Amorpha glabra (Pers.) Poir. -- accepted -- mountain false indigo
  Amorpha herbacea Walter -- accepted -- clusterspike false indigo
  Amorpha herbacea var. crenulata (Rydb.) Isely -- accepted -- clusterspike false indigo, crenulate lead-plant
  Amorpha herbacea var. floridana (Rydb.) Wilbur -- not accepted
  Amorpha herbacea var. herbacea Walter -- accepted -- clusterspike false indigo
  Amorpha laevigata Nutt. -- accepted -- smooth false indigo, smooth indigobush
  Amorpha nana Nutt. -- accepted -- dwarf false indigo, dwarf indigo, dwarf indigobush
  Amorpha nitens F.E. Boynton -- accepted -- shining false indigo
  Amorpha occidentalis Abrams -- not accepted
  Amorpha occidentalis var. arizonica (Rydb.) E.J. Palmer -- not accepted
  Amorpha occidentalis var. emarginata (Pursh) E.J. Palmer -- not accepted
  Amorpha ouachitensis Wilbur -- accepted -- Ouachita false indigo
  Amorpha paniculata Torr. & A. Gray -- accepted -- panicled false indigo, panicled indigobush
  Amorpha roemeriana Scheele -- accepted -- Roemer's false indigo, Texas amorpha
  Amorpha schwerinii C.K. Schneid. -- accepted -- Schwerin's false indigo
  Amorpha tennesseensis Shuttlw. ex Kunze -- not accepted
  Amorpha texana Buckley -- not accepted
  Amorpha virgata Small -- not accepted
  Amorpha X notha E.J. Palmer -- accepted -- notha indigobush
  Amphicarpa Elliott ex Nutt. -- not accepted
  Amphicarpa bracteata (L.) Fernald -- not accepted
  Amphicarpaea Elliott ex Nutt. -- accepted -- hogpeanut
  Amphicarpaea bracteata (L.) Fernald -- accepted -- American hogpeanut, hog-peanut
  Amphicarpaea bracteata var. bracteata (L.) Fernald -- accepted -- American hogpeanut
  Amphicarpaea bracteata var. comosa (L.) Fernald -- accepted -- American hogpeanut
  Amphicarpaea comosa (L.) G. Don -- not accepted
  Amphicarpaea pitcheri Torr. & A. Gray -- not accepted
  Anadenanthera Speg. -- accepted
  Anadenanthera falcata (Benth.) Speg. -- not accepted
  Anadenanthera peregrina (L.) Speg. -- accepted -- cohoba tree
  Andira Juss. -- accepted
  Andira inermis (W. Wright) Kunth ex DC. -- accepted -- cabbagebark tree
  Andira jamaicensis (W. Wright) Urb. -- not accepted
  Andira racemosa Lam. ex J. St.-Hil. -- not accepted
  Anneslea haematostoma (Bertero ex DC.) Britton -- not accepted
  Anneslea portoricensis (Jacq.) Britton -- not accepted
  Anneslea purpurea (L.) Britton -- not accepted
  Anneslia haematomma (Bertero ex DC.) Britton -- not accepted
  Anneslia portoricensis (Jacq.) Britton -- not accepted
  Anneslia purpurea (L.) Britton -- not accepted
  Anthyllis L. -- accepted -- kidneyvetch
  Anthyllis cornicina L. -- accepted
  Anthyllis cytisoides L. -- accepted -- albaida
  Anthyllis lotoides L. -- accepted
  Anthyllis polyphylla (DC.) Kit. ex G. Don -- not accepted
  Anthyllis tetraphylla L. -- not accepted
  Anthyllis vulneraria L. -- accepted -- common kidneyvetch, common kidney-vetch
  Anthyllis vulneraria ssp. maritima (Schweigg.) Corb. -- not accepted
  Anthyllis vulneraria ssp. polyphylla (DC.) Nyman -- not accepted
  Antopetitia A. Rich. -- accepted
  Antopetitia abyssinica A. Rich. -- accepted
  Apios Fabr. -- accepted -- groundnut
  Apios americana Medik. -- accepted -- groundnut, potatobean
  Apios americana var. turrigera Fernald -- not accepted
  Apios priceana B.L. Rob. -- accepted -- traveler's delight, Price's potato-bean
  Arachis L. -- accepted -- peanut
  Arachis benthamii Handro -- accepted
  Arachis burkartii Handro -- accepted
  Arachis glabrata Benth. -- accepted -- rhizoma peanut, peanut
  Arachis glabrata var. hagenbeckii (Harms) F.J. Herm. -- accepted -- rhizoma peanut
  Arachis hagenbeckii Harms -- not accepted -- Hagenbeck's peanut
  Arachis hypogaea L. -- accepted -- peanut
  Arachis monticola Krapov. & Rigoni -- accepted -- peanut
  Arachis paraguariensis Chodat & Hassl. -- accepted
  Arachis pintoi Krapov. & W.C. Greg. -- accepted -- pinto peanut
  Arachis prostrata Benth. -- accepted -- grassnut
  Arachis pusilla Benth. -- accepted
  Arachis rigonii Krapov. & W.C. Greg. -- accepted
  Arachis villosa Benth. -- accepted
  Arachis villosulicarpa Hoehne -- accepted -- groundnut
  Aragallus argophyllus Rydb. -- not accepted
  Aragallus articulatus Greene -- not accepted
  Aragallus atropurpureus Rydb. -- not accepted
  Aragallus besseyi Rydb. -- not accepted
  Aragallus hudsonicus Greene -- not accepted
  Aragallus oreophilus (A. Gray) A. Nelson -- not accepted
  Aragallus splendens (Douglas ex Hook.) Greene -- not accepted
  Aragallus ventosus Greene -- not accepted
  Aragallus viscidulus Rydb. -- not accepted
  Aragallus viscidulus var. depressus Rydb. -- not accepted
  Arcyphyllum difforme Elliott -- not accepted
  Argyrolobium Eckl. & Zeyh. -- accepted
  Argyrolobium abyssinicum Jaub. & Spach -- not accepted
  Argyrolobium arabicum (Decne.) Jaub. & Spach -- accepted
  Argyrolobium linnaeanum Walp. -- not accepted
  Argyrolobium marginatum Bolus -- accepted
  Argyrolobium rupestre (E. Mey.) Walp. -- accepted
  Argyrolobium rupestre ssp. remotum (A. Rich.) Polhill -- not accepted
  Argyrolobium uniflorum (Decne.) Jaub. & Spach -- accepted
  Argyrolobium virgatum Baker -- not accepted
  Argyrolobium zanonii (Turra) P.W. Ball -- accepted
  Aspalathus L. -- accepted -- aspalathus
  Aspalathus contaminatus auct. non Druce -- not accepted
  Aspalathus ebenus L. -- not accepted
  Aspalathus elongata Eckl. & Zeyh. -- not accepted
  Aspalathus linearis (Burm. f.) R. Dahlgren -- accepted -- rooibos
  Aspalathus quinquefolia L. -- accepted
  Aspalathus quinquefolia ssp. virgata (Thunb.) R. Dahlgren -- not accepted
  Aspalatus ebenus L. -- not accepted
  Aspalthium Medik. -- not accepted
  Aspalthium bituminosum (L.) Kuntze -- not accepted
  Astragalus L. -- accepted -- milkvetch, astragales, locoweed
  Astragalus aboriginorum Richardson -- not accepted
  Astragalus aboriginorum var. fastigiorum M.E. Jones -- not accepted
  Astragalus aboriginorum var. glabriusculus (Hook.) Rydb. -- not accepted
  Astragalus aboriginorum var. lepagei (Hultén) B. Boivin -- not accepted
  Astragalus aboriginorum var. richardsonii (Sheldon) B. Boivin -- not accepted
  Astragalus abyssinicus (Hochst.) Steud. ex A. Rich. -- not accepted
  Astragalus accidens S. Watson -- accepted -- Rogue River milkvetch
  Astragalus accidens var. accidens S. Watson -- accepted -- Rogue River milkvetch
  Astragalus accidens var. hendersonii M.E. Jones -- accepted -- Henderson's milkvetch
  Astragalus accumbens E. Sheld. -- accepted -- Zuni milkvetch
  Astragalus ackermanii Barneby -- accepted -- Ackerman's milkvetch
  Astragalus acutirostris S. Watson -- accepted -- sharpkeel milkvetch
  Astragalus adanus A. Nelson -- accepted -- Boise milkvetch
  Astragalus adsurgens Pall. -- accepted
  Astragalus adsurgens ssp. robustior (Hook.) S.L. Welsh -- not accepted
  Astragalus adsurgens ssp. viciifolius S.L. Welsh -- not accepted
  Astragalus adsurgens var. adsurgens Pall. -- accepted
  Astragalus adsurgens var. robustior Hook. -- not accepted -- prairie milkvetch
  Astragalus adsurgens var. tananaicus (Hultén) Barneby -- not accepted -- standing milkvetch
  Astragalus aduncus Willd. -- accepted
  Astragalus aequalis Clokey -- accepted -- Clokey's milkvetch
  Astragalus agnicidus Barneby -- accepted -- Humboldt County milkvetch, Humboldt milk-vetch
  Astragalus agninus Jeps. -- not accepted
  Astragalus agrestis Douglas ex G. Don -- accepted -- purple milkvetch, cock's-head, field milkvetch
  Astragalus albens Greene -- accepted -- Cushenbury milkvetch, Cushenbury milk-vetch
  Astragalus albifolius (M.E. Jones) Abrams -- not accepted
  Astragalus albulus Wooton & Standl. -- accepted -- cibola milkvetch
  Astragalus allochrous A. Gray -- accepted -- halfmoon milkvetch
  Astragalus allochrous var. allochrous A. Gray -- not accepted -- halfmoon milkvetch
  Astragalus allochrous var. playanus Isely -- not accepted -- halfmoon milkvetch, playanus locoweed, Wooton's loco, Wooton's milkvetch
  Astragalus alopecuroides L. -- accepted
  Astragalus alopecurus Pall. -- accepted
  Astragalus alpinus L. -- accepted -- alpine milkvetch
  Astragalus alpinus ssp. alaskanus Hultén -- not accepted
  Astragalus alpinus ssp. arcticus (Bunge) Hultén -- not accepted
  Astragalus alpinus var. alpiniformis (Rydb.) M. Peck -- not accepted
  Astragalus alpinus var. alpinus L. -- accepted -- alpine milkvetch
  Astragalus alpinus var. brunetianus Fernald -- accepted -- alpine milkvetch
  Astragalus alpinus var. labradoricus (DC.) Fernald -- not accepted
  Astragalus altus Wooton & Standl. -- accepted -- tall milkvetch
  Astragalus alvordensis M.E. Jones -- accepted -- Alvord milkvetch
  Astragalus amblyodon Kearney ex Rydb. -- not accepted
  Astragalus amblytropis Barneby -- accepted -- Challis milkvetch
  Astragalus americanus (Hook.) M.E. Jones -- accepted -- American milkvetch, American milk-vetch, astragale d'Amérique
  Astragalus amnis-amissi Barneby -- accepted -- Custer milkvetch, Lost River milkvetch
  Astragalus amphioxys A. Gray -- accepted -- Crescent milkvetch
  Astragalus amphioxys var. amphioxys A. Gray -- accepted -- Crescent milkvetch
  Astragalus amphioxys var. cymbellus M.E. Jones -- not accepted
  Astragalus amphioxys var. melanocalyx (Rydb.) Tidestr. -- not accepted
  Astragalus amphioxys var. modestus Barneby -- accepted -- Crescent milkvetch, modest milkvetch
  Astragalus amphioxys var. musimonum (Barneby) Barneby -- accepted -- Crescent milkvetch, Sheep Mountain milkvetch, Sheep Range milkvetch
  Astragalus amphioxys var. vespertinus (E. Sheld.) M.E. Jones -- accepted -- evening milkvetch, Aladdin's slippers
  Astragalus ampullarioides (S.L. Welsh) S.L. Welsh -- accepted -- Shivwits milk-vetch
  Astragalus ampullarius S. Watson -- accepted -- gumbo milk-vetch
  Astragalus andersonii A. Gray -- accepted -- Anderson's milkvetch
  Astragalus andersonii var. sepultipes Barneby -- not accepted
  Astragalus anemophilus Greene -- accepted
  Astragalus angustifolius Lam. -- accepted
  Astragalus anisus M.E. Jones -- accepted -- Gunnison milk-vetch
  Astragalus annularis Forssk. -- accepted
  Astragalus anserinus N.D. Atwood, Goodrich & S.L. Welsh -- accepted -- Goose Creek milkvetch
  Astragalus antisellii A. Gray ex W.H. Brewer & S. Watson -- not accepted
  Astragalus anxius Meinke & Kaye -- not accepted -- troubled milkvetch
  Astragalus applegatei M. Peck -- accepted -- Applegate's milkvetch, Applegate's milk-vetch
  Astragalus aquilonius (Barneby) Barneby -- accepted -- Lemhi milkvetch
  Astragalus araneosus E. Sheld. -- not accepted
  Astragalus arenarius L. -- accepted
  Astragalus aretioides (M.E. Jones) Barneby -- accepted -- cushion milkvetch
  Astragalus argophyllus Nutt. -- accepted -- silverleaf milkvetch, silver-leaf milkvetch
  Astragalus argophyllus var. alvis S.L. Welsh -- accepted -- streambed milkvetch
  Astragalus argophyllus var. argophyllus Nutt. -- accepted -- silverleaf milkvetch
  Astragalus argophyllus var. martinii M.E. Jones -- accepted -- silverleaf milkvetch, silver-leaf milkvetch
  Astragalus argophyllus var. panguicensis (M.E. Jones) M.E. Jones -- accepted -- silverleaf milkvetch
  Astragalus argophyllus var. pephragmenoides Barneby -- not accepted
  Astragalus argophyllus var. stocksii (S.L. Welsh) Barneby ex Isely -- not accepted -- silverleaf milkvetch
  Astragalus aridus A. Gray -- accepted -- annual desert milkvetch
  Astragalus arizonicus A. Gray -- accepted -- Arizona milkvetch, Arizona locoweed
  Astragalus arrectus A. Gray -- accepted -- Palouse milkvetch
  Astragalus arrectus var. kelseyi (Rydb.) M.E. Jones -- not accepted
  Astragalus arrectus var. leibergii (M.E. Jones) M.E. Jones -- not accepted
  Astragalus arrectus var. pephragmenus (M.E. Jones) M.E. Jones -- not accepted
  Astragalus arthu-schottii A. Gray -- not accepted
  Astragalus arthurii M.E. Jones -- accepted -- waha milkvetch
  Astragalus asclepiadoides M.E. Jones -- accepted -- milkweed milkvetch
  Astragalus asotinensis Björk & Fishbein -- accepted -- Asotin milkvetch
  Astragalus asper Jacq. -- accepted
  Astragalus astragalinus (Hook.) Á. Löve & D. Löve -- not accepted
  Astragalus asymmetricus E. Sheld. -- accepted -- San Joaquin milkvetch
  Astragalus atratus S. Watson -- accepted -- mourning milkvetch
  Astragalus atratus var. atratus S. Watson -- accepted -- mourning milkvetch
  Astragalus atratus var. inseptus Barneby -- accepted -- Fairfield milkvetch
  Astragalus atratus var. mensanus M.E. Jones -- accepted -- mourning milkvetch
  Astragalus atratus var. owyheensis (A. Nelson & J.F. Macbr.) M.E. Jones -- accepted -- Owyhee milkvetch
  Astragalus atropilosulus (Hochst.) Bunge -- accepted
  Astragalus atropilosulus ssp. abyssinicus (Hochst.) J.B. Gillett -- accepted
  Astragalus atropubescens J.M. Coult. & Fisher -- accepted -- hangingpod milkvetch
  Astragalus atwoodii S.L. Welsh & K.H. Thorne -- accepted -- Duane's milkvetch, Atwood's milkvetch
  Astragalus austiniae A. Gray ex W.H. Brewer & S. Watson -- accepted -- Austin's milkvetch
  Astragalus australis (L.) Lam. -- accepted -- Indian milkvetch, Indian milk-vetch
  Astragalus australis var. aboriginorum (Richardson) S.L. Welsh -- not accepted
  Astragalus australis var. cottonii (M.E. Jones) S.L. Welsh -- accepted -- Cotton's milkvetch
  Astragalus australis var. glabriusculus (Hook.) Isely -- accepted -- aboriginal milkvetch
  Astragalus australis var. lepagei (Hultén) S.L. Welsh -- accepted -- Lepage's milkvetch
  Astragalus australis var. major (A. Gray) Isely -- not accepted
  Astragalus australis var. muriei (Hultén) S.L. Welsh -- accepted -- Yukon milkvetch
  Astragalus australis var. olympicus Isely -- not accepted
  Astragalus austriacus Jacq. -- accepted
  Astragalus austrinus (Small) E.D. Schulz -- not accepted
  Astragalus barnebyi S.L. Welsh & N.D. Atwood -- accepted -- Barneby milk-vetch, Barneby's milkvetch
  Astragalus barrii Barneby -- accepted -- Barr's milkvetch
  Astragalus beathii Ced. Porter -- accepted -- Beath's milkvetch, Beath milk-vetch
  Astragalus beatleyae Barneby -- accepted -- Beatley's milkvetch, Beatley milk-vetch
  Astragalus beckwithii Torr. & A. Gray -- accepted -- Beckwith's milkvetch
  Astragalus beckwithii var. beckwithii Torr. & A. Gray -- accepted -- Beckwith's milkvetch
  Astragalus beckwithii var. purpureus M.E. Jones -- accepted -- Beckwith's milkvetch, sagebrush milkvetch
  Astragalus beckwithii var. sulcatus Barneby -- accepted -- Beckwith's milkvetch, grooved milkvetch
  Astragalus beckwithii var. weiserensis M.E. Jones -- accepted -- Weiser's milkvetch
  Astragalus bernardinus M.E. Jones -- accepted -- San Bernardino milkvetch, lesser threekeel milkvetch
  Astragalus bibullatus Barneby & E.L. Bridges -- accepted -- limestone glade milkvetch, Guthrie's ground-plum, Pyne's ground-plum
  Astragalus bicristatus A. Gray -- accepted -- twocrested milkvetch
  Astragalus bigelovii A. Gray -- not accepted
  Astragalus bigelovii var. marcidus (Greene ex Rydb.) Isely -- not accepted
  Astragalus bigelovii var. matthewsii (S. Watson) M.E. Jones -- not accepted
  Astragalus bigelovii var. mogollonicus (Greene) Barneby -- not accepted
  Astragalus bigelovii var. thompsoniae (S. Watson) M.E. Jones -- not accepted
  Astragalus bigelovii var. typicus Barneby -- not accepted
  Astragalus bisulcatus (Hook.) A. Gray -- accepted -- twogrooved milkvetch, two-groove milkvetch
  Astragalus bisulcatus ssp. haydenianus (A. Gray) W.A. Weber -- not accepted
  Astragalus bisulcatus var. bisulcatus (Hook.) A. Gray -- accepted -- twogrooved milkvetch, two-groove milk-vetch
  Astragalus bisulcatus var. haydenianus (A. Gray) Barneby -- accepted -- Hayden's milkvetch, Hayden milkvetch
  Astragalus bisulcatus var. major (M.E. Jones) S.L. Welsh -- accepted -- twogrooved milkvetch
  Astragalus bisulcatus var. nevadensis (M.E. Jones) Barneby -- accepted -- Nevada milkvetch
  Astragalus blakei Eggl. -- not accepted
  Astragalus blyae (Rose ex Rydb.) Tidestr. -- not accepted
  Astragalus bodinii E. Sheld. -- accepted -- Bodin's milkvetch
  Astragalus bodinii var. yukonis (M.E. Jones) B. Boivin -- not accepted
  Astragalus boeticus L. -- accepted
  Astragalus bolanderi A. Gray -- accepted -- Bolander's milkvetch
  Astragalus bourgaeanus Coss. -- accepted
  Astragalus bourgovii A. Gray -- accepted -- Bourgov's milkvetch
  Astragalus brachycarpus M. Bieb. -- accepted
  Astragalus brandegeei Porter -- accepted -- Brandegee's milkvetch
  Astragalus brauntonii Parish -- accepted -- Braunton's milkvetch, Braunton's milk-vetch
  Astragalus brazoensis Buckley -- accepted -- Brazos milkvetch
  Astragalus brevidens (Gand.) Rydb. -- not accepted
  Astragalus breweri A. Gray -- accepted -- Brewer's milkvetch
  Astragalus bruceae (M.E. Jones) Abrams -- not accepted
  Astragalus bryantii Barneby -- not accepted
  Astragalus bryogenes Barneby -- accepted
  Astragalus bungeanus Boiss. -- accepted
  Astragalus caespitosus (Nutt.) A. Gray -- not accepted
  Astragalus californicus (A. Gray) Greene -- accepted -- Klamath Basin milkvetch
  Astragalus callithrix Barneby -- accepted -- Calloway milk-vetch, Callaway's milkvetch
  Astragalus calycinus M. Bieb. -- accepted
  Astragalus calycosus Torr. ex S. Watson -- accepted -- Torrey's milkvetch, matted poison milkvetch, mattedmilkvetch
  Astragalus calycosus var. calycosus Torr. ex S. Watson -- accepted -- Torrey's milkvetch, Torrey milkvetch
  Astragalus calycosus var. mancus (Rydb.) Barneby -- accepted -- defective milkvetch
  Astragalus calycosus var. monophyllidius (Rydb.) Barneby -- accepted -- Torrey's milkvetch, one-leaf milkvetch
  Astragalus calycosus var. scaposus (A. Gray) M.E. Jones -- accepted -- Torrey's milkvetch, scapose milkvetch, Torrey milkvetch
  Astragalus camptopus Barneby -- accepted -- Bruneau milkvetch
  Astragalus campylorrhynchus Fisch. & C.A. Mey. -- accepted
  Astragalus canadensis L. -- accepted -- Canadian milkvetch, Canada milkvetch, Canadian milk-vetch
  Astragalus canadensis var. brevidens (Gandog.) Barneby -- accepted -- shorttooth Canadian milkvetch
  Astragalus canadensis var. canadensis L. -- accepted -- Canadian milkvetch, Canadian milk-vetch
  Astragalus canadensis var. carolinianus (L.) M.E. Jones -- not accepted
  Astragalus canadensis var. longilobus Fassett -- not accepted
  Astragalus canadensis var. mortonii (Nutt.) S. Watson -- accepted -- Morton's Canadian milkvetch
  Astragalus candelarius E. Sheld. -- not accepted
  Astragalus canovirens (Rydb.) Barneby -- not accepted
  Astragalus captiosus Boriss. -- accepted
  Astragalus caraganae Fisch. & C.A. Mey. -- accepted
  Astragalus caricinus (M.E. Jones) Barneby -- accepted -- buckwheat milkvetch
  Astragalus carminis Barneby -- accepted
  Astragalus carolinianus L. -- not accepted
  Astragalus caryocarpus Ker Gawl. -- not accepted
  Astragalus casei A. Gray -- accepted -- Case's milkvetch
  Astragalus castaneiformis S. Watson -- accepted -- chestnut milkvetch, chestnut milk-vetch
  Astragalus castaneiformis var. consobrinus Barneby -- not accepted
  Astragalus castaneiformis var. typicus Barneby -- not accepted
  Astragalus castetteri Barneby -- accepted -- Castetter's milkvetch, Castetter milk-vetch
  Astragalus catalinensis Nutt. -- not accepted
  Astragalus centralpinus Braun-Blanq. -- accepted
  Astragalus ceramicus E. Sheld. -- accepted -- painted milkvetch, painted milk-vetch
  Astragalus ceramicus var. apus Barneby -- accepted -- painted milkvetch
  Astragalus ceramicus var. ceramicus E. Sheld. -- accepted -- painted milkvetch
  Astragalus ceramicus var. filifolius (A. Gray) F.J. Herm. -- accepted -- painted milkvetch, painted milk-vetch
  Astragalus cerussatus E. Sheld. -- accepted -- powdery milkvetch
  Astragalus chaborasicus Boiss. & Hausskn. -- accepted
  Astragalus chamaeleuce A. Gray -- accepted -- cicada milkvetch
  Astragalus chamaeleuce var. chamaeleuce A. Gray -- not accepted -- cicada milkvetch
  Astragalus chamaeleuce var. laccoliticus (M.E. Jones) Barneby ex Isely -- not accepted -- cicada milkvetch
  Astragalus chamaemeniscus Barneby -- accepted -- ground-crescent milkvetch
  Astragalus chinensis L. f. -- accepted -- Chinese milkvetch
  Astragalus chloodes Barneby -- accepted -- grass milk-vetch
  Astragalus chuckwallae Abrams -- not accepted
  Astragalus chuskanus Barneby & Spellenb. -- accepted -- San Juan milkvetch
  Astragalus chuskanus var. chuskanus Barneby & Spellenb. -- accepted -- San Juan milkvetch
  Astragalus chuskanus var. spellenbergii S.L. Welsh & N.D. Atwood -- accepted -- San Juan milkvetch
  Astragalus cibarius E. Sheld. -- accepted -- browse milkvetch
  Astragalus cicer L. -- accepted -- chickpea milkvetch, cicer milkvetch
  Astragalus cimae M.E. Jones -- accepted -- cima milkvetch
  Astragalus cimae var. cimae M.E. Jones -- accepted -- Cima rattleweed, cima milkvetch
  Astragalus cimae var. sufflatus Barneby -- accepted -- cima milkvetch
  Astragalus cinerascens (Rydb.) Tidestr. -- not accepted
  Astragalus claranus Jeps. -- not accepted -- Napa milkvetch, Clara Hunt's milk-vetch
  Astragalus clarianus Jeps. -- accepted -- Napa milkvetch, Clara Hunt's milk-vetch
  Astragalus clevelandii Greene -- accepted -- Cleveland's milkvetch
  Astragalus cliffordii S.L. Welsh & N.D. Atwood -- accepted -- Clifford's milkvetch
  Astragalus cobrensis A. Gray -- accepted -- copper mine milkvetch
  Astragalus cobrensis var. cobrensis A. Gray -- accepted -- copper mine milkvetch
  Astragalus cobrensis var. maguirei Kearney -- accepted -- coppermine milk-vetch, Maguire's milkvetch
  Astragalus coccineus Brandegee -- accepted -- scarlet milkvetch
  Astragalus collieri (Rydb.) A.E. Porsild -- not accepted
  Astragalus collinus (Hook.) Douglas ex G. Don -- accepted -- hillside milkvetch
  Astragalus collinus var. collinus (Hook.) Douglas ex G. Don -- accepted -- hillside milkvetch
  Astragalus collinus var. laurentii (Rydb.) Barneby -- accepted -- Laurent's milkvetch
  Astragalus coltonii M.E. Jones -- accepted -- Colton's milkvetch
  Astragalus coltonii var. coltonii M.E. Jones -- accepted -- Colton's milkvetch
  Astragalus coltonii var. moabensis M.E. Jones -- accepted -- Moab milkvetch, Colton's milkvetch
  Astragalus columbianus Barneby -- accepted -- Columbian milkvetch, Columbia milk-vetch
  Astragalus coluteocarpus Boiss. -- accepted
  Astragalus commixtus Bunge -- accepted
  Astragalus concordius S.L. Welsh -- accepted -- hairy-pod milkvetch
  Astragalus confertiflorus A. Gray -- not accepted
  Astragalus confertiflorus var. confertiflorus A. Gray -- not accepted
  Astragalus confertiflorus var. flaviflorus (Kuntze) M.E. Jones -- not accepted
  Astragalus congdonii S. Watson -- accepted -- Congdon's milkvetch
  Astragalus conjunctus S. Watson -- accepted -- Idaho milkvetch
  Astragalus conjunctus var. conjunctus S. Watson -- accepted -- Idaho milkvetch
  Astragalus conjunctus var. oxytropidoides M.E. Jones -- not accepted
  Astragalus conjunctus var. rickardii S.L. Welsh, K.A. Beck & F. Caplow -- accepted -- Idaho milkvetch
  Astragalus conjunctus var. sheldonii (Rydb.) M. Peck -- not accepted
  Astragalus consobrinus (Barneby) S.L. Welsh -- accepted -- Bicknell's milkvetch
  Astragalus contortuplicatus L. -- accepted -- Hungarian milkvetch
  Astragalus convallarius Greene -- accepted -- lesser rushy milkvetch, timber milkvetch
  Astragalus convallarius var. convallarius Greene -- accepted -- lesser rushy milkvetch, timber milkvetch
  Astragalus convallarius var. finitimus Barneby -- accepted -- lesser rushy milkvetch, timber milkvetch
  Astragalus convallarius var. foliolatus Barneby -- not accepted
  Astragalus convallarius var. margaretiae Barneby -- accepted -- lesser rushy milkvetch, timber milkvetch
  Astragalus convallarius var. scopulorum Barneby -- accepted -- lesser rushy milkvetch
  Astragalus convallarius var. xiphoides Barneby -- not accepted
  Astragalus coodei D.F. Chamb. & V.A. Matthews -- accepted
  Astragalus cooperi A. Gray -- not accepted
  Astragalus cornutus Pall. -- accepted
  Astragalus corrugatus Bertol. -- not accepted
  Astragalus cottamii S.L. Welsh -- accepted -- Cottam's milkvetch, Cottam milk-vetch
  Astragalus cottonii M.E. Jones -- not accepted -- Cotton's milkvetch
  Astragalus coulteri Benth. -- not accepted
  Astragalus crassicarpus Nutt. -- accepted -- groundplum milkvetch, ground-plum
  Astragalus crassicarpus var. berlandieri Barneby -- accepted -- groundplum milkvetch, Berlandier's groundplum
  Astragalus crassicarpus var. cavus Barneby -- accepted -- groundplum milkvetch, hollow groundplum
  Astragalus crassicarpus var. crassicarpus Nutt. -- accepted -- groundplum milkvetch, ground-plum
  Astragalus crassicarpus var. paysonii (E.H. Kelso) Barneby -- accepted -- groundplum milkvetch, mountain groundplum, Payson's milkvetch
  Astragalus crassicarpus var. trichocalyx (Nutt. ex Torr. & A. Gray) Barneby ex Gleason -- accepted -- groundplum milkvetch, Ozark groundplum
  Astragalus cremnophylax Barneby -- accepted -- sentry milkvetch, sentry milk-vetch
  Astragalus cremnophylax var. cremnophylax Barneby -- accepted -- sentry milk-vetch
  Astragalus cremnophylax var. hevronii Barneby -- accepted -- sentry milkvetch
  Astragalus cremnophylax var. myriorrhaphis Barneby -- accepted -- cliff milk-vetch, sentry milkvetch
  Astragalus crenatus Schult. -- accepted
  Astragalus cronquistii Barneby -- accepted -- Cronquist's milkvetch, Cronquist milk-vetch
  Astragalus crotalariae (Benth.) A. Gray -- accepted -- Salton milkvetch, rattlebox milkvetch
  Astragalus crotalariae var. davidsonii (Rydb.) Munz & McBurney -- not accepted
  Astragalus curtipes A. Gray -- accepted -- Morro milkvetch
  Astragalus curvicarpus (A. Heller) J.F. Macbr. -- accepted -- curvepod milkvetch
  Astragalus curvicarpus var. brachycodon (Barneby) Barneby -- accepted -- curvepod milkvetch
  Astragalus curvicarpus var. curvicarpus (A. Heller) J.F. Macbr. -- accepted -- curvepod milkvetch
  Astragalus curvicarpus var. subglaber (Rydb.) Barneby -- accepted -- smooth loco milkvetch
  Astragalus cusickii A. Gray -- accepted -- Cusick's milkvetch
  Astragalus cusickii var. cusickii A. Gray -- accepted -- Cusick's milkvetch
  Astragalus cusickii var. flexilipes Barneby -- accepted -- Cusick's milkvetch
  Astragalus cusickii var. packardiae Barneby -- not accepted -- Packard's milkvetch
  Astragalus cusickii var. sterilis (Barneby) Barneby -- not accepted -- barren milkvetch
  Astragalus cutleri (Barneby) S.L. Welsh -- accepted -- Cutler's milkvetch
  Astragalus cyaneus A. Gray -- accepted -- cyanic milkvetch
  Astragalus cymbicarpos Brot. -- accepted
  Astragalus cymboides M.E. Jones -- accepted -- canoe milkvetch
  Astragalus danicus Retz. -- accepted
  Astragalus danicus var. dasyglottis (Fisch. ex DC.) B. Boivin -- not accepted
  Astragalus dasyanthus Pall. -- accepted
  Astragalus dasyglottis Fisch. ex DC. -- not accepted
  Astragalus datilensis (Rydb.) Tidestr. -- not accepted
  Astragalus deanei (Rydb.) Barneby -- accepted -- Deane's milk-vetch
  Astragalus debequaeus S.L. Welsh -- accepted -- DeBeque milkvetch
  Astragalus decumbens (Nutt. ex Torr. & A. Gray) A. Gray -- not accepted
  Astragalus decumbens var. crispatus (M.E. Jones) Cronquist & Barneby -- not accepted
  Astragalus decumbens var. oblongifolius (Rydb.) Cronquist -- not accepted
  Astragalus decumbens var. serotinus (A. Gray ex Cooper) M.E. Jones -- not accepted
  Astragalus demetrii Kharadze -- accepted
  Astragalus depressus L. -- accepted
  Astragalus desereticus Barneby -- accepted -- Deseret milk-vetch
  Astragalus desperatus M.E. Jones -- accepted -- rimrock milkvetch
  Astragalus desperatus var. conspectus Barneby -- not accepted -- rimrock milkvetch
  Astragalus desperatus var. desperatus M.E. Jones -- accepted -- rimrock milkvetch
  Astragalus desperatus var. neeseae Barneby -- not accepted -- Elizabeth's milkvetch
  Astragalus desperatus var. petrophilus M.E. Jones -- accepted -- rimrock milkvetch
  Astragalus deterior (Barneby) Barneby -- accepted -- Cliff Palace milkvetch, cliff-palace milk-vetch
  Astragalus detritalis M.E. Jones -- accepted -- debris milk-vetch
  Astragalus diaphanus Douglas ex Hook. -- accepted -- transparent milkvetch
  Astragalus diaphanus var. diurnus (S. Watson) Barneby ex M. Peck -- not accepted
  Astragalus didymocarpus Hook. & Arn. -- accepted -- dwarf white milkvetch
  Astragalus didymocarpus var. daleoides Barneby -- not accepted
  Astragalus didymocarpus var. didymocarpus Hook. & Arn. -- accepted -- dwarf white milkvetch
  Astragalus didymocarpus var. dispermus (A. Gray) Jeps. -- accepted -- dwarf white milkvetch, Wickenburg milkvetch
  Astragalus didymocarpus var. milesianus (Rydb.) Jeps. -- accepted -- dwarf white milkvetch, Miles milkvetch
  Astragalus didymocarpus var. obispensis (Rydb.) Jeps. -- accepted -- San Obispo milkvetch
  Astragalus diholcos Tidestr. -- not accepted
  Astragalus diphysus A. Gray -- not accepted
  Astragalus dispermus A. Gray -- not accepted
  Astragalus distortus Torr. & A. Gray -- accepted -- Ozark milkvetch, bentpod milkvetch
  Astragalus distortus var. distortus Torr. & A. Gray -- accepted -- Ozark milkvetch
  Astragalus distortus var. engelmannii (Sheldon) M.E. Jones -- accepted -- Englemann's milkvetch
  Astragalus diurnus S. Watson -- not accepted
  Astragalus diversifolius A. Gray -- accepted -- meadow milkvetch, locoweed
  Astragalus diversifolius var. campestris (Nutt.) Dorn -- not accepted
  Astragalus douglasii (Torr. & A. Gray) A. Gray -- accepted -- Douglas' milkvetch, Jacumba milkvetch
  Astragalus douglasii var. douglasii (Torr. & A. Gray) A. Gray -- accepted -- Douglas's milkvetch, Jacumba milkvetch
  Astragalus douglasii var. megalophysus (Rydb.) Munz & McBurney -- not accepted
  Astragalus douglasii var. parishii (A. Gray) M.E. Jones -- accepted -- Parish's milkvetch
  Astragalus douglasii var. perstrictus (Rydb.) Munz & McBurney -- accepted -- Jacumba milk-vetch, campo milkvetch
  Astragalus drabelliformis Barneby -- accepted -- bastard draba milkvetch
  Astragalus drepanolobus A. Gray -- not accepted
  Astragalus drummondii Douglas ex Hook. -- accepted -- Drummond's milkvetch, Drummond milkvetch, Drummond's milk-vetch
  Astragalus duchesnensis M.E. Jones -- accepted -- Duchesne milk-vetch
  Astragalus earlei Greene ex Rydb. -- not accepted
  Astragalus eastwoodiae M.E. Jones -- accepted -- Eastwood's milkvetch
  Astragalus echinatus Murray -- accepted
  Astragalus edulis Durieu ex Bunge -- accepted -- milkvetch
  Astragalus egglestonii (Rydb.) Kearney & Peebles -- accepted -- Eggleston's milkvetch
  Astragalus elatiocarpus E. Sheld. -- not accepted
  Astragalus emoryanus (Rydb.) Cory -- accepted -- Emory's milkvetch
  Astragalus emoryanus var. emoryanus (Rydb.) Cory -- accepted -- Emory's milkvetch
  Astragalus emoryanus var. terlinguensis (Cory) Barneby -- accepted -- Emory's milkvetch
  Astragalus endopterus (Barneby) Barneby -- accepted -- sandbar milkvetch, sandbar milk-vetch
  Astragalus engelmanni E. Sheld. -- not accepted
  Astragalus engelmannii E. Sheld. -- not accepted
  Astragalus ensiformis M.E. Jones -- accepted -- pagumpa milkvetch
  Astragalus ensiformis var. ensiformis M.E. Jones -- not accepted -- pagumpa milkvetch
  Astragalus ensiformis var. gracilior Barneby -- not accepted -- pagumpa milkvetch
  Astragalus epiglottis L. -- accepted
  Astragalus episcopus S. Watson -- accepted -- bishop's milkvetch
  Astragalus episcopus var. episcopus S. Watson -- not accepted -- bishop's milkvetch, Bishop milkvetch
  Astragalus episcopus var. lancearius (A. Gray) Isely -- not accepted -- bishop's milkvetch, Bishop milkvetch
  Astragalus equisolensis Neese & S.L. Welsh -- accepted -- Elizabeth's milkvetch, horseshoe milk-vetch
  Astragalus eremiticus E. Sheld. -- accepted -- hermit milkvetch
  Astragalus eremiticus var. ampullarioides S.L. Welsh -- not accepted
  Astragalus eremiticus var. eremiticus E. Sheld. -- accepted -- hermit milkvetch
  Astragalus eremiticus var. malheurensis (A. Heller) Barneby -- not accepted
  Astragalus eremiticus var. spencianus M.E. Jones -- accepted -- Spence milkvetch
  Astragalus ertterae Barneby & Shevock -- accepted -- Walker Pass milkvetch, Ertter's milk-vetch
  Astragalus eucosmus B.L. Rob. -- accepted -- elegant milkvetch
  Astragalus eucosmus ssp. sealei (Lepage) Hultén -- not accepted
  Astragalus eucosmus var. facinorum Fernald -- not accepted
  Astragalus eucosmus var. fernaldii (Rydb.) B. Boivin -- not accepted
  Astragalus eurekensis M.E. Jones -- accepted -- Eureka milkvetch
  Astragalus eurylobus (Barneby) Barneby -- accepted -- Needle Mountain milkvetch
  Astragalus falcatus Lam. -- accepted -- Russian milkvetch
  Astragalus famelicus E. Sheld. -- not accepted
  Astragalus feensis M.E. Jones -- accepted -- Santa Fe milkvetch
  Astragalus fernaldii (Rydb.) H.F. Lewis -- not accepted
  Astragalus filipes Torr. ex A. Gray -- accepted -- basalt milkvetch, threadstalk milkvetch
  Astragalus filipes var. residuus Jeps. -- not accepted
  Astragalus flavus Nutt. ex Torr. & A. Gray -- accepted -- yellow milkvetch
  Astragalus flavus var. argillosus (M.E. Jones) Barneby -- accepted -- clay milkvetch
  Astragalus flavus var. candicans A. Gray -- not accepted
  Astragalus flavus var. flavus Nutt. -- accepted -- yellow milkvetch
  Astragalus flavus var. higginsii S.L. Welsh -- accepted -- Larry's stinking milkvetch
  Astragalus flexuosus Douglas ex G. Don -- accepted -- flexile milkvetch, pliant milk-vetch, pliant milkvetch
  Astragalus flexuosus var. diehlii (M.E. Jones) Barneby -- accepted -- Diehl's milkvetch, Diehl milkvetch
  Astragalus flexuosus var. elongatus (Hook.) M.E. Jones -- not accepted
  Astragalus flexuosus var. flexuosus Douglas ex G. Don -- accepted -- flexile milkvetch, pliant milk-vetch
  Astragalus flexuosus var. greenei (A. Gray) Barneby -- accepted -- Greene's milkvetch, Greene milkvetch
  Astragalus flexuosus var. sierrae-blancae (Rydb.) Barneby -- not accepted
  Astragalus forwoodii S. Watson -- not accepted
  Astragalus forwoodii var. forwoodii S. Watson -- not accepted
  Astragalus forwoodii var. wallowensis (Rydb.) M. Peck -- not accepted
  Astragalus fraxinifolius DC. -- accepted
  Astragalus fremontii A. Gray ex Torr. -- not accepted
  Astragalus fremontii ssp. eremicus (E. Sheld.) Abrams -- not accepted
  Astragalus frigidus (L.) A. Gray -- accepted
  Astragalus frigidus var. americanus (Hook.) S. Watson -- not accepted
  Astragalus frigidus var. gaspensis (J. Rousseau) Fernald -- not accepted
  Astragalus fucatus Barneby -- accepted -- Hopi milkvetch
  Astragalus funereus M.E. Jones -- accepted -- Funeral Mountain milkvetch, black woollypod, black wooly-pod
  Astragalus galegiformis L. -- accepted
  Astragalus gambelianus E. Sheld. -- accepted -- Gambel's dwarf milkvetch
  Astragalus gambelianus ssp. elmeri (Greene) Abrams -- not accepted
  Astragalus gaviotus Elmer -- not accepted
  Astragalus geyeri A. Gray -- accepted -- Geyer's milkvetch
  Astragalus geyeri var. geyeri A. Gray -- accepted -- Geyer's milkvetch
  Astragalus geyeri var. triquetrus (A. Gray) M.E. Jones -- accepted -- Geyer's milkvetch, Muddy River milkvetch, Geyer milkvetch, threecorner milkvetch
  Astragalus gibbsii Kellogg -- accepted -- Gibbs' milkvetch
  Astragalus giganteus S. Watson -- accepted -- giant milkvetch, giant loco
  Astragalus gilensis Greene -- accepted -- Gila milkvetch
  Astragalus gilmanii Tidestr. -- accepted -- Gilman's milkvetch
  Astragalus gilviflorus E. Sheld. -- accepted -- plains milkvetch, plains milk-vetch
  Astragalus gilviflorus var. gilviflorus E. Sheld. -- accepted -- plains milkvetch
  Astragalus gilviflorus var. purpureus Dorn -- accepted -- plains milkvetch
  Astragalus glabriusculus var. major A. Gray -- not accepted
  Astragalus glareosus Douglas ex Hook. -- not accepted
  Astragalus glaux L. -- accepted
  Astragalus globiceps Bunge -- accepted
  Astragalus glycyphylloides DC. -- accepted
  Astragalus glycyphyllos L. -- accepted -- licorice milkvetch
  Astragalus goniatus Nutt. ex Torr. & A. Gray -- not accepted
  Astragalus gracilis Nutt. -- accepted -- slender milkvetch, milkvetch
  Astragalus grayi Parry ex S. Watson -- accepted -- Gray's milkvetch
  Astragalus greenei A. Gray -- not accepted
  Astragalus gummifer Labill. -- accepted -- gum tragacanth milkvetch
  Astragalus gypsodes Barneby -- accepted -- gypsum milk-vetch
  Astragalus halei Rydb. -- not accepted
  Astragalus hallii A. Gray -- accepted -- Hall's milkvetch, Hall milkvetch
  Astragalus hallii var. fallax (M.E. Jones) Barneby -- accepted -- Hall's milkvetch
  Astragalus hallii var. hallii A. Gray -- accepted -- Hall's milkvetch, Hall milkvetch
  Astragalus hamiltonii Ced. Porter -- accepted -- Hamilton's milkvetch, Hamilton milkvetch
  Astragalus hamosus L. -- accepted -- European milkvetch, milkvetch
  Astragalus harringtonii (Rydb.) Coville & Standl. ex Hultén -- not accepted
  Astragalus harrisonii Barneby -- accepted -- Harrison's milkvetch, Harrison milk-vetch
  Astragalus hartwegii Benth. -- accepted -- Hartweg's milkvetch
  Astragalus harwoodii (Munz & McBurney) Abrams -- not accepted
  Astragalus haydenianus A. Gray -- not accepted
  Astragalus haydenianus var. major M.E. Jones -- not accepted
  Astragalus heilii S.L. Welsh & N.D. Atwood -- accepted -- Heil's milkvetch
  Astragalus henrimontanensis S.L. Welsh -- accepted -- Dana's milkvetch
  Astragalus holmgreniorum Barneby -- accepted -- Paradox milkvetch, Holmgren milk-vetch
  Astragalus hoodianus Howell -- accepted -- Hood River milkvetch
  Astragalus hornii A. Gray -- accepted -- Horn's milkvetch
  Astragalus howellii A. Gray -- accepted -- Howell's milkvetch
  Astragalus howellii var. aberrans (M.E. Jones) C.L. Hitchc. -- not accepted
  Astragalus howellii var. pauper (Barneby) Isely -- not accepted
  Astragalus humillimus A. Gray -- accepted -- Mancos milkvetch, Mancos milk-vetch
  Astragalus humistratus A. Gray -- accepted -- groundcover milkvetch, ground-cover milkvetch
  Astragalus humistratus var. crispulus Barneby -- accepted -- groundcover milkvetch, ground-cover milkvetch
  Astragalus humistratus var. hosackiae (Greene) M.E. Jones -- accepted -- groundcover milkvetch
  Astragalus humistratus var. humistratus A. Gray -- accepted -- groundcover milkvetch
  Astragalus humistratus var. humivagans (Rydb.) Barneby -- accepted -- groundcover milkvetch
  Astragalus humistratus var. sonorae (A. Gray) M.E. Jones -- accepted -- groundcover milkvetch
  Astragalus humistratus var. tenerrimus M.E. Jones -- accepted -- groundcover milkvetch
  Astragalus hyalinus M.E. Jones -- accepted -- summer milkvetch, summer milk-vetch
  Astragalus hypoglottis Hook. -- not accepted
  Astragalus hypoxylus S. Watson -- accepted -- Huachuca Mountain milkvetch, Huachuca milk-vetch
  Astragalus idriensis (M.E. Jones) Abrams -- not accepted
  Astragalus impensis (E. Sheld.) Wooton & Standl. -- not accepted
  Astragalus incanus L. -- accepted
  Astragalus incanus ssp. macrorhizus (Cav.) Chater -- accepted
  Astragalus incurvus (Rydb.) Abrams -- not accepted
  Astragalus ineptus A. Gray -- not accepted
  Astragalus inflatus DC. -- accepted
  Astragalus inflexus Douglas ex Hook. -- accepted -- bent milkvetch
  Astragalus insularis Kellogg -- accepted -- Cedros milkvetch
  Astragalus insularis var. harwoodii Munz & McBurney -- accepted -- Harwood's milkvetch, Harwood milkvetch
  Astragalus insularis var. insularis Kellogg -- accepted -- Cedros milkvetch
  Astragalus interpositus Boriss. -- not accepted
  Astragalus inversus M.E. Jones -- accepted -- Susanville milkvetch
  Astragalus inyoensis E. Sheld. -- accepted -- Inyo milkvetch
  Astragalus iodanthus S. Watson -- accepted -- Humboldt River milkvetch
  Astragalus iodanthus var. diaphanoides Barneby -- accepted -- snake milkvetch
  Astragalus iodanthus var. iodanthus S. Watson -- accepted -- Humboldt River milkvetch
  Astragalus iodanthus var. pseudiodanthus (Barneby) Isely -- not accepted
  Astragalus iodanthus var. vipereus Barneby -- not accepted
  Astragalus iodopetalus (Rydb.) Barneby -- accepted -- violet milkvetch
  Astragalus iselyi S.L. Welsh -- accepted -- Isely's milkvetch, Isely milkvetch
  Astragalus jaegerianus Munz -- accepted -- Lane Mountain milkvetch, Lane Mountain milk-vetch
  Astragalus jejunus S. Watson -- accepted -- starveling milkvetch
  Astragalus jejunus var. articulatus Dorn -- not accepted -- starveling milkvetch
  Astragalus jejunus var. jejunus S. Watson -- not accepted -- starveling milkvetch
  Astragalus jessiae M. Peck -- not accepted
  Astragalus jesupii (Eggl. & E. Sheld.) Britton -- not accepted
  Astragalus johannis-howellii Barneby -- accepted -- Long Valley milkvetch
  Astragalus jonesii Abrams -- not accepted
  Astragalus junciformis A. Nelson -- not accepted
  Astragalus kaibensis M.E. Jones -- not accepted
  Astragalus kentrophyta A. Gray -- accepted -- spiny milkvetch, spiny milk-vetch
  Astragalus kentrophyta ssp. coloradoensis (M.E. Jones) W.A. Weber -- not accepted
  Astragalus kentrophyta ssp. danaus (Barneby) W.A. Weber -- not accepted
  Astragalus kentrophyta ssp. douglasii (Barneby) W.A. Weber -- not accepted
  Astragalus kentrophyta ssp. elatus (S. Watson) W.A. Weber -- not accepted
  Astragalus kentrophyta ssp. implexus (Canby ex Porter & J.M. Coult.) W.A. Weber -- not accepted
  Astragalus kentrophyta ssp. jessiae (M. Peck) W.A. Weber -- not accepted
  Astragalus kentrophyta ssp. neomexicanus (Barneby) W.A. Weber -- not accepted
  Astragalus kentrophyta ssp. ungulatus (M.E. Jones) W.A. Weber -- not accepted
  Astragalus kentrophyta var. coloradoensis M.E. Jones -- accepted -- Colorado spiny milkvetch, spiny milkvetch
  Astragalus kentrophyta var. danaus (Barneby) Barneby -- accepted -- spiny milkvetch
  Astragalus kentrophyta var. douglasii Barneby -- accepted -- Douglas' spiny milkvetch, Douglas' thistle milk-vetch
  Astragalus kentrophyta var. elatus S. Watson -- accepted -- tall spiny milkvetch
  Astragalus kentrophyta var. implexus (Canby ex Porter & J.M. Coult.) Barneby -- not accepted
  Astragalus kentrophyta var. jessiae (M. Peck) Barneby -- accepted -- spiny milkvetch
  Astragalus kentrophyta var. kentrophyta A. Gray -- accepted -- spiny milkvetch, spiny milk-vetch
  Astragalus kentrophyta var. neomexicanus (Barneby) Barneby -- accepted -- New Mexico spiny milkvetch
  Astragalus kentrophyta var. tegetarius (S. Watson) M.E. Jones -- accepted -- mat milkvetch
  Astragalus kentrophyta var. ungulatus M.E. Jones -- accepted -- spiny milkvetch
  Astragalus kerrii P.J. Knight & Cully -- accepted -- Kerr's milk-vetch
  Astragalus knightii Barneby -- accepted -- Knight's milkvetch
  Astragalus kotschyanus Boiss. -- not accepted
  Astragalus laccoliticus (M.E. Jones) S.L. Welsh -- accepted -- laccolite milkvetch
  Astragalus lackschewitzii Lavin & H. Marriott -- not accepted -- Lackschewitz's milkvetch
  Astragalus lagopinus (Rydb.) M. Peck -- not accepted
  Astragalus lancearius A. Gray -- accepted -- bishop's milkvetch
  Astragalus lasioglottis Steven ex M. Bieb. -- accepted
  Astragalus laurentii (Rydb.) M. Peck -- not accepted
  Astragalus laxmannii Jacq. -- accepted -- Laxmann's milkvetch
  Astragalus laxmannii var. robustior (Hook.) Barneby & S.L. Welsh -- accepted -- prairie milkvetch
  Astragalus laxmannii var. tananaicus (Hultén) Barneby & S.L. Welsh -- accepted -- standing milkvetch
  Astragalus layneae Greene -- accepted -- widow's milkvetch
  Astragalus lectulus S. Watson -- not accepted
  Astragalus leibergii M.E. Jones -- accepted -- Leiberg's milkvetch
  Astragalus lemmonii A. Gray -- accepted -- Lemmon's milkvetch
  Astragalus lentiformis A. Gray -- accepted -- lens pod milkvetch
  Astragalus lentiginosus Douglas ex Hook. -- accepted -- freckled milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. albiflorus (A. Gray) Schoener -- not accepted
  Astragalus lentiginosus var. albifolius M.E. Jones -- accepted -- northern freckled milkvetch, Owen's Valley milkvetch, northern speckledpod milkvetch
  Astragalus lentiginosus var. ambiguus Barneby -- accepted -- freckled milkvetch, Peach Springs freckled milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. antonius Barneby -- accepted -- freckled milkvetch, Mt. San Antonio milkvetch
  Astragalus lentiginosus var. araneosus (Sheldon) Barneby -- accepted -- cobweb milkvetch
  Astragalus lentiginosus var. australis Barneby -- accepted -- freckled milkvetch, southern freckled milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. borreganus M.E. Jones -- accepted -- Borrego milkvetch, northern milkvetch
  Astragalus lentiginosus var. carinatus M.E. Jones -- not accepted
  Astragalus lentiginosus var. charlestonensis (Clokey) Barneby -- not accepted
  Astragalus lentiginosus var. chartaceus M.E. Jones -- not accepted -- broadleaf milkvetch, San Pitch Valley milk-vetch
  Astragalus lentiginosus var. coachellae Barneby ex Shreve & Wiggins -- accepted -- Coachella milkvetch, Palm Springs freckled milkvetch, Coachella Valley milk-vetch
  Astragalus lentiginosus var. coulteri (Benth.) M.E. Jones -- not accepted
  Astragalus lentiginosus var. diphysus (A. Gray) M.E. Jones -- accepted -- freckled milkvetch, double bladder freckled milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. floribundus A. Gray -- accepted -- freckled milkvetch, Carson City milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. fremontii (A. Gray ex Torr.) S. Watson -- accepted -- Fremont's milkvetch
  Astragalus lentiginosus var. higginsii S.L. Welsh & K.H. Thorne -- accepted -- Higgins' milkvetch
  Astragalus lentiginosus var. idriensis M.E. Jones -- accepted -- freckled milkvetch, New Idria milkvetch
  Astragalus lentiginosus var. ineptus (A. Gray) M.E. Jones -- accepted -- freckled milkvetch, homely milkvetch
  Astragalus lentiginosus var. kennedyi (Rydb.) Barneby -- accepted -- Kennedy's milkvetch
  Astragalus lentiginosus var. kernensis (Jeps.) Barneby -- accepted -- Kern milkvetch
  Astragalus lentiginosus var. latus (M.E. Jones) M.E. Jones -- accepted -- freckled milkvetch, Schell Creek milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. lentiginosus Douglas ex Hook. -- accepted -- freckled milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. macdougalii (Sheldon) M.E. Jones -- not accepted
  Astragalus lentiginosus var. macrolobus (Rydb.) Barneby -- accepted -- West Humboldt milkvetch
  Astragalus lentiginosus var. maricopae Barneby -- accepted -- Maricopa milkvetch
  Astragalus lentiginosus var. mcdougallii (Sheldon) M.E. Jones -- not accepted
  Astragalus lentiginosus var. micans Barneby -- accepted -- shining milk-vetch, freckled milkvetch, shining freckled milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. mokiacensis (A. Gray) M.E. Jones -- accepted -- Mokiak milkvetch
  Astragalus lentiginosus var. multiracemosus S.L. Welsh & N.D. Atwood -- accepted -- Lamoille Canyon milkvetch
  Astragalus lentiginosus var. negundo Barneby -- accepted -- box elder freckled milkvetch
  Astragalus lentiginosus var. nigricalycis M.E. Jones -- accepted -- freckled milkvetch, Bakersfield freckled milkvetch
  Astragalus lentiginosus var. oropedii Barneby -- accepted -- freckled milkvetch, Kaibab Plateau milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. palans (M.E. Jones) M.E. Jones -- accepted -- freckled milkvetch, straggling milkvetch, speckledpod milkvetch
  Astragalus lentiginosus var. piscinensis Barneby -- accepted -- Fish Slough milkvetch, Fish Slough milk-vetch
  Astragalus lentiginosus var. platyphyllidius (Rydb.) M. Peck -- accepted -- broad-leaved milkvetch
  Astragalus lentiginosus var. pohilii S.L. Welsh & Barneby -- not accepted
  Astragalus lentiginosus var. pohlii S.L. Welsh & Barneby -- accepted -- Pohl's milkvetch
  Astragalus lentiginosus var. salinus (Howell) Barneby -- accepted -- salty loco milkvetch
  Astragalus lentiginosus var. scorpionis M.E. Jones -- accepted -- scorpion milkvetch
  Astragalus lentiginosus var. semotus Jeps. -- accepted -- freckled milkvetch, White Mountains milkvetch
  Astragalus lentiginosus var. sesquimetralis (Rydb.) Barneby -- accepted -- Sodaville milk-vetch, Sodaville milkvetch, Mono locoweed
  Astragalus lentiginosus var. sierrae M.E. Jones -- accepted -- Big Bear milk-vetch, Sierra milkvetch
  Astragalus lentiginosus var. stramineus (Rydb.) Barneby -- accepted -- freckled milkvetch, straw milkvetch
  Astragalus lentiginosus var. toiyabensis Barneby -- accepted -- Toiyabe milkvetch
  Astragalus lentiginosus var. toyabensis Barneby -- not accepted
  Astragalus lentiginosus var. tremuletorum Barneby -- not accepted
  Astragalus lentiginosus var. trumbullensis S.L. Welsh & N.D. Atwood -- accepted -- Mt. Trumbull milkvetch
  Astragalus lentiginosus var. ursinus (A. Gray) Barneby -- not accepted -- Bear Valley milk-vetch
  Astragalus lentiginosus var. variabilis Barneby -- accepted -- freckled milkvetch, Victorville freckled milkvetch
  Astragalus lentiginosus var. vitreus Barneby -- accepted -- freckled milkvetch, glass freckled milkvetch
  Astragalus lentiginosus var. wahweapensis S.L. Welsh -- accepted -- Wahweap freckled milkvetch
  Astragalus lentiginosus var. wilsonii (Greene) Barneby -- accepted -- Wilson's milkvetch, Wilson milkvetch
  Astragalus lentiginosus var. yuccanus M.E. Jones -- accepted -- yucca milkvetch
  Astragalus leptaleus A. Gray -- accepted -- park milkvetch
  Astragalus leptocarpus Torr. & A. Gray -- accepted -- rare loco milkvetch, slimpod milkvetch
  Astragalus leucolobus S. Watson ex M.E. Jones -- accepted -- Bear Valley milkvetch, whitepod milkvetch, Bear Valley wooly-pod
  Astragalus leucolobus ssp. consectus (E. Sheld.) Abrams -- not accepted
  Astragalus leucopsis (Torr. & A. Gray) Torr. -- not accepted
  Astragalus limnocharis Barneby -- accepted -- Cedar Breaks milkvetch
  Astragalus limnocharis var. limnocharis Barneby -- accepted -- Cedar Breaks milkvetch
  Astragalus limnocharis var. montii (S.L. Welsh) Isely -- not accepted -- Monti's milkvetch, heliotrope milk-vetch
  Astragalus limnocharis var. tabulaeus S.L. Welsh -- accepted -- Table Cliff milkvetch
  Astragalus lindheimeri Engelm. ex A. Gray -- accepted -- Lindheimer's milkvetch
  Astragalus linearis (Rydb.) A.E. Porsild -- not accepted
  Astragalus linifolius Osterh. -- accepted -- Grand Junction milk-vetch
  Astragalus loanus Barneby -- accepted -- Glenwood milkvetch
  Astragalus lonchocarpus Torr. -- accepted -- rushy milkvetch, great rushy milkvetch
  Astragalus lonchocarpus var. hamiltonii (Ced. Porter) Isely -- not accepted
  Astragalus longifolius (Pursh) Rydb. -- not accepted
  Astragalus lotiflorus Hook. -- accepted -- lotus milkvetch, lotus milk-vetch, milkvetch, low milkvetch
  Astragalus lotiflorus var. nebraskensis Bates -- not accepted
  Astragalus lotiflorus var. reverchonii (A. Gray) M.E. Jones -- not accepted
  Astragalus luristanicus Bornm. -- not accepted
  Astragalus lurorum Bornm. -- accepted
  Astragalus lutosus M.E. Jones -- accepted -- Dragon milkvetch
  Astragalus lyallii A. Gray -- accepted -- Lyall's milkvetch
  Astragalus lyallii var. caricinus M.E. Jones -- not accepted
  Astragalus macgregorii (Rydb.) Tidestr. -- not accepted
  Astragalus macounii Rydb. -- not accepted
  Astragalus macrodon (Hook. & Arn.) A. Gray -- accepted -- Salinas milkvetch
  Astragalus macrorhizus Cav. -- not accepted
  Astragalus magdalenae Greene -- accepted -- satiny milkvetch
  Astragalus magdalenae var. niveus (Rydb.) Barneby -- accepted
  Astragalus magdalenae var. peirsonii (Munz & McBurney) Barneby -- accepted -- Peirson's milkvetch, Peirson's milk-vetch
  Astragalus malacoides Barneby -- accepted -- Kaiparowits milkvetch, Kaiparowits milk-vetch
  Astragalus malacus A. Gray -- accepted -- shaggy milkvetch
  Astragalus malheurensis A. Heller -- not accepted
  Astragalus marianus (Rydb.) Barneby -- not accepted
  Astragalus matthewsii S. Watson -- not accepted
  Astragalus megacarpus (Nutt.) A. Gray -- accepted -- great bladdery milkvetch, bladdery milkvetch
  Astragalus megacarpus var. parryi A. Gray ex S. Watson -- not accepted
  Astragalus melilotoides Pall. -- accepted
  Astragalus mensanus (M.E. Jones) Abrams -- not accepted
  Astragalus menziesii A. Gray -- not accepted
  Astragalus menziesii ssp. virgatus (A. Gray ex W.H. Brewer & S. Watson) Abrams -- not accepted
  Astragalus mexicanus A. DC. -- not accepted
  Astragalus mexicanus var. trichocalyx (Nutt. ex Torr. & A. Gray) Fernald -- not accepted
  Astragalus michauxii (Kuntze) F.J. Herm. -- accepted -- sandhills milkvetch, sandhill's milk-vetch
  Astragalus microcymbus Barneby -- accepted -- skiff milkvetch
  Astragalus microcystis A. Gray -- accepted -- dwarf milkvetch
  Astragalus micromerius Barneby -- accepted -- Chaco milkvetch
  Astragalus miguelensis Greene -- accepted -- San Miguel milkvetch
  Astragalus minthorniae (Rydb.) Jeps. -- accepted -- Minthorn's milkvetch
  Astragalus minthorniae var. gracilior (Barneby) Barneby -- not accepted
  Astragalus minthorniae var. minthorniae (Rydb.) Jeps. -- accepted -- Minthorn's milkvetch
  Astragalus minthorniae var. villosus Barneby -- accepted -- Minthorn's milkvetch
  Astragalus misellus S. Watson -- accepted -- pauper milkvetch
  Astragalus misellus var. misellus S. Watson -- accepted -- pauper milkvetch
  Astragalus misellus var. pauper Barneby -- accepted -- pauper milk-vetch
  Astragalus miser Douglas ex Hook. -- accepted -- timber milkvetch, weedy milkvetch
  Astragalus miser var. crispatus (M.E. Jones) Cronquist -- accepted -- timber milkvetch
  Astragalus miser var. decumbens (Nutt. ex Torr. & A. Gray) Cronquist -- accepted -- prostrate milkvetch
  Astragalus miser var. hylophilus (Rydb.) Barneby -- accepted -- woody milkvetch
  Astragalus miser var. miser Douglas ex Hook. -- accepted -- timber milkvetch
  Astragalus miser var. oblongifolius (Rydb.) Cronquist -- accepted -- timber milkvetch
  Astragalus miser var. praeteritus Barneby -- accepted -- Yellowstone milkvetch
  Astragalus miser var. serotinus (A. Gray ex Cooper) Barneby -- accepted -- timber milkvetch
  Astragalus miser var. tenuifolius (Nutt.) Barneby -- accepted -- timber milkvetch
  Astragalus missouriensis Nutt. -- accepted -- Missouri milkvetch, Missouri milk-vetch
  Astragalus missouriensis var. accumbens (E. Sheld.) Isely -- not accepted
  Astragalus missouriensis var. amphibolus Barneby -- accepted -- Missouri milkvetch, Mancos milkvetch
  Astragalus missouriensis var. humistratus Isely -- accepted -- Missouri milkvetch, Archuleta milkvetch
  Astragalus missouriensis var. mimetes Barneby -- accepted -- horn loco milkvetch, mimic milkvetch
  Astragalus missouriensis var. missouriensis Nutt. -- accepted -- Missouri milkvetch, Missouri milk-vetch
  Astragalus moencoppensis M.E. Jones -- accepted -- Moenkopi milkvetch
  Astragalus mohavensis S. Watson -- accepted -- Mojave milkvetch
  Astragalus mohavensis var. hemigyrus (Clokey) Barneby -- accepted -- curve-podded Mojave milk-vetch, Mojave milkvetch, halfring milkvetch
  Astragalus mohavensis var. mohavensis S. Watson -- accepted -- Mojave milkvetch
  Astragalus mokiacensis A. Gray -- not accepted -- Mokiak milkvetch
  Astragalus mollissimus Torr. -- accepted -- woolly locoweed, woolly milkvetch, purple locoweed, woolly loco
  Astragalus mollissimus var. bigelovii (A. Gray) Barneby -- accepted -- woolly locoweed, Bigelow's woolly locoweed, Bigelow's milkvetch
  Astragalus mollissimus var. coryi Tidestr. -- accepted -- woolly locoweed, Cory's woolly locoweed, Cory's woolly milkvetch
  Astragalus mollissimus var. earlei (Greene ex Rydb.) Tidestr. -- accepted -- woolly locoweed, Earle's woolly locoweed, Earle's woolly milkvetch
  Astragalus mollissimus var. marcidus (Greene ex Rydb.) Barneby -- accepted -- withered wooly milk-vetch, woolly locoweed, Davis Mountains locoweed, woolly milkvetch
  Astragalus mollissimus var. matthewsii (S. Watson) Barneby -- accepted -- woolly locoweed, Matthews' woolly locoweed, Matthews' woolly milkvetch
  Astragalus mollissimus var. mogollonicus (Greene) Barneby -- accepted -- woolly locoweed, Mogollon woolly locoweed, Mogollon woolly milkvetch
  Astragalus mollissimus var. mollissimus Torr. -- accepted -- woolly locoweed, woolly milkvetch
  Astragalus mollissimus var. thompsoniae (S. Watson) Barneby -- accepted -- woolly locoweed, Thompson's woolly locoweed, Thompson woolly milkvetch, Thompson's woolly milkvetch
  Astragalus molybdenus Barneby -- accepted -- Leadville milkvetch
  Astragalus molybdenus var. lackschewitzii (Lavin & H. Marriott) S.L. Welsh -- accepted -- Lackschewitz's milkvetch
  Astragalus molybdenus var. molybdenus Barneby -- accepted -- Leadville milkvetch
  Astragalus molybdenus var. shultziorum (Barneby) S.L. Welsh -- accepted -- Shultz' milkvetch
  Astragalus mongholicus Bunge -- accepted
  Astragalus monoensis Barneby -- accepted -- Mono milkvetch
  Astragalus monoensis var. ravenii (Barneby) Isely -- not accepted -- Raven's milk-vetch
  Astragalus monspessulanus L. -- accepted
  Astragalus montii S.L. Welsh -- accepted -- Monti's milkvetch, heliotrope milk-vetch
  Astragalus monumentalis Barneby -- accepted -- Monument Valley milkvetch
  Astragalus monumentalis var. cottamii (S.L. Welsh) Isely -- not accepted -- Cottam's milkvetch, Cottam milkvetch
  Astragalus monumentalis var. monumentalis Barneby -- not accepted -- Monument Valley milkvetch
  Astragalus mortonii Nutt. -- not accepted
  Astragalus mulfordiae M.E. Jones -- accepted -- Mulford's milk-vetch
  Astragalus multiflorus (Pursh) A. Gray -- accepted -- looseflower milkvetch
  Astragalus musimonum Barneby -- not accepted
  Astragalus musiniensis M.E. Jones -- accepted -- Ferron's milkvetch
  Astragalus narbonensis Gouan -- not accepted
  Astragalus naturitensis Payson -- accepted -- Naturita milkvetch, Naturita milk-vetch
  Astragalus neglectus (Torr. & A. Gray) E. Sheld. -- accepted -- Cooper's milkvetch, Cooper's milk-vetch
  Astragalus nelsonianus Barneby -- accepted -- Nelson's milkvetch
  Astragalus neomexicanus Wooton & Standl. -- accepted -- New Mexico milkvetch
  Astragalus nevinii A. Gray -- accepted -- San Clemente Island milk-vetch
  Astragalus newberryi A. Gray -- accepted -- Newberry's milkvetch
  Astragalus newberryi var. aquarii Isely -- accepted -- Newberry's milkvetch, Aquarius Mountain milkvetch
  Astragalus newberryi var. blyae (Rose ex Rydb.) Barneby -- accepted -- Newberry's milkvetch, Bly milkvetch
  Astragalus newberryi var. castoreus M.E. Jones -- accepted -- Newberry's milkvetch, Beaver Dam Mountains milkvetch
  Astragalus newberryi var. escalantinus Barneby -- not accepted -- Escalante milkvetch
  Astragalus newberryi var. newberryi A. Gray -- accepted -- Newberry's milkvetch
  Astragalus newberryi var. wardianus Barneby -- not accepted
  Astragalus nidularius Barneby -- accepted -- birdnest milkvetch
  Astragalus nigricalycis (M.E. Jones) Abrams -- not accepted
  Astragalus niveus Rydb. -- not accepted
  Astragalus norvegicus Weber -- accepted
  Astragalus nothoxys A. Gray -- accepted -- sheep milkvetch
  Astragalus nudisiliquus A. Nelson -- accepted -- cobblestone milkvetch
  Astragalus nutans M.E. Jones -- accepted -- Providence Mountain milkvetch, chuckwalla milkvetch
  Astragalus nutriosensis M.J. Sand. -- accepted -- Apache milkvetch, Nutriosa milk-vetch
  Astragalus nuttallianus DC. -- accepted -- smallflowered milkvetch, Nuttall milkvetch
  Astragalus nuttallianus var. austrinus (Small) Barneby -- accepted -- smallflowered milkvetch, Rio Fronteras milkvetch
  Astragalus nuttallianus var. cedrosensis (Vasey & Rose) M.E. Jones -- accepted -- turkeypeas, Cedros Island milkvetch, turkey peas
  Astragalus nuttallianus var. imperfectus (Rydb.) Barneby -- accepted -- turkeypeas, imperfect milkvetch, turkey peas
  Astragalus nuttallianus var. macilentus (Small) Barneby -- accepted -- turkeypeas, small milkvetch
  Astragalus nuttallianus var. micranthiformis Barneby -- accepted -- turkeypeas, Montezuma milkvetch, turkey peas
  Astragalus nuttallianus var. nuttallianus DC. -- accepted -- smallflowered milkvetch
  Astragalus nuttallianus var. pleianthus (Shinners) Barneby -- accepted -- Edwards Plateau milkvetch, Richland milkvetch
  Astragalus nuttallianus var. trichocarpus Torr. & A. Gray -- accepted -- turkeypeas, hairypod milkvetch, turkey peas
  Astragalus nuttallianus var. zapatanus Barneby -- accepted -- turkeypeas, Loredo milkvetch
  Astragalus nuttallii (Torr. & A. Gray) J.T. Howell -- accepted -- Nuttall's milkvetch
  Astragalus nuttallii var. nuttallii (Torr. & A. Gray) J.T. Howell -- accepted -- Nuttall's milkvetch
  Astragalus nuttallii var. virgatus (A. Gray ex W.H. Brewer & S. Watson) Barneby -- accepted -- Nuttall's milkvetch
  Astragalus nutzotinensis J. Rousseau -- accepted -- Nutzotin milkvetch
  Astragalus nyensis Barneby -- accepted -- Nye milkvetch
  Astragalus obcordatus Elliott -- accepted -- Florida milkvetch
  Astragalus obscurus S. Watson -- accepted -- arcane milkvetch
  Astragalus occidentalis (S. Watson) M.E. Jones -- not accepted
  Astragalus oniciformis Barneby -- accepted -- Picabo milkvetch
  Astragalus onobrychis L. -- accepted
  Astragalus oocalycis M.E. Jones -- accepted -- Arboles milkvetch
  Astragalus oocarpus A. Gray -- accepted -- Descanso milk-vetch, egg-pod milkvetch
  Astragalus oophorus S. Watson -- accepted -- egg milkvetch
  Astragalus oophorus var. caulescens (M.E. Jones) M.E. Jones -- accepted -- egg milkvetch, pallid egg milkvetch
  Astragalus oophorus var. clokeyanus Barneby -- accepted -- Clokey's egg-vetch, egg milkvetch, Clokey's egg milkvetch
  Astragalus oophorus var. lavinii Barneby -- accepted -- Lavin's milk-vetch, Lavin's egg milkvetch
  Astragalus oophorus var. lonchocalyx Barneby -- accepted -- egg milkvetch, pink egg milkvetch
  Astragalus oophorus var. oophorus S. Watson -- accepted -- egg milkvetch
  Astragalus oophorus var. wilkenii S.L. Welsh -- accepted -- Wilken's egg milkvetch
  Astragalus ophiogenes Barneby -- not accepted
  Astragalus oreganus Nutt. -- accepted -- Oregon milkvetch
  Astragalus osterhoutii M.E. Jones -- accepted -- Kremmling milkvetch, Osterhout's milk-vetch, Osterhout milk-vetch
  Astragalus owyheensis A. Nelson & J.F. Macbr. -- not accepted
  Astragalus oxyphysus A. Gray -- accepted -- Mt. Diablo milkvetch
  Astragalus pachycarpus Torr. & A. Gray -- not accepted
  Astragalus pachypus Greene -- accepted -- thickpod milkvetch
  Astragalus pachypus var. jaegeri Munz & McBurney -- accepted -- Jaeger's bush milk-vetch, Jaeger's milkvetch
  Astragalus pachypus var. pachypus Greene -- accepted -- thickpod milkvetch
  Astragalus pachystachys Rydb. -- not accepted
  Astragalus pallescens M. Bieb. -- accepted
  Astragalus palmeri A. Gray -- accepted -- Palmer's milkvetch
  Astragalus palousensis Piper -- not accepted
  Astragalus panamintensis E. Sheld. -- accepted -- Panamint milkvetch
  Astragalus panguicensis (M.E. Jones) M.E. Jones -- not accepted
  Astragalus pardalinus (Rydb.) Barneby -- accepted -- panther milkvetch
  Astragalus parishii A. Gray -- not accepted
  Astragalus parishii ssp. perstrictus (Rydb.) Abrams -- not accepted
  Astragalus parryi A. Gray -- accepted -- Parry's milkvetch
  Astragalus parviflorus (Pursh) MacMill. -- not accepted
  Astragalus pattersonii A. Gray -- accepted -- Patterson's milkvetch, Patterson milkvetch
  Astragalus pattersonii var. praelongus (E. Sheld.) M.E. Jones -- not accepted
  Astragalus pauperculus Greene -- accepted -- depauperate milkvetch
  Astragalus paysonii (Rydb.) Barneby -- accepted -- Payson's milkvetch
  Astragalus peabodianus M.E. Jones -- not accepted
  Astragalus peckii Piper -- accepted -- Peck's milkvetch
  Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don -- accepted -- narrowleaf milkvetch
  Astragalus pectinatus var. platyphyllus M.E. Jones -- not accepted
  Astragalus peirsonii Munz & McBurney -- not accepted
  Astragalus penduliflorus Lam. -- accepted
  Astragalus pentaglottis L. -- not accepted
  Astragalus perianus Barneby -- accepted -- Rydberg's milkvetch, Rydberg milk-vetch
  Astragalus phoenix Barneby -- accepted -- Ash Meadows milkvetch, Ash Meadows milk-vetch
  Astragalus pictiformis Barneby -- accepted -- Guadalupe milkvetch
  Astragalus pinonis M.E. Jones -- accepted -- pinyon milkvetch
  Astragalus pinonis var. atwoodii (S.L. Welsh & K.H. Thorne) Barneby & Isely -- not accepted -- Duane's milkvetch, Duane milkvetch
  Astragalus pinonis var. pinonis M.E. Jones -- not accepted -- pinyon milkvetch
  Astragalus piscator Barneby & S.L. Welsh -- accepted -- Fisher milkvetch
  Astragalus piutensis Barneby & Mabb. -- accepted -- Sevier milkvetch, Sevier's milkvetch
  Astragalus plattensis Nutt. -- accepted -- Platte River milkvetch, Platte River milk-vetch, Platte milkvetch
  Astragalus platytropis A. Gray -- accepted -- broadkeel milkvetch, broadkeeled milkvetch
  Astragalus pleianthus (Shinners) Isely -- not accepted -- Edwards Plateau milkvetch
  Astragalus plumbeus Barneby -- not accepted
  Astragalus polaris (Seem.) Benth. ex Hook. f. -- accepted -- polar milkvetch
  Astragalus polybotrys Boiss. -- accepted
  Astragalus pomonensis M.E. Jones -- accepted -- Pomona milkvetch
  Astragalus ponticus Pall. -- accepted
  Astragalus porrectus S. Watson -- accepted -- Lahontan milkvetch
  Astragalus praelongus E. Sheld. -- accepted -- stinking milkvetch
  Astragalus praelongus var. avonensis (S.L. Welsh & N.D. Atwood) S.L. Welsh -- accepted -- Avon milkvetch
  Astragalus praelongus var. ellisiae (Rydb.) Barneby ex B.L. Turner -- accepted -- Ellis' stinking milkvetch
  Astragalus praelongus var. lonchopus Barneby -- accepted -- stinking milkvetch
  Astragalus praelongus var. praelongus E. Sheld. -- accepted -- stinking milkvetch
  Astragalus preussii A. Gray -- accepted -- Preuss' milkvetch
  Astragalus preussii var. cutleri Barneby -- not accepted -- Cutler's milkvetch
  Astragalus preussii var. latus M.E. Jones -- accepted -- Green River stinking milkvetch
  Astragalus preussii var. laxiflorus A. Gray -- accepted -- Preuss' milkvetch, Preuss milkvetch
  Astragalus preussii var. preussii A. Gray -- accepted -- Preuss' milkvetch, Preuss milkvetch
  Astragalus proimanthus Barneby -- accepted -- precocious milkvetch
  Astragalus proximus (Rydb.) Wooton & Standl. -- accepted -- Aztec milkvetch
  Astragalus pseudiodanthus Barneby -- accepted -- Tonopah milkvetch
  Astragalus pterocarpus S. Watson -- accepted -- winged milkvetch, wing milkvetch
  Astragalus pubentissimus Torr. & A. Gray -- accepted -- Green River milkvetch
  Astragalus pubentissimus var. peabodianus (M.E. Jones) S.L. Welsh -- accepted -- Peabody's milkvetch
  Astragalus pubentissimus var. pubentissimus Torr. & A. Gray -- accepted -- Green River milkvetch
  Astragalus pulsiferae A. Gray -- accepted -- Ames' milkvetch
  Astragalus pulsiferae var. coronensis S.L. Welsh, Ondricek, & G. Clifton -- accepted -- ram's horn milkvetch
  Astragalus pulsiferae var. pulsiferae A. Gray -- accepted -- Ames' milkvetch
  Astragalus pulsiferae var. suksdorfii (Howell) Barneby -- accepted -- Suksdorf's milkvetch
  Astragalus puniceus Osterh. -- accepted -- Trinidad milkvetch
  Astragalus puniceus var. gertrudis (Greene) Barneby -- accepted -- Trinidad milkvetch
  Astragalus puniceus var. puniceus Osterh. -- accepted -- Trinidad milkvetch
  Astragalus purshii Douglas ex Hook. -- accepted -- woollypod milkvetch, Pursh's milkvetch, Pursh loco, Pursh's milk-vetch
  Astragalus purshii var. concinnus Barneby -- accepted -- woollypod milkvetch, neat milkvetch
  Astragalus purshii var. glareosus (Douglas ex Hook.) Barneby -- accepted -- woollypod milkvetch, gravel milkvetch
  Astragalus purshii var. interior M.E. Jones -- not accepted
  Astragalus purshii var. lagopinus (Rydb.) Barneby -- accepted -- woollypod milkvetch, hare's-foot milkvetch
  Astragalus purshii var. lectulus (S. Watson) M.E. Jones -- accepted -- woollypod milkvetch, Sierran milkvetch
  Astragalus purshii var. longilobus M.E. Jones -- not accepted
  Astragalus purshii var. ophiogenes (Barneby) Barneby -- accepted -- Snake River milkvetch
  Astragalus purshii var. pumilio Barneby -- accepted -- woollypod milkvetch, dwarf milkvetch
  Astragalus purshii var. purshii Douglas ex Hook. -- accepted -- woollypod milkvetch, Pursh's milk-vetch, Pursh's milkvetch
  Astragalus purshii var. tinctus M.E. Jones -- accepted -- woollypod milkvetch, dyed milkvetch
  Astragalus pycnostachyus A. Gray -- accepted -- marsh milkvetch
  Astragalus pycnostachyus var. lanosissimus (Rydb.) Munz & McBurney -- accepted -- Ventura marsh milk-vetch, marsh milkvetch
  Astragalus pycnostachyus var. pycnostachyus A. Gray -- accepted -- marsh milkvetch
  Astragalus racemosus Pursh -- accepted -- cream milkvetch, cream milk-vetch, alkali poisonvetch, creamy loco
  Astragalus racemosus var. longisetus M.E. Jones -- not accepted -- cream milkvetch
  Astragalus racemosus var. racemosus Pursh -- accepted -- cream milkvetch, cream milk-vetch
  Astragalus racemosus var. treleasei Ced. Porter -- accepted -- Trelease's milkvetch
  Astragalus rafaelensis M.E. Jones -- accepted -- San Rafael milkvetch
  Astragalus rattanii A. Gray -- accepted -- Rattan's milkvetch
  Astragalus rattanii var. jepsonianus Barneby -- accepted -- Jepson's milkvetch
  Astragalus rattanii var. rattanii A. Gray -- accepted -- Rattan's milkvetch
  Astragalus ravenii Barneby -- accepted -- Raven's milkvetch
  Astragalus recedens (Greene ex Rydb.) Ced. Porter -- not accepted
  Astragalus recollectus Rech. f. -- not accepted
  Astragalus recurvus Greene -- accepted -- recurved milkvetch
  Astragalus reflexus Torr. & A. Gray -- accepted -- drooping milkvetch
  Astragalus remotus (M.E. Jones) Barneby -- accepted -- Spring Mountain milk-vetch
  Astragalus reventiformis (Rydb.) Barneby -- accepted -- Yakima milkvetch
  Astragalus reventus A. Gray -- accepted -- Blue Mountain milkvetch
  Astragalus reventus var. canbyi M.E. Jones -- not accepted
  Astragalus reventus var. conjunctus (S. Watson) M.E. Jones -- not accepted
  Astragalus reventus var. oxytropidoides (M.E. Jones) C.L. Hitchc. -- not accepted
  Astragalus reventus var. sheldonii (Rydb.) C.L. Hitchc. -- not accepted
  Astragalus reverchonii A. Gray -- not accepted
  Astragalus richardsonii E. Sheld. -- not accepted
  Astragalus riparius Barneby -- accepted -- woodyroot milkvetch
  Astragalus ripleyi Barneby -- accepted -- Ripley's milkvetch, Ripley milk-vetch
  Astragalus robbinsii (Oakes) A. Gray -- accepted -- Robbins' milkvetch
  Astragalus robbinsii ssp. harringtonii (Rydb.) Hultén -- not accepted
  Astragalus robbinsii var. alpiniformis (Rydb.) Barneby ex C.L. Hitchc. -- accepted -- Robbins' milkvetch, Robbins milk-vetch
  Astragalus robbinsii var. blakei (Eggl.) Barneby ex Gleason -- not accepted
  Astragalus robbinsii var. fernaldii (Rydb.) Barneby -- accepted -- Fernald's milkvetch, Fernald's milk-vetch, astragale de Robbins variété de Fernald
  Astragalus robbinsii var. harringtonii (Rydb.) Barneby -- accepted -- Harold's milkvetch
  Astragalus robbinsii var. jesupii Eggl. & E. Sheld. -- accepted -- Jesup's milk-vetch
  Astragalus robbinsii var. minor (Hook.) Barneby -- accepted -- Robbins' milkvetch
  Astragalus robbinsii var. morganiae S.L. Welsh -- accepted -- Maxcine's milkvetch
  Astragalus robbinsii var. occidentalis S. Watson -- accepted -- western milkvetch, Lamoille Canyon milkvetch, Robbins milk-vetch
  Astragalus robbinsii var. robbinsii (Oakes) A. Gray -- accepted -- Robbins' milkvetch, Robbins milk-vetch
  Astragalus rusbyi Greene -- accepted -- Rusby's milkvetch
  Astragalus sabulonum A. Gray -- accepted -- gravel milkvetch
  Astragalus sabulosus M.E. Jones -- accepted -- Cisco milkvetch
  Astragalus sabulosus var. sabulosus M.E. Jones -- accepted -- Cisco milkvetch
  Astragalus sabulosus var. vehiculus S.L. Welsh -- accepted -- stage milkvetch
  Astragalus salinus Howell -- not accepted
  Astragalus salmonis M.E. Jones -- accepted -- Trout Creek milkvetch
  Astragalus sanctae-fidei Tidestr. -- not accepted
  Astragalus saurinus Barneby -- accepted -- dinosaur milk-vetch
  Astragalus scaphoides (M.E. Jones) Rydb. -- accepted -- bitterroot milkvetch
  Astragalus schmolliae Ced. Porter -- accepted -- Schmoll's milkvetch, Schmoll milkvetch
  Astragalus sclerocarpus A. Gray -- accepted -- woodypod milkvetch
  Astragalus scopulorum Porter -- accepted -- Rocky Mountain milkvetch
  Astragalus scorpioides Pourr. ex Willd. -- accepted
  Astragalus scorpiurus Bunge -- accepted
  Astragalus scrupulicola Fernald & Weath. -- not accepted
  Astragalus sealei Lepage -- not accepted
  Astragalus semibilocularis DC. -- not accepted
  Astragalus sepultipes (Barneby) Barneby -- accepted -- Lone Pine milkvetch
  Astragalus serenoi (Kuntze) E. Sheld. -- accepted -- naked milkvetch
  Astragalus serenoi var. serenoi (Kuntze) E. Sheld. -- accepted -- naked milkvetch
  Astragalus serenoi var. shockleyi (M.E. Jones) Barneby -- accepted -- Shockley's milkvetch
  Astragalus serenoi var. sordescens Barneby -- accepted -- naked milkvetch
  Astragalus sericoleucus A. Gray -- accepted -- silky milkvetch
  Astragalus sericoleucus var. aretioides M.E. Jones -- not accepted
  Astragalus sericoleucus var. tridactylicus (A. Gray) M.E. Jones -- not accepted
  Astragalus serotinus A. Gray ex Cooper -- not accepted
  Astragalus serpens M.E. Jones -- accepted -- plateau milkvetch
  Astragalus sesameus L. -- accepted
  Astragalus sesquiflorus S. Watson -- accepted -- sandstone milkvetch
  Astragalus sesquiflorus var. brevipes Barneby -- not accepted
  Astragalus sheldonii (Rydb.) Barneby -- accepted -- Sheldon's milkvetch
  Astragalus shevockii Barneby -- accepted -- Little Kern milkvetch, Shevock's milk-vetch
  Astragalus shockleyi M.E. Jones -- not accepted
  Astragalus shortianus Nutt. -- accepted -- Short's milkvetch
  Astragalus shultziorum Barneby -- not accepted
  Astragalus silerianus M.E. Jones -- not accepted
  Astragalus silerianus var. cariacus M.E. Jones -- not accepted
  Astragalus siliceus Barneby -- accepted -- Flint Mountain milkvetch
  Astragalus siliquosus Boiss. -- accepted
  Astragalus simplicifolius (Nutt.) A. Gray -- accepted -- little bun milkvetch
  Astragalus sinicus L. -- accepted -- Chinese milk-vetch
  Astragalus sinuatus Piper -- accepted -- Whited's milkvetch, Whited milk-vetch
  Astragalus solitarius M. Peck -- accepted -- solitary milkvetch, weak milk-vetch
  Astragalus somalensis var. lindblomii Harms -- not accepted
  Astragalus sophoroides M.E. Jones -- accepted -- painted desert milkvetch
  Astragalus soxmaniorum Lundell -- accepted -- Soxman's milkvetch
  Astragalus spaldingii A. Gray -- accepted -- Spalding's milkvetch
  Astragalus spaldingii var. tyghensis (M. Peck) C.L. Hitchc. -- not accepted
  Astragalus sparsiflorus A. Gray -- accepted -- Front Range milkvetch
  Astragalus sparsiflorus var. majusculus A. Gray -- accepted -- Front Range milkvetch, tium milkvetch
  Astragalus sparsiflorus var. sparsiflorus A. Gray -- accepted -- Front Range milkvetch
  Astragalus spatulatus E. Sheld. -- accepted -- tufted milkvetch, tufted milk-vetch
  Astragalus spatulatus var. uniflorus (Rydb.) Barneby -- not accepted
  Astragalus speirocarpus A. Gray -- accepted -- threadstalk milkvetch
  Astragalus splendens (Douglas ex Hook.) Tidestr. -- not accepted
  Astragalus stenophyllus Torr. & A. Gray -- not accepted
  Astragalus stenophyllus var. filipes (Torr. ex A. Gray) Tidestr. -- not accepted
  Astragalus sterilis Barneby -- accepted -- Sterile milk-vetch, barren milkvetch
  Astragalus stevenianus DC. -- accepted
  Astragalus stictocarpus (Rydb.) Tidestr. -- not accepted
  Astragalus stocksii S.L. Welsh -- not accepted
  Astragalus stragulus Fernald -- not accepted
  Astragalus straturensis M.E. Jones -- accepted -- Pine Valley milkvetch
  Astragalus striatiflorus M.E. Jones -- accepted -- escarpment milk-vetch
  Astragalus striatus Nutt. -- not accepted
  Astragalus strigosus J.M. Coult. & Fisher -- not accepted
  Astragalus subcinereus A. Gray -- accepted -- Silver's milkvetch
  Astragalus subcinereus var. basalticus S.L. Welsh -- accepted -- Fremont Junction milkvetch
  Astragalus subcinereus var. sileranus (M.E. Jones) S.L. Welsh -- accepted -- Siler's milkvetch
  Astragalus subcinereus var. subcinereus A. Gray -- accepted -- Kaibab Plateau milkvetch
  Astragalus subglaber (Rydb.) M. Peck -- not accepted
  Astragalus subumbellatus Klotzsch -- accepted
  Astragalus subvestitus (Jeps.) Barneby -- accepted -- Kern County milkvetch
  Astragalus succulentus Richardson -- not accepted
  Astragalus succumbens Douglas ex Hook. -- accepted -- Columbia milkvetch
  Astragalus sulcatus L. -- accepted
  Astragalus sulphurescens Rydb. -- not accepted
  Astragalus suprapilosus Gontsch. -- accepted
  Astragalus tegetarioides M.E. Jones -- accepted -- bastard milkvetch
  Astragalus tegetarioides var. anxius (Meinke & Kaye) S.L. Welsh -- accepted -- troubled milkvetch, Ash Valley milkvetch
  Astragalus tegetarioides var. tegetarioides M.E. Jones -- accepted -- bastard milkvetch
  Astragalus tegetarius S. Watson -- not accepted
  Astragalus tehachapiensis (Rydb.) Tidestr. -- not accepted
  Astragalus tenellus Pursh -- not accepted -- looseflower milkvetch, loose-flower milk-vetch, pulse milkvetch
  Astragalus tenellus var. strigulosus (Rydb.) F.J. Herm. -- not accepted
  Astragalus tener A. Gray -- accepted -- alkali milkvetch
  Astragalus tener var. ferrisiae Liston -- accepted -- Ferris' milkvetch
  Astragalus tener var. tener A. Gray -- accepted -- alkali milkvetch
  Astragalus tener var. titi (Eastw.) Barneby -- accepted -- coastal dunes milkvetch, coastal dunes milk-vetch, Monterey clover
  Astragalus tennesseensis A. Gray ex Chapm. -- accepted -- Tennessee milkvetch
  Astragalus tephrodes A. Gray -- accepted -- ashen milkvetch
  Astragalus tephrodes var. brachylobus (A. Gray) Barneby -- accepted -- ashen milkvetch, Prescott milkvetch
  Astragalus tephrodes var. chloridae (M.E. Jones) Barneby -- accepted -- ashen milkvetch, chloride milkvetch
  Astragalus tephrodes var. eurylobus Barneby -- not accepted
  Astragalus tephrodes var. remulcus (A. Gray) Barneby -- accepted -- ashen milkvetch
  Astragalus tephrodes var. tephrodes A. Gray -- accepted -- ashen milkvetch
  Astragalus tephrodes var. typicus Barneby -- not accepted
  Astragalus tephrosioides Boiss. -- accepted
  Astragalus terminalis S. Watson -- accepted -- railhead milkvetch
  Astragalus tetrapterus A. Gray -- accepted -- fourwing milkvetch, four-wing milkvetch
  Astragalus tetrapterus var. capricornus M.E. Jones -- not accepted
  Astragalus tetrapterus var. cinerascens (Rydb.) Barneby -- not accepted
  Astragalus thompsonae S. Watson -- not accepted
  Astragalus thompsoniae S. Watson -- not accepted
  Astragalus thurberi A. Gray -- accepted -- Thurber's milkvetch
  Astragalus tibetanus Benth. ex Bunge -- accepted -- Tibet milkvetch
  Astragalus tidestromii (Rydb.) Clokey -- accepted -- Tidestrom's milkvetch
  Astragalus tiehmii Barneby -- accepted -- Tiehm's milk-vetch
  Astragalus titanophilus Barneby -- accepted -- limestone milkvetch
  Astragalus toanus M.E. Jones -- accepted -- Toano milkvetch
  Astragalus toanus var. scidulus S.L. Welsh & N.D. Atwood -- accepted -- Toano milkvetch
  Astragalus toanus var. toanus M.E. Jones -- accepted -- Toano milkvetch
  Astragalus toquimanus Barneby -- accepted -- Toquima milkvetch
  Astragalus tortipes J.L. Anderson & J.M. Porter -- accepted -- Sleeping Ute milkvetch
  Astragalus traskiae Eastw. -- accepted -- Trask's milk-vetch
  Astragalus tricarinatus A. Gray -- accepted -- triplerib milkvetch, triple-ribbed milkvetch
  Astragalus trichocalyx Nutt. ex Torr. & A. Gray -- not accepted
  Astragalus trichopodus (Nutt.) A. Gray -- accepted -- Santa Barbara milkvetch
  Astragalus trichopodus ssp. antisellii (A. Gray ex W.H. Brewer & S. Watson) Thorne -- not accepted
  Astragalus trichopodus ssp. leucopsis (Torr. & A. Gray) Thorne -- not accepted
  Astragalus trichopodus var. antisellii (A. Gray ex W.H. Brewer & S. Watson) Jeps. -- accepted -- Santa Barbara milkvetch, Antisell's milkvetch
  Astragalus trichopodus var. capillipes (M.E. Jones) M.E. Jones -- not accepted
  Astragalus trichopodus var. lonchus (M.E. Jones) Barneby -- accepted -- Santa Barbara milkvetch, ocean milkvetch
  Astragalus trichopodus var. phoxus (M.E. Jones) Barneby -- not accepted -- Santa Barbara milkvetch
  Astragalus trichopodus var. trichopodus (Nutt.) A. Gray -- accepted -- Santa Barbara milkvetch
  Astragalus tridactylicus A. Gray -- accepted -- foothill milkvetch
  Astragalus trimestris L. -- accepted
  Astragalus triphyllus Pursh -- not accepted
  Astragalus triquetrus A. Gray -- not accepted
  Astragalus troglodytus S. Watson -- accepted -- creeping milkvetch, cliff-dweller's milkvetch
  Astragalus tweedyi Canby -- accepted -- Tweedy's milkvetch
  Astragalus tyghensis M. Peck -- accepted -- Tygh Valley milkvetch
  Astragalus umbellatus Bunge -- accepted -- tundra milkvetch
  Astragalus umbraticus E. Sheld. -- accepted -- Bald Mountain milkvetch
  Astragalus uncialis Barneby -- accepted -- currant milkvetch
  Astragalus utahensis (Torr.) Torr. & A. Gray -- accepted -- Utah milkvetch, Utah locoweed
  Astragalus utriger Pall. -- accepted
  Astragalus vaccarum A. Gray -- accepted -- Cow Spring milkvetch
  Astragalus vaginatus Pall. -- accepted
  Astragalus vallaris M.E. Jones -- accepted -- Snake canyon milkvetch
  Astragalus vaseyi S. Watson -- not accepted
  Astragalus vaseyi var. johnstonii Munz & McBurney -- not accepted
  Astragalus vaseyi var. metanus (M.E. Jones) Munz & McBurney -- not accepted
  Astragalus vaseyi var. vaseyi S. Watson -- not accepted
  Astragalus venosus (Hochst.) Hochst. ex A. Rich. -- not accepted
  Astragalus ventosus Suksd. ex Rydb. -- not accepted
  Astragalus verus Olivier -- accepted
  Astragalus vesicarius L. -- accepted
  Astragalus vexilliflexus E. Sheld. -- accepted -- bentflower milkvetch, bent-flower milk-vetch
  Astragalus vexilliflexus var. nubilus Barneby -- accepted -- White Clouds milkvetch
  Astragalus vexilliflexus var. vexilliflexus E. Sheld. -- accepted -- bentflower milkvetch, bent-flower milk-vetch
  Astragalus villosus Michx. -- accepted -- bearded milkvetch
  Astragalus viridis (Nutt. ex Torr. & A. Gray) E. Sheld. -- not accepted
  Astragalus wardii A. Gray -- accepted -- Ward's milkvetch
  Astragalus waterfallii Barneby -- accepted -- Waterfall's milkvetch
  Astragalus watsonii E. Sheld. -- not accepted
  Astragalus webberi A. Gray ex W.H. Brewer & S. Watson -- accepted -- Webber's milk-vetch
  Astragalus weiserensis (M.E. Jones) Abrams -- not accepted
  Astragalus welshii Barneby -- accepted -- Loa milkvetch
  Astragalus wetherillii M.E. Jones -- accepted -- Wetherill's milkvetch, Wetherill milk-vetch
  Astragalus whitedii Piper -- not accepted
  Astragalus whitedii var. brachycodon Barneby -- not accepted
  Astragalus whitneyi A. Gray -- accepted -- balloonpod milkvetch, balloon milkvetch
  Astragalus whitneyi ssp. hookerianus (Torr. & A. Gray) Abrams -- not accepted
  Astragalus whitneyi ssp. pinosus (Elmer) Abrams -- not accepted
  Astragalus whitneyi ssp. siskiyouensis (Rydb.) Abrams -- not accepted
  Astragalus whitneyi var. confusus Barneby -- accepted -- cone-like milkvetch, conelike milkvetch
  Astragalus whitneyi var. lenophyllus (Rydb.) Barneby -- accepted -- balloonpod milkvetch, balloon pod milkvetch
  Astragalus whitneyi var. siskiyouensis (Rydb.) Barneby -- accepted -- Siskiyou milkvetch
  Astragalus whitneyi var. sonneanus (Greene) Jeps. -- accepted -- balloonpod milkvetch
  Astragalus whitneyi var. whitneyi A. Gray -- accepted -- balloonpod milkvetch, Whitney's milkvetch
  Astragalus williamsii Rydb. -- accepted -- Williams' milkvetch
  Astragalus wingatanus S. Watson -- accepted -- Fort Wingate milkvetch
  Astragalus wittmannii Barneby -- accepted -- Wittmann's milkvetch
  Astragalus woodruffii M.E. Jones -- accepted -- Woodruff's milkvetch
  Astragalus wootonii E. Sheld. -- accepted -- halfmoon milkvetch
  Astragalus wootonii var. aquilonius Barneby -- not accepted
  Astragalus wootonii var. endopterus Barneby -- not accepted
  Astragalus wootonii var. typicus Barneby -- not accepted
  Astragalus wrightii A. Gray -- accepted -- Wright's milkvetch
  Astragalus xiphoides (Barneby) Barneby -- accepted -- gladiator milk-vetch
  Astragalus yoder-williamsii Barneby -- accepted -- Osgood Mountains milk-vetch
  Astragalus yukonis M.E. Jones -- not accepted
  Astragalus zionis M.E. Jones -- accepted -- Zion milkvetch
  Astragalus zionis var. vigulus S.L. Welsh -- accepted -- Zion milkvetch
  Astragalus zionis var. zionis M.E. Jones -- accepted -- Zion milkvetch
  Atelophragma aboriginorum (Richardson) Rydb. -- not accepted
  Atelophragma alpiniforme Rydb. -- not accepted
  Atelophragma alpinum (L.) Rydb. -- not accepted
  Atelophragma elegans (Hook.) Rydb. -- not accepted
  Atelophragma harringtonii Rydb. -- not accepted
  Atylosia marmorata R. Br. ex Benth. -- not accepted
  Atylosia scarabaeoides (L.) Benth. -- not accepted
  Baphia Afzel. ex Lodd. -- accepted
  Baphia nitida Lodd. -- accepted -- camwood
  Baptisia Vent. -- accepted -- wild indigo, false indigo
  Baptisia alba (L.) Vent. -- accepted -- white wild indigo, white false indigo
  Baptisia alba var. alba (L.) Vent. -- not accepted -- white wild indigo
  Baptisia alba var. macrophylla (Larisey) Isely -- not accepted -- largeleaf wild indigo
  Baptisia albescens Small -- not accepted -- spiked wild indigo
  Baptisia arachnifera W.H. Duncan -- accepted -- cobwebby wild indigo, hairy rattleweed
  Baptisia australis (L.) R. Br. -- accepted -- blue wild indigo
  Baptisia australis var. aberrans (Larisey) M. Mendenhall -- not accepted -- blue wild indigo
  Baptisia australis var. australis (L.) R. Br. -- accepted -- blue wild indigo
  Baptisia australis var. minor (Lehm.) Fernald -- accepted -- blue wild indigo
  Baptisia bracteata Muhl. ex Elliott -- accepted -- longbract wild indigo, Plains wild indigo
  Baptisia bracteata var. bracteata Muhl. ex Elliott -- not accepted -- longbract wild indigo
  Baptisia bracteata var. glabrescens (Larisey) Isely -- not accepted
  Baptisia bracteata var. laevicaulis (A. Gray ex Canby) Isely -- not accepted -- longbract wild indigo
  Baptisia bracteata var. leucophaea (Nutt.) Kartesz & Gandhi -- not accepted -- longbract wild indigo
  Baptisia bushii Small -- not accepted
  Baptisia calycosa Canby -- accepted -- Florida wild indigo
  Baptisia calycosa var. calycosa Canby -- not accepted -- Florida wild indigo
  Baptisia calycosa var. villosa Canby -- not accepted -- Florida wild indigo, hairy wild indigo
  Baptisia cinerea (Raf.) Fernald & B.G. Schub. -- accepted -- grayhairy wild indigo
  Baptisia cuneata Small -- not accepted
  Baptisia elliptica Small -- not accepted
  Baptisia elliptica var. tomentosa Larisey -- not accepted
  Baptisia fragilis Larisey -- not accepted
  Baptisia gibbesii Small -- not accepted
  Baptisia hirsuta Small -- not accepted
  Baptisia intercalata Larisey -- not accepted
  Baptisia lactea (Raf.) Thieret -- accepted -- white wild indigo
  Baptisia lactea var. lactea (Raf.) Thieret -- accepted -- largeleaf wild indigo
  Baptisia lactea var. obovata (Larisey) Isely -- not accepted
  Baptisia lactea var. pendula (Larisey) B.L. Turner -- accepted -- white wild indigo
  Baptisia laevicaulis (A. Gray ex Canby) Small -- not accepted
  Baptisia lanceolata (Walter) Elliott -- accepted -- gopherweed
  Baptisia lanceolata var. elliptica (Small) B.L. Turner -- accepted -- tomentose gopherweed
  Baptisia lanceolata var. lanceolata (Walter) Elliott -- accepted -- gopherweed
  Baptisia lanceolata var. tomentosa (Larisey) Isely -- not accepted -- tomentose gopherweed
  Baptisia lecontei Torr. & A. Gray -- accepted -- pineland wild indigo
  Baptisia leucantha Torr. & A. Gray -- not accepted
  Baptisia leucantha var. divaricata Larisey -- not accepted
  Baptisia leucantha var. pauciflora Larisey -- not accepted
  Baptisia leucophaea Nutt. -- accepted -- longbract wild indigo
  Baptisia leucophaea var. glabrescens Larisey -- not accepted
  Baptisia leucophaea var. laevicaulis A. Gray ex Canby -- not accepted
  Baptisia macilenta Small ex Larisey -- not accepted
  Baptisia megacarpa Chapm. ex Torr. & A. Gray -- accepted -- Apalachicola wild indigo
  Baptisia minor Lehm. -- not accepted
  Baptisia minor var. aberrans Larisey -- not accepted
  Baptisia nuttalliana Small -- accepted -- Nuttall's wild indigo
  Baptisia pendula Larisey -- not accepted
  Baptisia pendula var. macrophylla Larisey -- not accepted
  Baptisia pendula var. obovata Larisey -- not accepted
  Baptisia perfoliata (L.) R. Br. -- accepted -- catbells
  Baptisia psammophila Larisey -- not accepted
  Baptisia riparia Larisey -- not accepted
  Baptisia riparia var. minima Larisey -- not accepted
  Baptisia simplicifolia Croom -- accepted -- scareweed
  Baptisia sphaerocarpa Nutt. -- accepted -- yellow wild indigo, round wild indigo, green wild indigo
  Baptisia texana Buckley -- not accepted
  Baptisia tinctoria (L.) Vent. -- accepted -- horseflyweed, yellow wild indigo
  Baptisia tinctoria var. crebra Fernald -- not accepted
  Baptisia tinctoria var. projecta Fernald -- not accepted
  Baptisia vespertina Small ex Rydb. -- not accepted
  Baptisia villosa auct. non (Walter) Nutt. -- not accepted
  Baptisia viridis Larisey -- not accepted
  Baptisia X bicolor Greenm. & Larisey -- accepted -- bicolor wild indigo
  Baptisia X bushii Small (pro. sp.) -- accepted -- Bush's wild indigo
  Baptisia X deamii Larisey -- not accepted
  Baptisia X fulva Larisey -- accepted -- wild indigo
  Baptisia X intermedia Larisey -- not accepted
  Baptisia X microphylla Nutt. (pro. sp.) -- accepted -- small leaf wild indigo
  Baptisia X pinetorum Larisey -- not accepted
  Baptisia X serenae M.A. Curtis (pro. sp.) -- accepted -- serene wild indigo
  Baptisia X stricta Larisey -- not accepted
  Baptisia X sulphurea Engelm. (pro. sp.) -- accepted -- sulphur wild indigo
  Baptisia X variicolor Kosnik, Diggs, Redshaw & Lipscomb -- accepted
  Barbieria DC. -- accepted
  Barbieria pinnata (Pers.) Baill. -- accepted
  Batidophaca lotiflora (Hook.) Rydb. -- not accepted
  Bauhinia L. -- accepted -- bauhinia
  Bauhinia aculeata L. -- accepted
  Bauhinia carronii F. Muell. -- accepted -- northern beantree, Queensland-ebony, red bauhinia
  Bauhinia congesta (Britton & Rose) Lundell -- not accepted
  Bauhinia diphylla Buch.-Ham. -- accepted
  Bauhinia divaricata L. -- accepted
  Bauhinia esculenta Burch. -- not accepted -- camel's foot
  Bauhinia fassoglensis Kotschy ex Schweinf. -- not accepted -- bauhinia
  Bauhinia forficata Link -- accepted -- cow's-foot, pata de vaca
  Bauhinia galpinii N.E. Br. -- accepted -- African plume
  Bauhinia jermyana (Britton) Lundell -- not accepted
  Bauhinia lunarioides A. Gray ex S. Watson -- accepted -- Texasplume
  Bauhinia macranthera Benth. ex Hemsl. -- accepted
  Bauhinia macranthera var. grayana Wunderlin -- not accepted
  Bauhinia megalandra Griseb. -- not accepted
  Bauhinia monandra Kurz -- accepted -- Napoleon's plume
  Bauhinia multinervia (Kunth) DC. -- accepted -- petite flamboyant bauhinia
  Bauhinia pauletia Pers. -- accepted -- railroadfence
  Bauhinia petersiana Bolle -- accepted
  Bauhinia petersiana ssp. macrantha (Oliv.) Brummitt & J.H. Ross -- not accepted -- wild coffee-bean
  Bauhinia petersiana ssp. serpae (Ficalho & Hiern) Brummitt & J.H. Ross -- not accepted
  Bauhinia punctata Bolle -- not accepted
  Bauhinia purpurea L. -- accepted -- butterfly tree
  Bauhinia tomentosa L. -- accepted -- St. Thomas tree
  Bauhinia ungulata L. -- accepted -- orchidtree
  Bauhinia variegata L. -- accepted -- mountain ebony, butterfly tree, orchid tree, purple orchid tree
  Bauhinia X blakeana Dunn -- accepted -- Blake's bauhinia
  Bauhinia yunnanensis Franch. -- accepted -- Yunnan bauhinia
  Benthamantha caribaea (Jacq.) Kuntze -- not accepted
  Benthamantha edwardsii var. glabella (A. Gray) Wiggins -- not accepted
  Benthamantha glabella (A. Gray) Rydb. -- not accepted
  Biancaea sepiaria (Roxb.) Tod. -- not accepted
  Biserrula L. -- accepted
  Biserrula pelecinus L. -- accepted
  Bituminaria Heist. ex Fabr. -- accepted
  Bituminaria bituminosa (L.) C.H. Stirt. -- accepted -- Arabian pea
  Bonaveria Scop. -- not accepted
  Bonaveria securidaca (L.) Rchb. -- not accepted
  Borbonia pinifolia Marloth -- not accepted
  Bossiaea Vent. -- accepted
  Bossiaea buxifolia A. Cunn. -- accepted
  Bossiaea foliosa A. Cunn. -- accepted
  Bradburya arenicola Small -- not accepted
  Bradburya floridana Britton -- not accepted
  Bradburya plumieri (Turpin ex Pers.) Kuntze -- not accepted
  Bradburya pubescens (Benth.) Kuntze -- not accepted
  Bradburya virginiana (L.) Kuntze -- not accepted
  Brongniartia Kunth -- accepted -- greentwig
  Brongniartia minutifolia S. Watson -- accepted -- littleleaf greentwig, little leaf Brongniartia
  Brya P. Browne -- accepted -- coccuswood
  Brya ebenus (L.) DC. -- accepted -- ebony coccuswood
  Butea Roxb. ex Willd. -- accepted
  Butea monosperma (Lam.) Taub. -- accepted -- Bengal kino
  Cacara erosa (L.) Kuntze -- not accepted
  Caesalpinia L. -- accepted -- nicker, caesalpinia, poinciana
  Caesalpinia atropunctata Eifert -- not accepted
  Caesalpinia bonduc (L.) Roxb. -- not accepted -- yellow nicker
  Caesalpinia brachycarpa (A. Gray) Fisher -- not accepted -- broadpod nicker, broad-pod rushpea
  Caesalpinia caudata (A. Gray) Fisher -- accepted -- tailed nicker
  Caesalpinia ciliata (Bergius ex Wikstr.) Urb. -- not accepted -- mato
  Caesalpinia clementis (Britton) Leon -- not accepted
  Caesalpinia coriaria (Jacq.) Willd. -- not accepted -- divi divi
  Caesalpinia crista L. -- accepted -- gray nicker
  Caesalpinia crista auct. non L. -- not accepted
  Caesalpinia culebrae (Britton & P. Wilson) Alain -- not accepted -- smooth yellow nicker, amarillo mato
  Caesalpinia decapetala (Roth) Alston -- accepted -- shoofly, cats claw, Mauritius thorn, Mysore thorn, wait-a-bit
  Caesalpinia divergens Urb. -- not accepted -- small yellow nicker
  Caesalpinia drepanocarpa (A. Gray) Fisher -- not accepted -- sicklepod holdback, sicklepod rushpea, sickle-pod holdback
  Caesalpinia drummondii (Torr. & A. Gray) Fisher -- not accepted -- dwarf nicker
  Caesalpinia echinata Lam. -- accepted -- Brazilwood
  Caesalpinia gilliesii (Wall. ex Hook.) D. Dietr. -- not accepted -- bird-of-paradise shrub, paradise caesalpinia, paradise poinciana, bird of paradise, Mexican bird of paradise, bird-of-paradise
  Caesalpinia globulorum Bakh. f. & P. Royen -- not accepted
  Caesalpinia jamesii (Torr. & A. Gray) Fisher -- not accepted -- James' holdback, James' rushpea
  Caesalpinia kavaiensis H. Mann -- not accepted -- uhiuhi
  Caesalpinia major (Medik.) Dandy & Exell -- accepted -- Hawai'i pearls
  Caesalpinia melanosperma (Eggers) Urb. -- not accepted -- mato
  Caesalpinia mexicana A. Gray -- not accepted -- Mexican holdback, Mexican poinciana
  Caesalpinia monensis Britton -- accepted -- negro mato, black nicker
  Caesalpinia myabensis Britton -- not accepted
  Caesalpinia oxycarpa (Benth.) Fisher -- not accepted
  Caesalpinia parryi (Fisher) Eifert -- not accepted -- Parry's holdback
  Caesalpinia pauciflora (Griseb.) C. Wright -- accepted -- fewflower holdback
  Caesalpinia peninsularis (Britton) Eifert -- not accepted -- peninsular holdback
  Caesalpinia phyllanthoides Standl. -- accepted -- wait-a-bit vine
  Caesalpinia portoricensis (Britton & P. Wilson) Alain -- not accepted -- brown mato, brown nicker
  Caesalpinia pulcherrima (L.) Sw. -- accepted -- pride-of-Barbados, dwarf poinciana, flowerfence
  Caesalpinia pumila (Britton & Rose) F.J. Herm. -- accepted
  Caesalpinia repens Eastw. -- not accepted -- creeping nicker
  Caesalpinia sappan L. -- accepted -- sappanwood
  Caesalpinia sepiaria Roxb. -- not accepted
  Caesalpinia spinosa (Molina) Kuntze -- not accepted -- spiny holdback
  Caesalpinia texensis (Fisher) Fisher -- not accepted
  Caesalpinia violacea Standl. -- accepted -- brasiletto
  Caesalpinia virgata Fisher -- not accepted -- wand holdback
  Caesalpinia wootonii (Britton) Eifert ex Isely -- not accepted -- Wooton's holdback
  Cailliea glomerata (Forssk.) J.F. Macbr. -- not accepted
  Cajan cajan (L.) Huth -- not accepted
  Cajanus Adans. -- accepted
  Cajanus cajan (L.) Millsp. -- not accepted -- pigeonpea
  Cajanus goensis Dalzell -- accepted
  Cajanus indicus Spreng. -- not accepted
  Cajanus marmoratus (R. Br. ex Benth.) F. Muell. -- accepted
  Cajanus scarabaeoides (L.) Thouars -- accepted -- showy pigeonpea, cajanus
  Calliandra Benth. -- accepted -- stickpea, false mesquite
  Calliandra biflora Tharp -- accepted -- twoflower stickpea, two-flowered stick-pea
  Calliandra californica Benth. -- accepted -- tabardillo, zapotillo
  Calliandra caracasana Jacq. -- not accepted -- snail stickpea
  Calliandra conferta Benth. -- accepted -- Rio Grande stickpea, false mesquite
  Calliandra coulteri S. Watson -- not accepted -- Coulter's stickpea
  Calliandra cumingii Benth. -- not accepted -- Cuming's stickpea
  Calliandra eriophylla Benth. -- accepted -- fairyduster, false mesquite
  Calliandra eriophylla var. chamaedrys Isely -- not accepted -- fairyduster
  Calliandra eriophylla var. eriophylla Benth. -- not accepted -- fairyduster, false mesquite
  Calliandra haematocephala Hassk. -- accepted -- stickpea
  Calliandra haematomma (Bertero ex DC.) Benth. -- accepted -- red powderpuff
  Calliandra haematomma var. haematomma (Bertero ex DC.) Benth. -- accepted -- red powderpuff
  Calliandra haematomma var. locoensis (R.G. Garcia & Kolt.) Barneby -- accepted -- Rio Loc stickpea
  Calliandra herbacea Engelm. ex A. Gray -- not accepted
  Calliandra houstoniana (Mill.) Standl. -- accepted
  Calliandra houstoniana var. calothyrsa (Meisn.) Barneby -- accepted
  Calliandra humilis Benth. -- accepted -- dwarf stickpea, mountain calliandra
  Calliandra humilis var. humilis Benth. -- accepted -- dwarf stickpea, dwarf guajilla
  Calliandra humilis var. reticulata (A. Gray) L.D. Benson -- accepted -- dwarf stickpea
  Calliandra iselyi B.L. Turner -- accepted -- Isely's stickpea
  Calliandra laxa (Willd.) Benth. -- accepted -- Cuming's stickpea
  Calliandra locoensis R.G. Garcia & Kolt. -- not accepted -- Rio Loc stickpea
  Calliandra media (M. Martens & Galeotti) Standl. -- not accepted
  Calliandra portoricensis (Jacq.) Benth. -- not accepted -- white stickpea
  Calliandra purpurea (L.) Benth. -- accepted -- purple stickpea
  Calliandra reticulata A. Gray -- not accepted
  Calliandra schottii Torr. ex S. Watson -- not accepted -- Schott's stickpea, Schott false mesquite
  Calliandra surinamensis Benth. -- accepted -- Surinamese stickpea
  Calophaca Fisch. ex DC. -- accepted
  Calophaca wolgarica (L. f.) Fisch. ex DC. -- accepted
  Calopogonium Desv. -- accepted
  Calopogonium caeruleum (Benth.) C. Wright -- accepted -- jicama
  Calopogonium galactioides (Kunth) Benth. ex Hemsl. -- accepted
  Calopogonium mucunoides Desv. -- accepted -- calopo
  Calopogonium orthocarpum Urb. -- not accepted
  Canavaia Adans. -- not accepted
  Canavaia ensiformis (L.) DC. -- not accepted
  Canavaia gladiata (Jacq.) DC. -- not accepted
  Canavaia lineata auct. non (Thunb.) DC. -- not accepted
  Canavaia maritima Thouars -- not accepted
  Canavalia DC. -- accepted -- jackbean
  Canavalia Adans. -- not accepted -- jackbean
  Canavalia brasiliensis Mart. ex Benth. -- accepted -- Brazilian jackbean
  Canavalia campylocarpa Piper -- accepted -- jeweled jackbean
  Canavalia cathartica Thouars -- accepted -- maunaloa
  Canavalia centralis H. St. John -- not accepted
  Canavalia dictyota Piper -- not accepted
  Canavalia ensiformis (L.) DC. -- accepted -- wonderbean, wonder-bean
  Canavalia forbesii H. St. John -- not accepted
  Canavalia galeata (Gaudich.) Vogel -- accepted -- `awikiwiki
  Canavalia gladiata (Jacq.) DC. -- accepted -- sword jackbean
  Canavalia haleakalaensis H. St. John -- not accepted
  Canavalia hawaiiensis O. Deg., I. Deg. & J.D. Sauer -- accepted -- puakauhi
  Canavalia iaoensis H. St. John -- not accepted
  Canavalia kauaiensis J.D. Sauer -- accepted -- Kauai jackbean
  Canavalia kauensis H. St. John -- not accepted
  Canavalia lanaiensis O. Deg. & I. Deg. -- not accepted
  Canavalia lineata auct. non (Thunb.) DC. -- not accepted
  Canavalia makahaensis H. St. John -- not accepted
  Canavalia maritima Thouars -- not accepted
  Canavalia megalantha Merr. -- accepted
  Canavalia megalantha var. megalantha Merr. -- accepted
  Canavalia molokaiensis O. Deg., I. Deg. & J.D. Sauer -- accepted -- Molokai jackbean, `awikiwiki
  Canavalia munroi (O. Deg. & I. Deg.) H. St. John -- not accepted
  Canavalia napaliensis H. St. John -- accepted -- Makaha Valley jackbean, awikiwiki
  Canavalia nitida (Cav.) Piper -- accepted -- Bahama baybean
  Canavalia nualoloensis H. St. John -- not accepted
  Canavalia peninsularis H. St. John -- not accepted
  Canavalia plagiosperma Piper -- accepted -- obliqueseeded jackbean
  Canavalia pubescens Hook. & Arn. -- accepted -- lavafield jackbean, awikiwiki
  Canavalia rockii H. St. John -- not accepted -- Pua-kauhi
  Canavalia rosea (Sw.) DC. -- accepted -- baybean
  Canavalia rusiosperma Urb. -- not accepted
  Canavalia sanguinea H. St. John -- not accepted
  Canavalia sericea A. Gray -- accepted -- silky jackbean
  Canavalia stenophylla H. St. John -- not accepted
  Canavalia virosa (Roxb.) Wight & Arn. -- not accepted -- jackbean
  Cantharospermum scarabaeoides (L.) Baill. -- not accepted
  Caragana Fabr. -- accepted -- peashrub
  Caragana arborescens Lam. -- accepted -- Siberian peashrub, Siberian peatree
  Caragana aurantiaca Koehne -- accepted -- dwarf peashrub
  Caragana brevispina Royle ex Benth. -- accepted
  Caragana camilli-schneideri Kom. -- accepted
  Caragana decorticans Hemsl. -- accepted
  Caragana erinacea Kom. -- accepted
  Caragana frutex (L.) K. Koch -- accepted -- Russian peashrub
  Caragana fruticosa (Pall.) Besser -- not accepted
  Caragana grandiflora DC. -- accepted
  Caragana korshinskii Kom. -- accepted -- peashrub
  Caragana manshurica (Kom.) Kom. -- accepted
  Caragana microphylla Lam. -- accepted -- littleleaf peashrub
  Caragana microphylla f. manshurica Kom. -- not accepted
  Caragana pekinensis Kom. -- not accepted
  Caragana pygmaea (L.) DC. -- accepted
  Caragana zahlbruckneri C.K. Schneid. -- accepted
  Caragana zahlbruckneri var. pekinensis (Kom.) Yakovlev -- not accepted
  Carmichaelia R. Br. -- accepted
  Carmichaelia williamsi Kirk -- accepted
  Casparea congesta Britton & Rose -- not accepted
  Casparea jermyana Britton -- not accepted
  Caspareopsis monandra (Kurz) Britton & Rose -- not accepted
  Casparia congesta Britton & Rose -- not accepted
  Casparia jermyana Britton -- not accepted
  Cassia L. -- accepted -- cassia
  Cassia abbreviata Oliv. -- accepted -- long-pod-cassia
  Cassia abbreviata ssp. beareana (Holmes) Brenan -- not accepted
  Cassia absus L. -- not accepted
  Cassia absus var. meonandra H.S. Irwin & Barneby -- not accepted
  Cassia aciphylla Benth. -- not accepted
  Cassia acutifolia Delile -- not accepted
  Cassia aeschinomene DC. ex Collad. -- not accepted
  Cassia afrofistula Brenan -- accepted -- Kenyan shower
  Cassia alata L. -- not accepted
  Cassia angulata Vogel -- not accepted
  Cassia angustifolia Vahl -- not accepted
  Cassia antillana (Britton & Rose) Alain -- not accepted
  Cassia aristellata (Pennell) Cory ex Cory & H.B. Parks -- not accepted
  Cassia armata S. Watson -- not accepted
  Cassia artemisioides Gaudich. ex DC. -- not accepted
  Cassia aspera Muhl. ex Elliott -- not accepted
  Cassia aspera var. mohrii Pollard -- not accepted
  Cassia auriculata L. -- not accepted -- avaram
  Cassia australis Sims -- accepted
  Cassia bacillaris L. f. -- not accepted
  Cassia bahamensis Mill. -- not accepted
  Cassia bauhinioides A. Gray -- not accepted
  Cassia bauhinioides var. arizonica B.L. Rob. ex J.F. Macbr. -- not accepted
  Cassia bicapsularis L. -- not accepted
  Cassia bonariensis Colla -- not accepted
  Cassia brachiata (Pollard) J.F. Macbr. -- not accepted
  Cassia brewsteri (F. Muell.) F. Muell. ex Benth. -- accepted -- Leichardt-bean
  Cassia calycioides DC. ex Collad. -- not accepted
  Cassia carnaval Speg. -- not accepted
  Cassia chamaecrista L. -- not accepted
  Cassia chapmanii Isely -- not accepted
  Cassia chatelainiana Gaudich. -- not accepted
  Cassia circinnata Benth. -- not accepted
  Cassia coluteoides Collad. -- not accepted
  Cassia coronilloides Benth. -- not accepted
  Cassia corymbosa Lam. -- not accepted
  Cassia corymbosa var. plurijuga Benth. -- not accepted
  Cassia covesii A. Gray -- not accepted
  Cassia deeringiana (Small & Pennell) J.F. Macbr. -- not accepted
  Cassia desolata F. Muell. -- not accepted
  Cassia didymobotrya Fresen. -- not accepted
  Cassia diphylla L. -- not accepted
  Cassia durangensis Rose -- not accepted
  Cassia durangensis var. iselyi H.S. Irwin & Barneby -- not accepted
  Cassia ekmaniana Urb. -- not accepted
  Cassia emarginata L. -- not accepted
  Cassia excelsa Schrad. -- not accepted
  Cassia exunguis Urb. -- not accepted -- tamarindillo
  Cassia fasciculata Michx. -- not accepted -- partridge pea, showy partridgepea, sleepingplant
  Cassia fasciculata var. brachiata (Pollard) Pullen ex Isely -- not accepted
  Cassia fasciculata var. depressa (Pollard) J.F. Macbr. -- not accepted
  Cassia fasciculata var. ferrisiae (Britton ex Britton & Rose) B.L. Turner -- not accepted
  Cassia fasciculata var. macrosperma Fernald -- not accepted
  Cassia fasciculata var. puberula (Greene) J.F. Macbr. -- not accepted
  Cassia fasciculata var. robusta (Pollard) J.F. Macbr. -- not accepted
  Cassia fasciculata var. rostrata (Wooton & Standl.) B.L. Turner -- not accepted
  Cassia fasciculata var. tracyi (Pollard) J.F. Macbr. -- not accepted
  Cassia fistula L. -- accepted -- golden shower
  Cassia fistulosa L. ex R.W. Long & Lakela -- not accepted
  Cassia flexuosa L. -- not accepted
  Cassia floribunda Cav. -- not accepted
  Cassia fructicosa Mill. -- not accepted
  Cassia gaudichaudii Hook. & Arn. -- not accepted
  Cassia glandulosa L. -- not accepted
  Cassia glandulosa var. swartzii (Wikstr.) J.F. Macbr. -- not accepted
  Cassia glauca Lam. -- not accepted
  Cassia grammica Spreng. -- not accepted
  Cassia grandis L. f. -- accepted -- pink shower
  Cassia granulata (Urb.) J.F. Macbr. -- not accepted
  Cassia greggii A. Gray -- not accepted
  Cassia hebecarpa Fernald -- not accepted
  Cassia hebecarpa var. longipila E.L. Braun -- not accepted
  Cassia helmsii Symon -- not accepted
  Cassia hirsuta L. -- not accepted
  Cassia javanica L. -- accepted -- apple blossom
  Cassia javanica var. indochinensis Gagnep. -- accepted -- apple blossom
  Cassia javanica var. javanica L. -- accepted -- apple blossom
  Cassia keyensis (Pennell) J.F. Macbr. -- not accepted
  Cassia laevigata Willd. -- not accepted
  Cassia latistipula Benth. -- not accepted
  Cassia leptadenia Greenm. -- not accepted
  Cassia leptocarpa Benth. -- not accepted
  Cassia leptocarpa var. glaberrima M.E. Jones -- not accepted
  Cassia leptophylla Vogel -- accepted
  Cassia leschenaultiana DC. -- not accepted
  Cassia leschenaultiana var. aeschinomene (DC. ex Collad.) Benth. -- not accepted
  Cassia ligustrina L. -- not accepted
  Cassia lindheimeriana Scheele -- not accepted
  Cassia lineata var. brachyloba Griseb. -- not accepted
  Cassia marginata Roxb. -- not accepted
  Cassia marilandica L. -- not accepted
  Cassia medsgeri Shafer -- not accepted
  Cassia mimosoides L. -- not accepted
  Cassia mimosoides var. nomame Makino -- not accepted
  Cassia mirabilis (Pollard) Urb. -- not accepted
  Cassia mississippiensis Pollard -- not accepted
  Cassia multiglandulosa Jacq. -- not accepted
  Cassia multijuga Rich. -- not accepted
  Cassia nemophila A. Cunn. ex Vogel -- not accepted
  Cassia nictitans L. -- not accepted
  Cassia nictitans var. commixta (Pollard & Maxon) Millsp. -- not accepted
  Cassia nictitans var. hebecarpa Fernald -- not accepted
  Cassia nictitans var. leiocarpa Fernald -- not accepted
  Cassia nictitans var. mensalis (Greenm.) H.S. Irwin & Barneby -- not accepted
  Cassia nictitans var. mohrii (Pollard) J.F. Macbr. -- not accepted
  Cassia nitida Rich. -- not accepted
  Cassia notabilis F. Muell. -- not accepted
  Cassia obovata Collad. -- not accepted
  Cassia obtusifolia L. -- not accepted -- Java bean, sicklepod
  Cassia occidentalis L. -- not accepted -- coffee senna, septicweed
  Cassia odorata R. Morris -- not accepted
  Cassia orcuttii (Britton & Rose) B.L. Turner -- not accepted
  Cassia patellaria DC. ex Collad. -- not accepted
  Cassia pendula Humb. & Bonpl. ex Willd. -- not accepted
  Cassia petersiana Bolle -- not accepted
  Cassia phyllodinea R. Br. -- not accepted
  Cassia pilosa L. -- not accepted
  Cassia pilosior (B.L. Rob. ex J.F. Macbr.) H.S. Irwin & Barneby -- not accepted
  Cassia pleurocarpa F. Muell. -- not accepted
  Cassia polyphylla Jacq. -- not accepted
  Cassia portoricensis Urb. -- not accepted
  Cassia pumilio A. Gray -- not accepted
  Cassia ramosa Vogel -- not accepted
  Cassia ripleyana H.S. Irwin & Barneby -- not accepted
  Cassia robusta (Pollard) Pollard -- not accepted
  Cassia roemeriana Scheele -- not accepted
  Cassia rostrata (Wooton & Standl.) Tidestr. -- not accepted
  Cassia rotundifolia Pers. -- not accepted
  Cassia roxburghii DC. -- accepted -- Roxburgh's cassia
  Cassia schultesii Colla -- not accepted
  Cassia senna L. -- not accepted
  Cassia sericea Sw. -- not accepted
  Cassia serpens L. -- not accepted
  Cassia siamea Lam. -- not accepted
  Cassia singueana Delile -- not accepted
  Cassia sophera L. -- not accepted
  Cassia speciosa Schrad. -- not accepted
  Cassia spectabilis DC. -- not accepted
  Cassia splendida Vogel -- not accepted
  Cassia stahlii Urb. -- not accepted
  Cassia stipulacea Aiton -- not accepted
  Cassia sturtii R. Br. -- accepted -- Sturt's cassia
  Cassia suffruticosa J. Koenig ex Roth -- not accepted
  Cassia sulfurea DC. ex Collad. -- not accepted
  Cassia surattensis Burm. f. -- not accepted
  Cassia surattensis var. suffruticosa (J. Koenig ex Roth) Chatterjee -- not accepted
  Cassia texana Buckley -- not accepted
  Cassia tomentosa Wall. ex Arn. -- not accepted
  Cassia tomentosa L. f. -- not accepted
  Cassia tora auct. non L. -- not accepted
  Cassia tora L. -- not accepted
  Cassia uniflora Mill. -- not accepted
  Cassia wislizeni A. Gray -- not accepted
  Cassia wrightii A. Gray -- not accepted
  Centrosema (DC.) Benth. -- accepted -- butterfly pea
  Centrosema arenarium Benth. -- accepted
  Centrosema arenicola (Small) F.J. Herm. -- accepted -- pineland butterfly pea
  Centrosema floridanum (Britton) Lakela -- not accepted
  Centrosema macrocarpum Benth. -- accepted
  Centrosema molle Mart. ex Benth. -- accepted -- soft butterfly pea
  Centrosema plumieri (Turpin ex Pers.) Benth. -- accepted -- feefee
  Centrosema pubescens Benth. -- accepted -- flor de conchitas
  Centrosema sagittatum (Humb. & Bonpl. ex Willd.) Brandegee -- accepted -- arrowleaf butterfly pea
  Centrosema virginianum (L.) Benth. -- accepted -- spurred butterfly pea, butterflypea
  Centrosema virginianum var. ellipticum (DC.) Fernald -- not accepted
  Ceratonia L. -- accepted
  Ceratonia siliqua L. -- accepted -- St. John's bread, carob
  Cercidium Tul. -- not accepted
  Cercidium floridum Benth. ex A. Gray -- not accepted
  Cercidium macrum I.M. Johnst. -- not accepted
  Cercidium microphyllum (Torr.) Rose & I.M. Johnst. -- not accepted
  Cercidium spinosum Tul. -- not accepted
  Cercidium texanum A. Gray -- not accepted
  Cercis L. -- accepted -- redbud
  Cercis canadensis L. -- accepted -- eastern redbud, redbud
  Cercis canadensis ssp. mexicana (Rose) A.E. Murray -- not accepted
  Cercis canadensis ssp. texensis (S. Watson) E. Murray -- not accepted
  Cercis canadensis var. canadensis L. -- accepted -- eastern redbud, redbud
  Cercis canadensis var. mexicana (Rose) M. Hopkins -- accepted -- Mexican redbud
  Cercis canadensis var. orbiculata (Greene) Barneby -- not accepted
  Cercis canadensis var. texensis (S. Watson) M. Hopkins -- accepted -- Texas redbud, California redbud
  Cercis occidentalis Torr. ex A. Gray -- accepted -- California redbud
  Cercis occidentalis var. orbiculata (Greene) Tidestr. -- not accepted
  Cercis orbiculata Greene -- not accepted -- California redbud
  Cercis siliquastrum L. -- accepted -- Judas-tree, lovetree
  Chamaecrista (L.) Moench -- accepted -- sensitive pea
  Chamaecrista absus (L.) H.S. Irwin & Barneby -- accepted -- tropical sensitive pea
  Chamaecrista absus var. absus (L.) H.S. Irwin & Barneby -- accepted -- tropical sensitive pea
  Chamaecrista absus var. meonandra (H.S. Irwin & Barneby) H.S. Irwin & Barneby -- accepted -- tropical sensitive pea
  Chamaecrista aeschinomene (DC. ex Collad.) Greene -- not accepted
  Chamaecrista aspera (Muhl. ex Elliott) Greene -- not accepted
  Chamaecrista brachiata Pollard -- not accepted
  Chamaecrista calycioides (DC. ex Collad.) Greene -- accepted -- woodland sensitive pea
  Chamaecrista chamaecristoides (Collad.) Greene -- accepted -- beach sensitive pea
  Chamaecrista chamaecristoides var. cruziana (Britton & Rose) H.S. Irwin & Barneby -- accepted -- beach sensitive pea
  Chamaecrista cruziana Britton & Rose -- not accepted
  Chamaecrista deeringiana Small & Pennell -- accepted -- Florida Keys sensitive pea
  Chamaecrista depressa (Pollard) Greene -- not accepted
  Chamaecrista desvauxii (Collad.) Killip -- accepted
  Chamaecrista desvauxii var. latistipula (Benth.) G.P. Lewis -- not accepted
  Chamaecrista dimidiata (Buch.-Ham. ex Roxb.) Lock -- accepted
  Chamaecrista diphylla (L.) Greene -- accepted -- twoleaf sensitive pea
  Chamaecrista exunguis (Urb.) Britton -- not accepted
  Chamaecrista fasciculata (Michx.) Greene -- accepted -- partridge pea, sleepingplant, showy partridgepea
  Chamaecrista fasciculata var. fasciculata (Michx.) Greene -- accepted -- sleepingplant, partridge pea
  Chamaecrista fasciculata var. macrosperma (Fernald) C.F. Reed -- accepted -- partridge pea, sleepingplant
  Chamaecrista flexuosa (L.) Greene -- accepted -- Texas sensitive pea
  Chamaecrista flexuosa var. flexuosa (L.) Greene -- accepted -- Texas sensitive pea
  Chamaecrista flexuosa var. texana (Buckley) H.S. Irwin & Barneby -- accepted -- Texas sensitive pea
  Chamaecrista glandulosa (L.) Greene -- accepted -- Jamaican broom
  Chamaecrista glandulosa var. glandulosa (L.) Greene -- accepted -- Jamaican broom
  Chamaecrista glandulosa var. mirabilis (Pollard) H.S. Irwin & Barneby -- accepted -- Jamaican broom
  Chamaecrista glandulosa var. swartzii (Wikstr.) H.S. Irwin & Barneby -- accepted -- Swartz's Jamaican broom
  Chamaecrista granulata (Urb.) Britton -- not accepted
  Chamaecrista greggii (A. Gray) Pollard ex A. Heller -- accepted -- Gregg's sensitive pea
  Chamaecrista keyensis Pennell -- not accepted
  Chamaecrista lineata (Sw.) Greene -- accepted -- narrowpod sensitive pea
  Chamaecrista lineata var. brachyloba (Griseb.) H.S. Irwin & Barneby -- accepted -- narrowpod sensitive pea
  Chamaecrista lineata var. keyensis (Pennell) H.S. Irwin & Barneby -- accepted -- narrowpod sensitive pea, Big Pine partridge pea
  Chamaecrista lineata var. lineata (Sw.) Greene -- accepted -- narrowpod sensitive pea
  Chamaecrista littoralis Pollard -- not accepted
  Chamaecrista mimosoides (L.) Greene -- accepted -- chamaecrista
  Chamaecrista mirabilis Pollard -- not accepted
  Chamaecrista mississippiensis (Pollard) Pollard ex A. Heller -- not accepted
  Chamaecrista mohrii (Pollard) Small ex Britton & Rose -- not accepted
  Chamaecrista multipinnata (Pollard) Greene -- not accepted
  Chamaecrista nictitans (L.) Moench -- accepted -- sensitive partridge pea, sensitive plant, partridge pea, partridge-pea
  Chamaecrista nictitans ssp. nictitans (L.) Moench -- accepted -- sensitive partridge pea, sensitive plant, partridge pea
  Chamaecrista nictitans ssp. nictitans var. aspera (Muhl. ex Elliott) H.S. Irwin & Barneby -- not accepted -- partridge pea
  Chamaecrista nictitans ssp. nictitans var. diffusa (DC.) H.S. Irwin & Barneby -- not accepted -- partridge pea
  Chamaecrista nictitans ssp. nictitans var. jaliscensis (Greenm.) H.S. Irwin & Barneby -- not accepted -- partridge pea
  Chamaecrista nictitans ssp. nictitans var. leptadenia (Greenm.) Gandhi & Hatch -- not accepted -- partridge-pea
  Chamaecrista nictitans ssp. nictitans var. nictitans (L.) Moench -- not accepted -- partridge pea, sensitive partridge pea
  Chamaecrista nictitans ssp. patellaria (DC. ex Collad.) H.S. Irwin & Barneby -- accepted -- sensitive partridge pea, sensitive plant, partridge pea
  Chamaecrista nictitans ssp. patellaria var. glabrata (Vogel) H.S. Irwin & Barneby -- not accepted -- partidge pea
  Chamaecrista nictitans ssp. patellaria var. patellaria (DC. ex Collad.) Kartesz & Gandhi -- not accepted -- partridge pea
  Chamaecrista nictitans var. aspera (Muhl. ex Elliott) H.S. Irwin & Barneby -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
  Chamaecrista nictitans var. diffusa (DC.) H.S. Irwin & Barneby -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
  Chamaecrista nictitans var. glabrata (Vogel) H.S. Irwin & Barneby -- accepted -- partidge pea, sensitive partridge pea, sensitive plant
  Chamaecrista nictitans var. hebecarpa (Fernald) C.F. Reed -- not accepted
  Chamaecrista nictitans var. jaliscensis (Greenm.) H.S. Irwin & Barneby -- accepted -- sensitive partridge pea, sensitive plant
  Chamaecrista nictitans var. leiocarpa (Fernald) Moldenke -- not accepted
  Chamaecrista nictitans var. leptadenia (Greenm.) Gandhi & Hatch -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
  Chamaecrista nictitans var. nictitans (L.) Moench -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
  Chamaecrista nictitans var. patellaria (DC. ex Collad.) Kartesz & Gandhi -- accepted -- partridge pea, sensitive partridge pea, sensitive plant
  Chamaecrista patellaria (DC. ex Collad.) Greene -- not accepted
  Chamaecrista patellaria var. ramosa (Vogel) H.S. Irwin & Barneby -- not accepted
  Chamaecrista pilosa (L.) Greene -- accepted -- hairy sensitive pea
  Chamaecrista portoricensis (Urb.) O.F. Cook & G.N. Collins -- accepted -- Puerto Rico sensitive pea
  Chamaecrista procumbens (L.) Greene -- not accepted
  Chamaecrista ramosa (Vogel) H.S. Irwin & Barneby -- accepted -- savannah sensitive pea
  Chamaecrista robusta (Pollard) Pollard ex A. Heller -- not accepted
  Chamaecrista rostrata Wooton & Standl. -- not accepted
  Chamaecrista rotundifolia (Pers.) Greene -- accepted -- roundleaf sensitive pea
  Chamaecrista serpens (L.) Greene -- accepted -- slender sensitive pea, slender sensitive-pea
  Chamaecrista serpens var. serpens (L.) Greene -- accepted -- slender sensitive pea
  Chamaecrista serpens var. wrightii (A. Gray) H.S. Irwin & Barneby -- accepted -- Wright's sensitive pea, shrubby senna
  Chamaecrista swartzii (Wikstr.) Britton -- not accepted
  Chamaecrista tracyi Pollard -- not accepted
  Chamaecrista wrightii (A. Gray) Wooton & Standl. -- not accepted
  Chamaecystis Link -- not accepted
  Chamaecystis palmensis (Christ) F.A. Bisby & K.W. Nicholls -- not accepted
  Chamaecystis prolifera (L. f.) Link -- not accepted
  Chamaecytisus Link -- accepted
  Chamaecytisus glaber (L. f.) Rothm. -- accepted
  Chamaecytisus hirsutus (L.) Link -- accepted
  Chamaecytisus mollis (Cav.) Greuter & Burdet -- accepted
  Chamaecytisus palmensis (Christ) F.A. Bisby & K.W. Nicholls -- not accepted -- tagasaste
  Chamaecytisus prolifera (L. f.) Link -- accepted -- escabon
  Chamaecytisus prolifera var. palmensis (Christ) F.A. Bisby & K.W. Nicholls -- accepted -- tagasaste
  Chamaecytisus prolifera var. prolifera (L. f.) Link -- accepted -- escabon
  Chamaecytisus ratisbonensis (Schaeff.) Rothm. -- accepted
  Chamaecytisus supinus (L.) Link -- accepted -- big-flower broom
  Chamaefistula antillana Britton & Rose -- not accepted
  Chamaefistula bacillaris (L. f.) G. Don -- not accepted
  Chamaesenna (DC.) Raf. ex Pittier -- not accepted
  Chamaesenna didymobotrya (Fresen.) Small -- not accepted
  Chamaespartium tridentatum (L.) P.E. Gibbs -- not accepted
  Chapmannia Torr. & A. Gray -- accepted
  Chapmannia floridana Torr. & A. Gray -- accepted -- Florida alicia
  Chapmannia prismatica (Sessé & Moc.) Thulin -- accepted
  Chloroleucon ebano (Berland.) L. Rico -- not accepted
  Christia Moench -- accepted -- island pea
  Christia verspertilionis (L. f.) Bakh. f. -- accepted -- East Indian island pea
  Cicer L. -- accepted
  Cicer arietinum L. -- accepted -- chick pea
  Cicer lens (L.) Willd. -- not accepted
  Cladrastis Raf. -- accepted -- yellowwood
  Cladrastis kentukea (Dum. Cours.) Rudd -- accepted -- Kentucky yellowwood, yellowwood
  Cladrastis lutea (F. Michx.) K. Koch -- not accepted
  Clianthus Sol. ex Lindl. -- accepted -- glory pea
  Clianthus puniceus (G. Don) Sol. ex Lindl. -- accepted -- glory-pea
  Clitoria L. -- accepted -- pigeonwings
  Clitoria fairchildiana R.A. Howard -- accepted -- Philippine pigeonwings
  Clitoria falcata Lam. -- accepted -- sickle pigeonwings
  Clitoria fragrans Small -- accepted -- sweetscented pigeonwings, pigeon wings
  Clitoria heterophylla Lam. -- accepted -- pigeonwings
  Clitoria laurifolia Poir. -- accepted -- laurel-leaf pigeonwings
  Clitoria mariana L. -- accepted -- Atlantic pigeonwings, butterfly-pea, pigeonwings
  Clitoria mariana var. mariana L. -- accepted -- Atlantic pigeonwings, butterfly-pea
  Clitoria mariana var. pubescentia Fantz -- accepted -- Atlantic pigeonwings, butterfly-pea
  Clitoria pinnata (Pers.) R.H. Sm. & G.P. Lewis -- not accepted
  Clitoria polyphylla Poir. -- not accepted
  Clitoria rubiginosa Juss. ex Pers. -- not accepted
  Clitoria ternatea L. -- accepted -- Asian pigeonwings
  Clitoria ternatea var. alba Berhaut -- not accepted
  Clitoria ternatea var. pleniflora Fantz -- accepted -- Asian pigeonwings
  Clitoria ternatea var. ternatea L. -- accepted -- Asian pigeonwings
  Cnemidophacos knowlesianus Rydb. -- not accepted
  Cnemidophacos pectinatus (Douglas ex Hook.) Rydb. -- not accepted
  Codariocalyx Hassk. -- accepted -- tick trefoil
  Codariocalyx gyroides (Roxb. ex Link) Hassk. -- not accepted -- false tick trefoil
  Codoriocalyx Hassk. -- not accepted -- tick trefoil
  Codoriocalyx gyroides (Roxb. ex Link) Hassk. -- not accepted -- false tick trefoil
  Codoriocalyx motorius (Houtt.) H. Ohashi -- not accepted -- telegraph-plant
  Cojoba Britton & Rose -- accepted
  Cojoba arborea (L.) Britton & Rose -- accepted -- wild tamarind
  Cojoba graciliflora (S.F. Blake) Britton & Rose -- accepted -- Guadeloupe blackbead
  Cologania Kunth -- accepted
  Cologania angustifolia Kunth -- accepted -- longleaf cologania
  Cologania lemmonii A. Gray -- not accepted -- Lemmon's cologania
  Cologania longifolia A. Gray -- not accepted
  Cologania obovata Schltdl. -- accepted
  Cologania pallida Rose -- accepted -- pale cologania
  Cologania pulchella Kunth -- accepted -- Mexican cologania
  Colophospermum Kirk ex J. Léonard -- accepted
  Colophospermum mopane (Kirk ex Benth.) Kirk ex J. Léonard -- accepted -- balsam tree
  Colutea L. -- accepted
  Colutea arborescens L. -- accepted -- bladder senna, bladdersenna
  Colutea arborescens f. brevialata (Lange) Browicz -- not accepted
  Colutea brevialata Lange -- not accepted
  Colutea istria Mill. -- accepted -- bladder-senna
  Copaifera L. -- accepted
  Copaifera langsdorffii Desf. -- accepted -- Langsdorf's copaifera
  Copaifera langsdorfii Desf. -- not accepted -- Langsdorf's copaifera
  Copaifera multijuga Hayne -- accepted
  Copaifera officinalis (Jacq.) L. -- accepted -- copaiba
  Coronilla L. -- accepted -- crownvetch
  Coronilla argentea L. -- not accepted
  Coronilla coronata L. -- accepted
  Coronilla cretica L. -- not accepted -- Cretan crownvetch
  Coronilla emeroides Boiss. & Spruner -- not accepted
  Coronilla emerus L. -- not accepted -- scorpion senna
  Coronilla globosa Lam. -- not accepted -- white crownvetch
  Coronilla juncea L. -- accepted
  Coronilla minima L. -- accepted
  Coronilla minima ssp. lotoides (W.D.J. Koch) Nyman -- not accepted
  Coronilla minima var. australis Gren. & Godr. -- not accepted
  Coronilla montana Jacq. -- not accepted
  Coronilla orientalis Mill. -- not accepted
  Coronilla parviflora Willd. -- not accepted
  Coronilla repanda (Poir.) Guss. -- accepted
  Coronilla rostrata Boiss. & Spruner -- not accepted
  Coronilla scorpioides (L.) W.D.J. Koch -- accepted -- yellow crownvetch
  Coronilla securidaca L. -- not accepted -- goat pea
  Coronilla vaginalis Lam. -- accepted
  Coronilla valentina L. -- accepted -- Mediterranean crownvetch
  Coronilla valentina ssp. glauca (L.) Batt. -- accepted -- Mediterranean crownvetch
  Coronilla varia L. -- not accepted -- crownvetch, purple crownvetch, purple crown-vetch, Varia crownvetch
  Corynella DC. -- accepted
  Corynella paucifolia DC. -- not accepted -- retama
  Coumarouna odora Aubl. -- not accepted
  Coumarouna odorata Aubl. -- not accepted
  Coursetia DC. -- accepted -- babybonnets
  Coursetia axillaris J.M. Coult. & Rose -- accepted -- Texas babybonnets
  Coursetia caribaea (Jacq.) Lavin -- accepted -- anil falso
  Coursetia caribaea var. caribaea (Jacq.) Lavin -- accepted -- anil falso
  Coursetia caribaea var. sericea (A. Gray) Lavin -- accepted -- anil falso
  Coursetia glabella (A. Gray) Lavin -- accepted -- smooth babybonnets, smooth coursetia
  Coursetia glandulosa A. Gray -- accepted -- rosary babybonnets
  Coursetia microphylla A. Gray -- not accepted
  Cracca Benth. -- not accepted
  Cracca ambigua (M.A. Curtis) Kuntze -- not accepted
  Cracca angustifolia (Featherm.) Pennell -- not accepted
  Cracca angustissima (Shuttlew. ex Chapm.) Kuntze -- not accepted
  Cracca candida (DC.) Kuntze -- not accepted
  Cracca caribaea (Jacq.) Benth. -- not accepted
  Cracca carpenteri Rydb. -- not accepted
  Cracca cathartica (Sessé & Moc.) Britton & Millsp. -- not accepted
  Cracca chapmanii (Vail) Small -- not accepted
  Cracca chrysophylla (Pursh) Kuntze -- not accepted
  Cracca cinerea (L.) Morong -- not accepted
  Cracca corallicola Small -- not accepted
  Cracca curtissii Small ex Rydb. -- not accepted
  Cracca edwardsii A. Gray -- not accepted
  Cracca edwardsii var. glabella A. Gray -- not accepted
  Cracca edwardsii var. sericea A. Gray -- not accepted
  Cracca flexuosa (Vail) A. Heller -- not accepted
  Cracca floridana Vail -- not accepted
  Cracca glabella (A. Gray) Lavin -- not accepted
  Cracca gracillima (B.L. Rob.) A. Heller -- not accepted
  Cracca hispidula (Michx.) Kuntze -- not accepted
  Cracca intermedia (Graham) Small -- not accepted
  Cracca latidens Small -- not accepted
  Cracca leiocarpa (A. Gray) Kuntze -- not accepted
  Cracca mohrii Rydb. -- not accepted
  Cracca onobrychoides (Nutt.) Kuntze -- not accepted
  Cracca potosina (Brandegee) Standl. -- not accepted
  Cracca purpurea L. -- not accepted
  Cracca rugelii (Shuttlew. ex B.L. Rob.) A. Heller -- not accepted
  Cracca sericea (A. Gray) A. Gray -- not accepted
  Cracca smallii Vail -- not accepted
  Cracca spicata (Walter) Kuntze -- not accepted
  Cracca texana Rydb. -- not accepted
  Cracca thurberi Rydb. -- not accepted
  Cracca virginiana L. -- not accepted
  Crotalaria L. -- accepted -- rattlebox
  Crotalaria agatiflora Schweinf. -- accepted -- canarybird-bush
  Crotalaria alata Buch.-Ham. ex D. Don -- accepted -- rattlebox
  Crotalaria alba L. -- not accepted
  Crotalaria anagyroides Kunth -- not accepted
  Crotalaria angulata auct. non Mill. -- not accepted
  Crotalaria argyrolobioides Baker -- accepted
  Crotalaria assamica Benth. -- accepted -- Indian rattlebox
  Crotalaria atrorubens Hochst. ex Benth. -- accepted
  Crotalaria avonensis DeLaney & Wunderlin -- accepted -- Avon Park rattlebox, Avon Park harebells
  Crotalaria bagamoyoensis Baker f. -- not accepted
  Crotalaria berteriana DC. -- not accepted -- Berteron's rattlebox
  Crotalaria berteroana DC. -- accepted -- Berteron's rattlebox
  Crotalaria biflora L. -- accepted -- twoflower rattlebox
  Crotalaria brachystachys Benth. -- not accepted
  Crotalaria brevidens Benth. -- accepted -- Ethiopian rattlebox
  Crotalaria brevidens var. brevidens Benth. -- not accepted -- Ethiopian rattlebox
  Crotalaria brevidens var. intermedia (Kotschy) Polhill -- not accepted -- Ethiopian rattlebox
  Crotalaria breviflora DC. -- accepted -- shortflower rattlebox
  Crotalaria cajanifolia Kunth -- accepted -- chipilín, chipilín de zope, chipilín montés
  Crotalaria capensis Jacq. -- accepted
  Crotalaria cleomifolia Welw. ex Baker -- accepted
  Crotalaria crassipes Hook. -- not accepted
  Crotalaria cunninghamii R. Br. -- accepted -- birdflower
  Crotalaria eremaea F. Muell. -- accepted
  Crotalaria eriocarpa Benth. -- not accepted
  Crotalaria falcata Vahl ex DC. -- accepted
  Crotalaria ferruginea Graham ex Benth. -- accepted
  Crotalaria filipes Benth. -- accepted
  Crotalaria goreensis Guill. & Perr. -- accepted -- gamba-pea
  Crotalaria grahamiana Wight & Arn. -- accepted
  Crotalaria grantiana Harv. -- not accepted
  Crotalaria guatemalensis Benth. -- not accepted
  Crotalaria hebecarpa (DC.) Rudd -- accepted
  Crotalaria incana L. -- accepted -- shakeshake
  Crotalaria intermedia Kotschy -- not accepted
  Crotalaria juncea L. -- accepted -- sunn hemp
  Crotalaria laburnifolia L. -- accepted
  Crotalaria laburnifolia ssp. australis (Baker f.) Polhill -- accepted
  Crotalaria laburnoides Klotzsch -- accepted
  Crotalaria lachnophora Hochst. ex A. Rich. -- accepted
  Crotalaria lanceolata E. Mey. -- accepted -- lanceleaf rattlebox
  Crotalaria lanceolata ssp. prognatha Polhill -- not accepted
  Crotalaria leioloba Bartl. -- not accepted
  Crotalaria linaria Small -- not accepted
  Crotalaria longirostrata Hook. & Arn. -- accepted -- longbeak rattlebox
  Crotalaria lotifolia L. -- accepted -- cascabelillo axilar
  Crotalaria lotifolia var. eggersii H. Senn -- accepted
  Crotalaria maritima Chapm. -- not accepted
  Crotalaria maritima var. linaria (Small) H. Senn -- not accepted
  Crotalaria maxillaris Klotzsch -- not accepted
  Crotalaria medicaginea Lam. -- accepted
  Crotalaria micans Link -- accepted -- Caracas rattlebox
  Crotalaria mucronata Desv. -- not accepted
  Crotalaria mysorensis Roth -- accepted -- rattlebox
  Crotalaria nitens Kunth -- accepted
  Crotalaria novae-hollandiae DC. -- accepted -- New Holland rattlepod
  Crotalaria ochroleuca G. Don -- accepted -- slender leaf rattlebox
  Crotalaria orixensis Rottler ex Willd. -- accepted
  Crotalaria pallida Aiton -- accepted -- smooth rattlebox, smooth crotalaria, striped crotalaria, salts rattlebox
  Crotalaria pallida var. obovata (G. Don) Polhill -- accepted -- smooth rattlebox
  Crotalaria pallida var. pallida Aiton -- accepted -- smooth rattlebox
  Crotalaria paulina Schrank -- accepted -- rattlebox
  Crotalaria pilosa Raf. -- not accepted -- hairy rattlebox
  Crotalaria pumila Ortega -- accepted -- low rattlebox
  Crotalaria purshii DC. -- accepted -- Pursh's rattlebox
  Crotalaria purshii var. bracteolifera Fernald -- not accepted
  Crotalaria quinquefolia L. -- accepted
  Crotalaria retusa L. -- accepted -- rattleweed
  Crotalaria retzii Hitchc. -- not accepted
  Crotalaria rogersii Baker f. -- accepted
  Crotalaria rotundifolia J.F. Gmel. -- accepted -- rabbitbells
  Crotalaria rotundifolia var. vulgaris Windler -- not accepted
  Crotalaria sagittalis L. -- accepted -- arrowhead rattlebox, arrow crotalaria
  Crotalaria sagittalis var. blumeriana H. Senn -- not accepted
  Crotalaria sagittalis var. fruticosa (Mill.) Fawc. & Rendle -- not accepted
  Crotalaria sagittalis var. oblonga Michx. -- not accepted
  Crotalaria saltiana Andrews -- accepted -- African rattlebox
  Crotalaria senegalensis (Pers.) Bacle ex DC. -- accepted
  Crotalaria sericea Retz. -- not accepted
  Crotalaria spectabilis Roth -- accepted -- showy rattlebox, rattlebox, showy crotalaria
  Crotalaria sphaerocarpa Perr. ex DC. -- accepted
  Crotalaria stipularia Desv. -- accepted -- cascabelillo alado
  Crotalaria stipularia var. serpyllifolia DC. -- not accepted
  Crotalaria striata DC. -- not accepted
  Crotalaria trichotoma Bojer -- accepted -- West Indian rattlebox
  Crotalaria trifoliastrum Willd. -- accepted
  Crotalaria usaramoensis Baker f. -- not accepted
  Crotalaria vallicola Baker f. -- accepted
  Crotalaria verrucosa L. -- accepted -- blue rattlesnake
  Crotalaria virgulata Klotzsch -- accepted -- thicket rattlebox, rattlebox
  Crotalaria virgulata ssp. grantiana (Harv.) Polhill -- accepted -- Grant's rattlebox
  Crotalaria vitellina Ker Gawl. -- accepted -- rattlebox
  Crotalaria zanzibarica Benth. -- not accepted -- West Indian rattlebox
  Crudia Schreb. -- accepted
  Crudia cynometroides Hosok. -- accepted
  Cullen Medik. -- accepted -- scurfpea
  Cullen americana (L.) Rydb. -- not accepted -- American scurfpea
  Cullen americanum (L.) Rydb. -- accepted -- American scurfpea
  Cullen cinereum (Lindl.) J.W. Grimes -- accepted
  Cullen corylifolia (L.) Medik. -- accepted -- Malaysian scurfpea
  Cullen graveolens (Domin) J.W. Grimes -- accepted
  Cullen tenax (Lindl.) J.W. Grimes -- accepted
  Cyamopsis DC. -- accepted
  Cyamopsis psoraloides DC. -- not accepted
  Cyamopsis tetragonoloba (L.) Taub. -- accepted -- guar, Calcutta-lucerne, cluster-bean, Siam-bean
  Cynometra L. -- accepted
  Cynometra portoricensis Krug & Urb. -- accepted -- oreganillo falso
  Cynometra ramiflora L. -- accepted
  Cytiscus scoparius (L.) Link -- not accepted
  Cytisophyllum O. Lang -- accepted
  Cytisophyllum sessilifolius (L.) O. Lang -- accepted
  Cytisus Desf. -- accepted -- broom
  Cytisus canariensis (L.) Kuntze -- not accepted
  Cytisus commutatus (Willk.) Briq. -- accepted
  Cytisus decumbens (Durande) Spach -- accepted
  Cytisus elongatus Waldst. & Kit. -- not accepted
  Cytisus glaber L. f. -- not accepted
  Cytisus hirsutus L. -- not accepted
  Cytisus linifolius (L.) Lam. -- not accepted
  Cytisus maderensis Masf. -- not accepted
  Cytisus monspessulanus L. -- not accepted -- French broom
  Cytisus multiflorus (L'Hér.) Sweet -- accepted -- white Spanishbroom
  Cytisus nigricans L. -- accepted
  Cytisus palmensis (Christ) Hutch. -- not accepted
  Cytisus prolifer L. f. -- not accepted
  Cytisus proliferus L. f. -- not accepted
  Cytisus ratisbonensis Schaeff. -- not accepted
  Cytisus scoparius (L.) Link -- accepted -- Scotch broom, English broom, Scotchbroom
  Cytisus scoparius var. andreanus (Puiss.) Dippel -- accepted -- Scotch broom, English broom, Scotchbroom
  Cytisus scoparius var. scoparius (L.) Link -- accepted -- Scotch broom, English broom, Scotchbroom
  Cytisus sessilifolius L. -- not accepted
  Cytisus stenopetalus (Webb & Berthel.) Masf. -- not accepted
  Cytisus striatus (Hill) Rothm. -- accepted -- striated broom, Portugese broom
  Cytisus supinus L. -- not accepted
  Cytisus triflorus L'Hér. -- not accepted
  Cytisus villosus Pourr. -- accepted -- hairybroom
  Cytisus X dallimorei Rolfe -- accepted -- Dallimore's spanishbroom
  Cytisus X kewensis Bean -- accepted
  Cytisus X praecox Bean -- accepted -- Warminster broom, praecox broom
  Cytisus X racemosus hort. -- not accepted
  Dalbergia L. f. -- accepted -- Indian rosewood
  Dalbergia amerimnon Benth. -- not accepted
  Dalbergia brownei (Jacq.) Schinz -- accepted -- Brown's Indian rosewood
  Dalbergia candenatensis (Dennst.) Prain -- accepted
  Dalbergia cubilquitzensis (Donn. Sm.) Pittier -- not accepted
  Dalbergia ecastaphyllum (L.) Taub. -- accepted -- coinvine
  Dalbergia latifolia Roxb. -- accepted -- Indian rosewood
  Dalbergia monetaria L. f. -- accepted -- moneybush
  Dalbergia palauensis Hosok. -- accepted
  Dalbergia sissoo Roxb. ex DC. -- accepted -- Indian rosewood
  Dalbergia tucurensis Donn. Sm. -- accepted
  Dalbergia volubilis (L.) Urb. -- not accepted
  Dalea L. -- accepted -- prairie clover, prairieclovers, prairieclover
  Dalea adenopoda (Rydb.) Isely -- not accepted -- Tampa prairie clover
  Dalea albiflora A. Gray -- accepted -- whiteflower prairie clover, white flower dalea, whiteflower prairieclover
  Dalea alopecuroides Willd. -- not accepted
  Dalea amoena S. Watson -- not accepted
  Dalea amoena var. pubescens (Parish) Peebles -- not accepted
  Dalea arborescens Torr. ex A. Gray -- not accepted
  Dalea argyrea A. Gray -- not accepted
  Dalea aurea Nutt. ex Fraser -- accepted -- golden prairie clover, golden prairie-clover, silktop dalea, golden dalea, golden prairieclover
  Dalea bartonii Barneby -- accepted -- Warnock's prairie clover, Warnock's prairieclover, Cox's dalea
  Dalea bicolor Humb. & Bonpl. ex Willd. -- accepted -- silver prairie clover, silver prairieclover
  Dalea bicolor var. argyrea (A. Gray) Barneby -- accepted -- silver prairie clover, silver prairieclover
  Dalea bicolor var. bicolor Humb. & Bonpl. ex Willd. -- accepted
  Dalea brachystachya A. Gray -- not accepted -- Fort Bowie prairie clover, Fort Bowie prairie-clover
  Dalea brachystachys A. Gray -- accepted -- Fort Bowie prairie clover, Fort Bowie prairieclover, Fort Bowie prairie-clover
  Dalea cahaba J.R. Allison -- accepted -- Cahaba prairie clover
  Dalea californica S. Watson -- not accepted
  Dalea calycosa A. Gray -- not accepted
  Dalea candida Michx. ex Willd. -- accepted -- white prairie clover, white dalea, white prairie-clover, white prairieclover, slender white prairieclover
  Dalea candida var. candida Michx. ex Willd. -- accepted -- white prairie clover, white prairie-clover, white prairieclover
  Dalea candida var. oligophylla (Torr.) Shinners -- accepted -- white prairie clover, white dalea, white prairie-clover, white prairieclover
  Dalea carnea (Michx.) Poir. -- accepted -- whitetassels
  Dalea carnea var. albida (Torr. & A. Gray) Barneby -- accepted -- whitetassels
  Dalea carnea var. carnea (Michx.) Poir. -- accepted -- whitetassels
  Dalea carnea var. gracilis (Nutt.) Barneby -- accepted -- whitetassels
  Dalea carthagenensis (Jacq.) J.F. Macbr. -- accepted -- Cartagena prairie clover
  Dalea carthagenensis ssp. domingensis (DC.) R.T. Clausen -- not accepted
  Dalea carthagenensis var. carthagenensis (Jacq.) J.F. Macbr. -- accepted -- Cartagena prairie clover
  Dalea carthagenensis var. floridana (Rydb.) Barneby -- accepted -- Florida prairie-clover
  Dalea carthagenensis var. portoricana Barneby -- accepted -- Puerto Rico prairie clover
  Dalea carthaginensis (Jacq.) J.F. Macbr. -- not accepted
  Dalea carthaginensis var. carthagenensis (Jacq.) J.F. Macbr. -- not accepted
  Dalea carthaginensis var. floridana (Rydb.) Barneby -- not accepted
  Dalea carthaginensis var. portoricana Barneby -- not accepted
  Dalea cliffortiana Willd. -- accepted
  Dalea compacta Spreng. -- accepted -- compact prairie clover, plains praireclover, compact prairieclover
  Dalea compacta var. compacta Spreng. -- accepted -- compact prairie clover, compact prairieclover
  Dalea compacta var. pubescens (A. Gray) Barneby -- accepted -- compact prairie clover, compact prairieclover
  Dalea cylindriceps Barneby -- accepted -- Andean prairie clover, Andean prairieclover, largespike prairieclover
  Dalea diffusa Moric. -- not accepted
  Dalea domingensis var. paucifolia J.M. Coult. -- not accepted -- low prairie clover
  Dalea drummondiana Shinners -- not accepted
  Dalea emarginata (Torr. & A. Gray) Shinners -- accepted -- wedgeleaf prairie clover, wedgeleaf prairieclover
  Dalea emoryi A. Gray -- not accepted
  Dalea enneandra Nutt. ex Fraser -- accepted -- nineanther prairie clover, nine-anther prairie-clover, nine-anther dalea, bigtop dalea, nineanther prairieclover
  Dalea enneandra var. pumilla (Shinners) B.L. Turner -- not accepted
  Dalea epica S.L. Welsh -- not accepted
  Dalea exigua Barneby -- accepted -- Chihuahuan prairie clover, Chihuahuan dalea, Chihuahuan prairieclover
  Dalea exserta (Rydb.) Gentry -- accepted -- Mexican prairie clover, Mexican prairie-clover
  Dalea feayi (Chapm.) Barneby -- accepted -- Feay's prairie clover
  Dalea filiformis A. Gray -- accepted -- Sonoran prairie clover, Sonoran prairie-clover, Sonoran prairieclover
  Dalea flavescens (S. Watson) S.L. Welsh -- accepted -- Canyonlands prairie clover, Canyonlands prairieclover
  Dalea flavescens var. epica (S.L. Welsh) Chatterley -- not accepted -- Hole-In-The-Rock prairie-clover
  Dalea foliosa (A. Gray) Barneby -- accepted -- leafy prairie clover, leafy prairie-clover
  Dalea formosa Torr. -- accepted -- featherplume, feather dalea, feathery dalea
  Dalea fremontii Torr. ex A. Gray -- not accepted
  Dalea fremontii var. johnsonii (S. Watson) Munz -- not accepted
  Dalea fremontii var. minutifolia (Parish) L.D. Benson -- not accepted
  Dalea fremontii var. pubescens (Parish) L.D. Benson -- not accepted
  Dalea fremontii var. saundersii (Parish) Munz -- not accepted
  Dalea fremontii var. simplifolia (Parish) L.D. Benson -- not accepted
  Dalea frutescens A. Gray -- accepted -- black prairie clover, black dalea, black prairieclover
  Dalea frutescens var. laxa B.L. Turner -- not accepted
  Dalea gattingeri (A. Heller) Barneby -- accepted -- purpletassels
  Dalea glaberrima S. Watson -- not accepted
  Dalea grayi (Vail) L.O. Williams -- accepted -- Gray's prairie clover, Gray's prairie-clover, Gray's prairieclover
  Dalea greggii A. Gray -- accepted -- Gregg's prairie clover, Gregg's dalea, Gregg's prairieclover
  Dalea hallii A. Gray -- accepted -- Hall's prairie clover, Hall's prairieclover
  Dalea helleri Shinners -- not accepted
  Dalea jamesii (Torr.) Torr. & A. Gray -- accepted -- James' prairie clover, James' dalea, James' prairieclover
  Dalea kingii S. Watson -- not accepted
  Dalea lachnostachys A. Gray -- accepted -- glandleaf prairie clover, gland-leaf prairie-clover, glandleaf prairieclover
  Dalea lagopus (Cav.) Willd. -- not accepted
  Dalea lanata Spreng. -- accepted -- woolly prairie clover, woolly prairie-clover, woolly dalea, woolly prairieclover
  Dalea lanata var. lanata Spreng. -- accepted -- woolly prairie clover, woolly prairieclover
  Dalea lanata var. terminalis (M.E. Jones) Barneby -- accepted -- woolly prairie clover, woolly dalea, woolly prairieclover
  Dalea laniceps Barneby -- accepted -- woollyhead prairie clover, woollyhead prairieclover
  Dalea lasiathera A. Gray -- accepted -- purple dalea, purple prairie clover
  Dalea laxiflora Pursh -- not accepted
  Dalea laxiflora var. pumilla Shinners -- not accepted
  Dalea lemmonii Parry ex A. Gray -- not accepted
  Dalea leporina (Aiton) Bullock -- accepted -- foxtail prairie clover, hare's-foot dalea, fox-tail prairie-clover, foxtail dalea, foxtail prairieclover
  Dalea longipila (Rydb.) Cory -- not accepted
  Dalea lumholtzii B.L. Rob. & Fernald -- accepted -- Lumholtz's prairie clover, Lumholtz dalea
  Dalea mexiae Barneby -- accepted
  Dalea mollis Benth. -- accepted -- hairy prairie clover, soft dalea
  Dalea mollis var. mollissima (Rydb.) Munz -- not accepted
  Dalea mollissima (Rydb.) Munz -- accepted -- soft prairie clover, hairy dalea
  Dalea multiflora (Nutt.) Shinners -- accepted -- roundhead prairie clover, Roundhead prairieclover
  Dalea nana Torr. ex A. Gray -- accepted -- dwarf prairie clover, dwarf prairie-clover, dwarf prairieclover, dwarf dalea
  Dalea nana var. carnescens (Rydb.) Kearney & Peebles -- accepted -- dwarf prairie clover, dwarf prairieclover
  Dalea nana var. elatior A. Gray ex B.L. Turner -- not accepted
  Dalea nana var. nana Torr. ex A. Gray -- accepted -- dwarf prairie clover, dwarf prairieclover
  Dalea neomexicana (A. Gray) Cory -- accepted -- downy prairie clover, downy prairie-clover, downy prairieclover, New Mexico dalea
  Dalea neomexicana ssp. mollissima (Rydb.) Wiggins -- not accepted
  Dalea neomexicana var. longipila (Rydb.) Barneby -- accepted -- downy prairie clover, downy prairieclover
  Dalea neomexicana var. neomexicana (A. Gray) Cory -- accepted -- downy prairie clover, New Mexican dalea, New Mexican prairieclover
  Dalea oaxacana (Rose) Bullock -- not accepted
  Dalea obovata (Torr. & A. Gray) Shinners -- accepted -- pussyfoot
  Dalea oligophylla (Torr.) Shinners -- not accepted
  Dalea orcuttii S. Watson -- not accepted
  Dalea ordiae A. Gray -- not accepted
  Dalea ornata (Douglas ex Hook.) Eaton & Wright -- accepted -- Blue Mountain prairie clover, showy prairieclover
  Dalea parryi Torr. & A. Gray -- not accepted
  Dalea pedunculata Pursh -- not accepted
  Dalea phleoides (Torr. & A. Gray) Shinners -- accepted -- slimspike prairie clover, slimspike prairieclover
  Dalea phleoides var. microphylla (Torr. & A. Gray) Barneby -- accepted -- slimspike prairie clover, slimspike prairieclover
  Dalea phleoides var. phleoides (Torr. & A. Gray) Shinners -- accepted -- slimspike prairie clover, slimspike prairieclover
  Dalea pinnata (J.F. Gmel.) Barneby -- accepted -- summer farewell
  Dalea pinnata var. adenopoda (Rydb.) Barneby -- accepted -- Tampa prairie clover
  Dalea pinnata var. pinnata (J.F. Gmel.) Barneby -- accepted -- summer farewell
  Dalea pinnata var. trifoliata (Chapm.) Barneby -- accepted -- summer farewell
  Dalea pogonathera A. Gray -- accepted -- bearded prairie clover, bearded dalea, bearded prairieclover
  Dalea pogonathera var. pogonathera A. Gray -- accepted -- bearded prairie clover, bearded dalea, bearded prairieclover
  Dalea pogonathera var. walkerae (Tharp & F.A. Barkley) B.L. Turner -- accepted -- Walker prairie clover, Walker prairieclover
  Dalea polydenia Torr. ex S. Watson -- not accepted
  Dalea polydenia var. subnuda S. Watson -- not accepted
  Dalea polygonoides A. Gray -- accepted -- sixweeks prairie clover, six-weeks prairie-clover, sixweeks prairieclover
  Dalea polygonoides var. anomala (M.E. Jones) Morton -- not accepted
  Dalea pringlei A. Gray -- accepted -- Pringle's prairie clover, Pringle's dalea
  Dalea pulchra Gentry -- accepted -- Santa Catalina prairie clover, Santa Catalina prairie-clover, Santa Catalina prairieclover
  Dalea purpurea Vent. -- accepted -- purple prairie clover, purple prairieclover, violet dalea, violet prairie-clover, violet prairie clover
  Dalea purpurea var. arenicola (Wemple) Barneby -- accepted -- purple prairie clover, violet prairie clover, violet prairieclover
  Dalea purpurea var. purpurea Vent. -- accepted -- purple prairie clover, violet prairie clover, violet dalea, violet prairie-clover, purple prairieclover, violet prairieclover
  Dalea reverchonii (S. Watson) Shinners -- accepted -- Comanche Peak prairie clover, Comanche-peak prairie-clover
  Dalea sabinalis (S. Watson) Shinners -- accepted -- Sabinal prairie-clover
  Dalea scandens (Mill.) R.T. Clausen -- accepted -- low prairie clover, low prairieclover
  Dalea scandens var. paucifolia (J.M. Coult.) Barneby -- accepted -- low prairie clover, low prairieclover
  Dalea scandens var. scandens (Mill.) R.T. Clausen -- accepted
  Dalea scariosa S. Watson -- accepted -- Albuquerque prairie clover, Albuquerque prairieclover
  Dalea schottii Torr. -- not accepted
  Dalea schottii var. puberula (Parish) Munz -- not accepted
  Dalea scoparia A. Gray -- not accepted
  Dalea searlsiae (A. Gray) Barneby -- accepted -- Searles' prairie clover, Searles dalea, Searle's prairieclover
  Dalea spinosa A. Gray -- not accepted
  Dalea tentaculoides Gentry -- accepted -- Gentry's indigobush, Gentry indigo bush
  Dalea tenuifolia (A. Gray) Shinners -- accepted -- slimleaf prairie clover, bigtop dalea, Flimleaf prairieclover, slimleaf prairieclover
  Dalea tenuis (J.M. Coult.) Shinners -- accepted -- pinkglobe prairie clover, pinkglobe prairieclover
  Dalea terminalis M.E. Jones -- not accepted
  Dalea thompsoniae (Vail) L.O. Williams -- not accepted
  Dalea thyrsiflora A. Gray -- not accepted
  Dalea urceolata Greene -- accepted -- pineforest prairie clover, pine forest dalea, pineforest prairieclover
  Dalea versicolor Zucc. -- accepted -- oakwoods prairie clover, oakwoods dalea, oakwoods prairieclover
  Dalea versicolor ssp. versicolor Zucc. -- not accepted -- oakwoods prairie clover, oakwoods dalea
  Dalea versicolor ssp. versicolor var. sessilis (A. Gray) Barneby -- not accepted -- oakwoods prairie clover, oakwoods dalea
  Dalea versicolor var. glabrescens (Rydb.) Barneby -- accepted
  Dalea versicolor var. sessilis (A. Gray) Barneby -- accepted -- oakwoods prairie clover
  Dalea versicolor var. versicolor Zucc. -- accepted -- oakwoods prairie clover
  Dalea villosa (Nutt.) Spreng. -- accepted -- silky prairie clover, hairy prairieclover, silky prairie-clover, silky prairieclover
  Dalea villosa var. grisea (Torr. & A. Gray) Barneby -- accepted -- silky prairie clover, silky prairieclover
  Dalea villosa var. villosa (Nutt.) Spreng. -- accepted -- silky prairie clover, silky prairie-clover, silky prairieclover
  Dalea virgata Lag. -- accepted
  Dalea whitingii Kearney & Peebles -- not accepted
  Dalea wislizeni ssp. sessilis (A. Gray) Gentry -- not accepted
  Dalea wislizeni var. sanctae-crucis (Rydb.) Kearney & Peebles -- not accepted
  Dalea wislizeni var. sessilis A. Gray -- not accepted
  Dalea wrightii A. Gray -- accepted -- Wright's prairie clover, Wright's prairie-clover, Wright's dalea, Wright's prairieclover
  Daniellia Benn. -- accepted
  Daniellia ogea (Harms) Rolfe ex Holland -- accepted -- gum copal tree
  Daniellia oliveri (Rolfe) Hutch. & Dalziel -- accepted -- African copaiba balsam tree
  Daniellia thurifera Benn. -- accepted -- Niger copal tree
  Darwinia exaltata Raf. -- not accepted
  Daubentonia drummondii Rydb. -- not accepted
  Daubentonia punicea (Cav.) DC. -- not accepted
  Delonix Raf. -- accepted
  Delonix regia (Bojer) Raf. -- accepted -- royal poinciana
  Dendrolobium (Wight & Arn.) Benth. -- accepted
  Dendrolobium lanceolatum (Dunn) Schindl. -- accepted
  Dendrolobium umbellatum (L.) Benth. -- accepted
  Derris Lour. -- accepted
  Derris elliptica Benth. -- not accepted -- oiltree
  Derris ferruginea (Roxb.) Benth. -- accepted
  Derris indica (Lam.) Bennet -- not accepted -- pongame oiltree
  Derris trifoliata Lour. -- accepted -- threeleaf derris
  Derris uliginosa (Willd.) Benth. -- not accepted
  Desmanthus Willd. -- accepted -- bundleflower
  Desmanthus acuminatus Benth. -- accepted -- wild tantan
  Desmanthus bicornutus S. Watson -- accepted -- two-horn bundleflower, ruby bundleflower
  Desmanthus brevipes B.L. Turner -- not accepted -- dwarf bundleflower
  Desmanthus cooleyi (Eaton) Trel. -- accepted -- Cooley's bundleflower, bundleflower, james bundleflower
  Desmanthus covillei (Britton & Rose) Wiggins ex B.L. Turner -- accepted -- Coville's bundleflower
  Desmanthus depressus Humb. & Bonpl. ex Willd. -- not accepted
  Desmanthus glandulosus (B.L. Turner) Luckow -- accepted -- glandular bundleflower
  Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald -- accepted -- Illinois bundleflower, prairie bundleflower
  Desmanthus leptolobus Torr. & A. Gray -- accepted -- slenderlobe bundleflower, prairie bundleflower
  Desmanthus leptophyllus Kunth -- accepted -- slenderleaf bundleflower
  Desmanthus obtusus S. Watson -- accepted -- bluntpod bundleflower
  Desmanthus pernambucanus (L.) Thell. -- accepted -- pigeon bundleflower
  Desmanthus reticulatus Benth. -- accepted -- netleaf bundleflower
  Desmanthus tatuhyensis Hoehne -- accepted -- dwarf bundleflower
  Desmanthus tatuhyensis var. brevipes (B.L. Turner) Luckow -- accepted -- dwarf bundleflower
  Desmanthus velutinus Scheele -- accepted -- velvet bundleflower
  Desmanthus virgatus (L.) Willd. -- accepted -- wild tantan
  Desmanthus virgatus var. acuminatus (Benth.) Isely -- not accepted -- wild tantan
  Desmanthus virgatus var. depressus (Humb. & Bonpl. ex Willd.) B.L. Turner -- not accepted -- wild tantan
  Desmanthus virgatus var. glandulosus B.L. Turner -- not accepted
  Desmanthus virgatus var. virgatus (L.) Willd. -- not accepted -- wild tantan
  Desmodium Desv. -- accepted -- ticktrefoil, tick trefoil, tickclover
  Desmodium acuminatum (Michx.) DC. -- not accepted
  Desmodium adscendens (Sw.) DC. -- accepted -- zarzabacoa galana
  Desmodium affine Schltdl. -- accepted -- amor seco
  Desmodium angustifolium (Kunth) DC. -- accepted -- narrowleaf ticktrefoil
  Desmodium angustifolium var. gramineum (A. Gray) B.G. Schub. -- not accepted
  Desmodium annuum A. Gray -- not accepted
  Desmodium aparines (Link) DC. -- accepted
  Desmodium arenicola (Vail) F.J. Herm. -- not accepted
  Desmodium arizonicum S. Watson -- accepted -- Arizona ticktrefoil, Arizona tick trefoil
  Desmodium axillare (Sw.) DC. -- accepted -- zarzabacoa de monte
  Desmodium axillare var. acutifolium (Kuntze) Urb. -- accepted -- zarzabacoa de monte
  Desmodium axillare var. axillare (Sw.) DC. -- accepted -- zarzabacoa de monte
  Desmodium axillare var. obtusifoliola (Kuntze) Urb. -- not accepted
  Desmodium axillare var. obtusifolium (Kuntze) Urb. -- not accepted
  Desmodium axillare var. sintenisii Urb. -- not accepted
  Desmodium axillare var. stoloniferum (Rich. ex Poir.) B.G. Schub. -- accepted -- zarzabacoa de monte
  Desmodium barbatum (L.) Benth. -- accepted -- zarzabacoa peluda
  Desmodium batocaulon A. Gray -- accepted -- San Pedro ticktrefoil, San Pedro tick trefoil
  Desmodium bracteosum (Michx.) DC. -- not accepted
  Desmodium bracteosum var. longifolium (Torr. & A. Gray) B.L. Rob. -- not accepted
  Desmodium cajanifolium (Kunth) DC. -- accepted -- tropical ticktrefoil
  Desmodium campylocaulon F. Muell. ex Benth. -- accepted
  Desmodium canadense (L.) DC. -- accepted -- showy ticktrefoil, showy tick-trefoil, Canada tickclover
  Desmodium canescens (L.) DC. -- accepted -- hoary ticktrefoil, hoary tickclover
  Desmodium canescens var. hirsutum (Hook.) B.L. Rob. -- not accepted
  Desmodium canescens var. villosissimum Torr. & A. Gray -- not accepted
  Desmodium canum Schinz & Thell. -- not accepted
  Desmodium canum var. angustifolium (Kunth) Léon & Alain -- not accepted
  Desmodium capitatum (Burm. f.) DC. -- not accepted
  Desmodium ciliare (Muhl. ex Willd.) DC. -- accepted -- hairy small-leaf ticktrefoil, littleleaf tickclover
  Desmodium ciliare var. ciliare (Muhl. ex Willd.) DC. -- accepted -- hairy small-leaf ticktrefoil, hairy smallleaf ticktrefoil
  Desmodium ciliare var. lancifolium Fernald & B.G. Schub. -- accepted -- lanceleaf ticktrefoil
  Desmodium cinerascens A. Gray -- accepted -- spiked ticktrefoil, spiked tick trefoil
  Desmodium cinereum (Kunth) DC. -- accepted
  Desmodium cubense Griseb. -- accepted -- Cuban ticktrefoil
  Desmodium cuneatum Hook. & Arn. -- accepted
  Desmodium cuspidatum (Muhl. ex Willd.) Loudon -- accepted -- largebract ticktrefoil
  Desmodium cuspidatum var. cuspidatum (Muhl. ex Willd.) Loudon -- accepted -- largebract ticktrefoil
  Desmodium cuspidatum var. longifolium (Torr. & A. Gray) B.G. Schub. -- accepted -- largebract ticktrefoil
  Desmodium dichromum Shinners -- not accepted
  Desmodium dillenii Darl. -- not accepted
  Desmodium discolor Vogel -- accepted -- horse marmalade, mermalada de caballo
  Desmodium distortum (Aubl.) J.F. Macbr. -- accepted
  Desmodium elegans DC. -- accepted
  Desmodium fernaldii B.G. Schub. -- accepted -- Fernald's ticktrefoil
  Desmodium floridanum Chapm. -- accepted -- Florida ticktrefoil
  Desmodium formosum Vogel -- not accepted
  Desmodium frutescens Schindl. -- not accepted
  Desmodium gangeticum (L.) DC. -- accepted
  Desmodium glabellum (Michx.) DC. -- accepted -- Dillenius' ticktrefoil
  Desmodium glabrum (Mill.) DC. -- accepted -- zarzabacoa dulce
  Desmodium glutinosum (Muhl. ex Willd.) Alph. Wood -- accepted -- pointedleaf ticktrefoil, trefoil tickclover, largeflower tickclover
  Desmodium grahamii A. Gray -- accepted -- Graham's ticktrefoil, Graham's tick trefoil
  Desmodium gramineum A. Gray -- accepted -- grassleaf ticktrefoil, grass-leaf tick trefoil
  Desmodium grandiflorum DC. -- not accepted
  Desmodium gyroides (Roxb. ex Link) DC. -- not accepted
  Desmodium hassleri (Schindl.) Burkart -- accepted
  Desmodium heterocarpon (L.) DC. -- accepted -- Asian ticktrefoil
  Desmodium heterocarpon var. heterocarpon (L.) DC. -- accepted -- carpon desmodium
  Desmodium heterocarpon var. strigosum Meeuwen -- accepted -- Asian ticktrefoil
  Desmodium heterophyllum (Willd.) DC. -- accepted -- variable-leaf ticktrefoil, Spanish clover
  Desmodium hirtum Guill. & Perr. -- accepted
  Desmodium humifusum (Muhl. ex Bigelow) Beck -- accepted -- eastern trailing ticktrefoil, ground-spreading tick-trefoil
  Desmodium illinoense A. Gray -- accepted -- Illinois ticktrefoil, Illinois tickclover
  Desmodium incanum DC. -- accepted -- zarzabacoa comun, tickclover
  Desmodium incanum var. angustifolium (Kunth) Griseb. -- not accepted -- zarzabacoa comun
  Desmodium incanum var. incanum DC. -- not accepted -- zarzabacoa comun
  Desmodium intortum (Mill.) Urb. -- accepted -- greenleaf ticktrefoil, greenleaf tick trefoil
  Desmodium laevigatum (Nutt.) DC. -- accepted -- smooth ticktrefoil, smooth tickclover
  Desmodium lanceolatum (Dunn) Schindl. ex Gagnep. -- not accepted
  Desmodium leiocarpon (Spreng.) G. Don -- accepted
  Desmodium lindheimeri Vail -- accepted -- Lindheimer's ticktrefoil, Lindheimer's tickseed
  Desmodium lineatum DC. -- accepted -- sand ticktrefoil
  Desmodium lineatum var. polymorphum A. Gray -- not accepted
  Desmodium longifolium (Torr. & A. Gray) Smyth -- not accepted
  Desmodium marilandicum (L.) DC. -- accepted -- smooth small-leaf ticktrefoil, Maryland tickclover
  Desmodium metcalfei (Rose & J.H. Painter) Kearney & Peebles -- accepted -- Metcalfe's ticktrefoil, Metcalfe's tick trefoil
  Desmodium michauxii (Vail) Daniels -- not accepted
  Desmodium molle (Vahl) DC. -- not accepted
  Desmodium motorium (Houtt.) Merr. -- not accepted
  Desmodium neomexicanum A. Gray -- accepted -- New Mexico ticktrefoil, New Mexico tickclover
  Desmodium nicaraguense Oerst. -- accepted
  Desmodium nudiflorum (L.) DC. -- accepted -- nakedflower ticktrefoil, bare-stemmed tick-treefoil, barestem tickclover
  Desmodium nuttallii (Schindl.) B.G. Schub. -- accepted -- Nuttall's ticktrefoil
  Desmodium obtusum (Muhl. ex Willd.) DC. -- accepted -- stiff ticktrefoil, stiff tickclover
  Desmodium ochroleucum M.A. Curtis ex Canby -- accepted -- cream ticktrefoil
  Desmodium ovalifolium Guill. & Perr. -- not accepted
  Desmodium pabulare Hoehne -- accepted
  Desmodium paniculatum (L.) DC. -- accepted -- panicledleaf ticktrefoil, narrow-leaf tick-trefoil, panicled tickclover
  Desmodium paniculatum var. angustifolium Torr. & A. Gray -- not accepted
  Desmodium paniculatum var. dillenii (Darl.) Isely -- not accepted
  Desmodium paniculatum var. epetiolatum B.G. Schub. -- accepted -- panicledleaf ticktrefoil
  Desmodium paniculatum var. paniculatum (L.) DC. -- accepted -- panicledleaf ticktrefoil
  Desmodium paniculatum var. pubens Torr. & A. Gray -- not accepted
  Desmodium pauciflorum (Nutt.) DC. -- accepted -- fewflower ticktrefoil, fewflowered tickclover
  Desmodium perplexum B.G. Schub. -- accepted -- perplexed ticktrefoil
  Desmodium polycarpon (Poir.) DC. -- not accepted
  Desmodium procumbens (Mill.) Hitchc. -- accepted -- western trailing ticktrefoil, western trailing tickclover
  Desmodium procumbens var. exiguum (A. Gray) B.G. Schub. -- accepted -- western trailing ticktrefoil, western trailing tick trefoil
  Desmodium procumbens var. procumbens (Mill.) Hitchc. -- accepted -- western trailing ticktrefoil
  Desmodium psilocarpum A. Gray -- accepted -- Santa Cruz Island ticktrefoil, Santa Cruz Island tick trefoil
  Desmodium psilophyllum Schltdl. -- accepted -- simpleleaf ticktrefoil, simple-leaf tick trefoil
  Desmodium purpureum (Mill.) Fawc. & Rendle -- not accepted
  Desmodium retinens Schltdl. -- accepted -- Santa Rita Mountain ticktrefoil, Santa Rita tick trefoil
  Desmodium rhombifolium auct. non (Elliott) DC. -- not accepted
  Desmodium rigidum (Elliott) DC. -- not accepted
  Desmodium rosei B.G. Schub. -- accepted -- Rose's ticktrefoil, rose tickclover
  Desmodium rotundifolium DC. -- accepted -- prostrate ticktrefoil, roundhead tickclover
  Desmodium salicifolium (Poir.) DC. -- accepted
  Desmodium sandwicense E. Mey. -- accepted -- Hawai'i ticktrefoil
  Desmodium scopulorum S. Watson -- accepted -- Sonoran ticktrefoil, Sonoran tick trefoil
  Desmodium scorpiurus (Sw.) Desv. -- accepted -- scorpion ticktrefoil
  Desmodium sericophyllum Schltdl. -- accepted -- ticktrefoil
  Desmodium sessilifolium (Torr.) Torr. & A. Gray -- accepted -- sessileleaf ticktrefoil, sessileleaf tickclover, sessile tickclover
  Desmodium spirale (Sw.) DC. -- not accepted
  Desmodium strictum (Pursh) DC. -- accepted -- pine barren ticktrefoil, pinebarren ticktrefoil
  Desmodium styracifolium (Osbeck) Merr. -- accepted -- coin-leaf desmodium
  Desmodium supinum DC. -- not accepted
  Desmodium sylvaticum Benth. -- not accepted
  Desmodium tenuifolium Torr. & A. Gray -- accepted -- slimleaf ticktrefoil
  Desmodium tiliifolium (D. Don) G. Don -- not accepted
  Desmodium tortuosum (Sw.) DC. -- accepted -- Dixie ticktrefoil, Dixie tick trefoil
  Desmodium triflorum (L.) DC. -- accepted -- threeflower ticktrefoil
  Desmodium tweedyi Britton -- accepted -- Tweedy's ticktrefoil
  Desmodium umbellatum (L.) DC. -- not accepted
  Desmodium uncinatum auct. non (Jacq.) DC. -- not accepted
  Desmodium varians (Labill.) G. Don -- accepted
  Desmodium viridiflorum (L.) DC. -- accepted -- velvetleaf ticktrefoil, velvetleaf tickclover
  Desmodium wigginsii B.G. Schub. -- not accepted
  Desmodium wislizeni Engelm. ex A. Gray -- not accepted
  Desmodium wrightii A. Gray -- not accepted
  Desmodium wydlerianum Urb. -- accepted -- Wydler's ticktrefoil
  Dialium L. -- accepted
  Dialium guineense Willd. -- accepted -- velvet tamarind
  Dichrostachys (DC.) Wight & Arn. -- accepted
  Dichrostachys cinerea (L.) Wight & Arn. -- accepted -- aroma
  Dichrostachys nutans (Pers.) Benth. -- not accepted -- marabu
  Diholcos bisulcatus (Hook.) Rydb. -- not accepted
  Dillwynia Sm. -- accepted
  Dillwynia ericifolia Sm. -- not accepted
  Dillwynia retorta (J.C. Wendl.) Druce -- accepted
  Dioclea Kunth -- accepted
  Dioclea bicolor Benth. -- accepted
  Dioclea hexandra (Roxb.) Mabb. -- not accepted -- bejuco de mato
  Dioclea megacarpa Rolfe -- accepted
  Dioclea multiflora (Torr. & A. Gray) C. Mohr -- accepted -- Boykin's clusterpea
  Dioclea reflexa Hook. f. -- accepted
  Dioclea wilsonii Standl. -- accepted -- Wilson's clusterpea
  Diphysa Jacq. -- accepted
  Diphysa thurberi (A. Gray) Rydb. ex Standl. -- accepted -- Thurber's diphysa
  Dipogon Liebm. -- accepted
  Dipogon lignosus (L.) Verdc. -- accepted -- Okie bean
  Dipteryx Schreb. -- accepted
  Dipteryx odorata (Aubl.) Willd. -- accepted -- tonka bean
  Dipteryx oppositifolia (Aubl.) Willd. -- not accepted
  Ditremexa hirsuta (L.) Britton & Rose ex Britton & P. Wilson -- not accepted
  Ditremexa ligustrina (L.) Raf. -- not accepted
  Ditremexa marilandica (L.) Britton & Rose -- not accepted
  Ditremexa medsgeri (Shafer) Britton & Rose -- not accepted
  Ditremexa occidentalis (L.) Britton & Rose ex Britton & P. Wilson -- not accepted
  Dolicholus erectus (Walter) Vail -- not accepted
  Dolicholus latifolius (Nutt. ex Torr. & A. Gray) Vail -- not accepted
  Dolicholus michauxii (Vail) Vail -- not accepted
  Dolicholus minimus (L.) Medik. -- not accepted
  Dolicholus pyramidalis auct. non (Lam.) Britton & P. Wilson -- not accepted
  Dolicholus reticulatus (Sw.) Millsp. -- not accepted
  Dolicholus simplicifolius (Walter) Vail -- not accepted
  Dolicholus swartzii Vail -- not accepted
  Dolicholus tomentosus (L.) Vail -- not accepted
  Dolichos L. -- accepted
  Dolichos angularis Willd. -- not accepted
  Dolichos axillaris E. Mey. -- not accepted
  Dolichos baumannii Harms -- not accepted
  Dolichos bicolor Hoffmanns. ex Steud. -- not accepted
  Dolichos biflorus L. -- not accepted
  Dolichos biflorus auct. non L. -- not accepted
  Dolichos ensiformis L. -- not accepted
  Dolichos falcatus Klein ex Willd. -- not accepted
  Dolichos formosus Hochst. ex A. Rich. -- not accepted
  Dolichos gladiata Jacq. -- not accepted
  Dolichos hosei Craib -- not accepted
  Dolichos jacquinii DC. -- not accepted
  Dolichos lablab L. -- not accepted
  Dolichos lignosus L. -- not accepted
  Dolichos lobatus Willd. -- not accepted
  Dolichos minimus L. -- not accepted
  Dolichos ornatus Wall. -- not accepted
  Dolichos rosea Sw. -- not accepted
  Dolichos sericeus E. Mey. -- accepted
  Dolichos sericeus ssp. formosus (Hochst. ex A. Rich.) Verdc. -- accepted
  Dolichos sesquipedalis L. -- not accepted
  Dolichos soja L. -- not accepted
  Dolichos stenocarpus Hochst. ex A. Rich. -- not accepted
  Dolichos trilobus L. -- accepted
  Dolichos uniflorus Lam. -- not accepted
  Dorycnium Mill. -- accepted
  Dorycnium germanicum (Gremli) Rouy -- not accepted
  Dorycnium herbaceum Vill. -- not accepted
  Dorycnium hirsutum (L.) Ser. -- accepted -- hairy canary-clover
  Dorycnium intermedium Ledeb. -- not accepted
  Dorycnium pentaphyllum Scop. -- accepted -- socarrillo
  Dorycnium pentaphyllum ssp. germanicum (Gremli) Gams -- accepted
  Dorycnium pentaphyllum ssp. herbaceum (Vill.) Rouy -- accepted
  Dorycnium rectum (L.) Ser. -- accepted
  Drepanocarpus lunatus (L. f.) G. Mey. -- not accepted
  Dussia Krug & Urb. ex Taub. -- accepted
  Dussia discolor (Benth.) Amshoff -- accepted
  Ebenopsis Britton & Rose -- accepted -- Texas ebony
  Ebenopsis confinis (Standl.) Britton & Rose -- accepted
  Ebenopsis ebano (Berland.) Barneby & J.W. Grimes -- accepted -- Texas ebony
  Ebenus L. -- accepted
  Ebenus stellata Boiss. -- accepted
  Ecastaphyllum ecastaphyllum (L.) Britton -- not accepted
  Emelista tora auct. non (L.) Britton & Rose ex Britton & P. Wilson -- not accepted
  Entada Adans. -- accepted -- callingcard vine
  Entada abyssinica Steud. ex A. Rich. -- accepted -- Abyssinia entada
  Entada gigas (L.) Fawc. & Rendle -- accepted -- nicker bean
  Entada phaseoloides (L.) Merr. -- accepted -- St. Thomas bean
  Entada polyphylla Benth. -- not accepted -- callingcard vine
  Entada polystachya (L.) DC. -- accepted -- callingcard vine
  Entada polystachya var. polyphylla (Benth.) Barneby -- accepted -- callingcard vine
  Entada pursaetha DC. -- not accepted
  Entada rheedei Spreng. -- accepted
  Entadopsis polyphylla (Benth.) Britton -- not accepted
  Enterolobium Mart. -- accepted
  Enterolobium contortisiliquum (Vell.) Morong -- accepted -- Pacara earpod tree, earpod tree
  Enterolobium cyclocarpum (Jacq.) Griseb. -- accepted -- monkeysoap
  Eriosema (DC.) Desv. -- accepted -- sand pea
  Eriosema crinitum (Kunth) G. Don -- accepted -- island sand pea
  Eriosema floribundum Benth. -- accepted
  Eriosema jurionianum Staner & De Craene -- accepted
  Eriosema parviflorum E. Mey. -- accepted
  Eriosema polystachyum Baker -- not accepted
  Errazurizia Phil. -- accepted -- dunebroom
  Errazurizia rotundata (Wooton) Barneby -- accepted -- roundleaf dunebroom, round-leaf dune-broom
  Ervum ervilia L. -- not accepted
  Ervum lens L. -- not accepted
  Erythrina L. -- accepted -- coraltrees, koraalbome
  Erythrina abyssinica Lam. ex DC. -- accepted -- vuurpylkoraalboom, red-hot-poker tree, luckybean-tree, northern erythrina, red-hot-poker coraltree, chinimpitipi, munembiti, munhimbiti, munimbiti, mutiti, mutsiti, gombati, munyanyudza, gombati, mutiti, erythrina
  Erythrina arborea Small -- not accepted
  Erythrina berteroana Urb. -- accepted -- machete
  Erythrina caffra Thunb. -- not accepted -- lucky beantree, Cape coraltree, coastal coraltree, coraltree, luckybean-tree, Kaapse koraalboom, kuskoraalboom, Küsten-Korallenbaum, umsintsi, umsinsi, South African coral tree
  Erythrina corallodendron L. -- accepted -- coral erythrina
  Erythrina corallodendron var. connata Krukoff -- accepted -- connate erythrina
  Erythrina corallodendron var. corallodendron L. -- accepted
  Erythrina corallodendrum var. corallodendrum L. -- not accepted
  Erythrina crista-galli L. -- accepted -- cockspur coral tree, crybabytree
  Erythrina eggersii Krukoff & Moldenke -- accepted -- pińon espinoso, cock's spur, pinon espinoso
  Erythrina flabelliformis Kearney -- accepted -- coralbean
  Erythrina fusca Lour. -- accepted -- bucayo
  Erythrina glauca Willd. -- not accepted
  Erythrina herbacea L. -- accepted -- redcardinal, eastern coralbean
  Erythrina horrida Eggers -- not accepted
  Erythrina humeana Spreng. -- accepted -- dwarf erythrina, dwarf coraltree, kleinkoraalboom, mokhupye, umsinsana, umsintsane, utambuki, ikati, umsinsana
  Erythrina indica Lam. -- not accepted
  Erythrina lithosperma Miq. -- not accepted
  Erythrina poeppigiana (Walp.) O.F. Cook -- accepted -- mountain immortelle
  Erythrina princeps A. Dietr. -- not accepted
  Erythrina sandwicensis O. Deg. -- accepted -- wiliwili
  Erythrina sandwicensis var. luteosperma H. St. John -- not accepted
  Erythrina subumbrans (Hassk.) Merr. -- accepted
  Erythrina tahitensis auct. non Nadeaud -- not accepted
  Erythrina variegata L. -- accepted -- tiger's claw
  Erythrina variegata var. orientalis (L.) Merr. -- not accepted -- tiger's claw
  Erythrina viarum Tod. -- not accepted
  Erythrophleum Afzel. ex R. Br. -- accepted -- sasswood
  Erythrophleum guineense G. Don -- not accepted
  Erythrophleum suaveolens (Guill. & Perr.) Brenan -- accepted -- sasswood
  Eysenhardtia Kunth -- accepted -- kidneywood
  Eysenhardtia angustifolia Pennell -- not accepted
  Eysenhardtia orthocarpa (A. Gray) S. Watson -- accepted -- Tahitian kidneywood
  Eysenhardtia polystachya (Ortega) Sarg. -- accepted -- Mexican kidneywood, kidneywood
  Eysenhardtia spinosa Engelm. -- accepted -- spiny kidneywood
  Eysenhardtia texana Scheele -- accepted -- Texas kidneywood
  Faba vulgaris Moench -- not accepted
  Fabaceae -- accepted -- peas, legumes
  Faidherbia A. Chev. -- accepted -- acacia
  Faidherbia albida (Delile) A. Chev. -- accepted -- apple-ring acacia
  Falcata comosa (L.) Kuntze -- not accepted
  Falcata pitcheri (Torr. & A. Gray) Kuntze -- not accepted
  Falcataria (I.C. Nielsen) Barneby & J.W. Grimes -- accepted -- peacocksplume
  Falcataria moluccana (Miq.) Barneby & J.W. Grimes -- accepted -- peacocksplume
  Flemingia Roxb. ex W.T. Aiton -- accepted
  Flemingia strobilifera (L.) W.T. Aiton -- accepted -- wildhops
  Galactia P. Browne -- accepted -- milkpea
  Galactia acapulcensis Rose -- accepted
  Galactia brachypoda Torr. & A. Gray -- not accepted
  Galactia brevipes Small -- not accepted
  Galactia canescens Benth. -- accepted -- hoary milkpea
  Galactia cubensis Kunth -- not accepted
  Galactia dubia DC. -- accepted -- West Indian milkpea
  Galactia eggersii Urb. -- accepted -- Eggers' milkpea
  Galactia elliotii Nutt. -- not accepted
  Galactia elliottii Nutt. -- accepted -- Elliott's milkpea
  Galactia elliottii var. leavenworthii Torr. & A. Gray -- not accepted
  Galactia erecta (Walter) Vail -- accepted -- erect milkpea
  Galactia fasciculata Vail -- not accepted
  Galactia floridana Torr. & A. Gray -- accepted -- Florida milkpea
  Galactia floridana var. longeracemosa Vail -- not accepted
  Galactia floridana var. microphylla Chapm. -- not accepted
  Galactia glabella Michx. -- not accepted
  Galactia grayi Vail -- not accepted
  Galactia heterophylla A. Gray -- accepted -- Gray's milkpea
  Galactia jussiaeana Kunth -- accepted
  Galactia longifolia (Jacq.) Benth. -- accepted -- longleaf milkpea
  Galactia macreei M.A. Curtis -- not accepted
  Galactia marginalis Benth. -- accepted -- edible milkpea
  Galactia microphylla (Chapm.) H.J. Rogers ex D.W. Hall & B.D. Ward -- accepted -- littleleaf milkpea
  Galactia minor W.H. Duncan -- not accepted
  Galactia mississippiensis (Vail) Rydb. -- not accepted
  Galactia mohlenbrockii R.H. Maxwell -- not accepted
  Galactia mollis Michx. -- accepted -- soft milkpea
  Galactia mollis var. nashii Vail -- not accepted
  Galactia parvifolia A. Rich. -- accepted -- small-leaf milkpea
  Galactia pinetorum Small -- accepted -- pineland milkpea
  Galactia prostrata Small -- not accepted
  Galactia regularis (L.) Britton, Sterns & Poggenb. -- accepted -- eastern milkpea
  Galactia smallii H.J. Rogers ex Herndon -- accepted -- Small's milkpea
  Galactia spiciformis Torr. & A. Gray -- not accepted
  Galactia striata (Jacq.) Urb. -- accepted -- Florida hammock milkpea
  Galactia texana (Scheele) A. Gray -- accepted -- Texas milkpea
  Galactia volubilis (L.) Britton -- accepted -- downy milkpea
  Galactia volubilis var. mississippiensis Vail -- not accepted
  Galactia watsoniana W.C. Holmes & Singhurst -- accepted -- Watson's milkpea
  Galactia wrightii A. Gray -- accepted -- Wright's milkpea, Wright milkpea
  Galactia wrightii var. mollissima Kearney & Peebles -- accepted -- Wright's milkpea, Wright milkpea
  Galactia wrightii var. wrightii A. Gray -- accepted -- Wright's milkpea, Wright milkpea
  Galega L. -- accepted -- professor-weed
  Galega caribaea Jacq. -- not accepted
  Galega florida F. Dietr. -- not accepted
  Galega lindblomii (Harms) J.B. Gillett -- accepted
  Galega officinalis L. -- accepted -- professor-weed, professorweed, goat's rue, goatsrue
  Galega spicata Walter -- not accepted
  Gaumerocassia ekmaniana (Urb.) Britton ex Britton & Rose -- not accepted
  Genista L. -- accepted -- broom
  Genista aetnensis (Raf. ex Biv.) DC. -- accepted -- Mt. Etna broom
  Genista canariensis L. -- accepted -- Canary broom
  Genista linifolia L. -- accepted -- Mediterranean broom
  Genista maderensis (Webb & Berthel.) Lowe -- accepted -- Madeira Dyer's greenweed
  Genista monosperma (L.) Lam. -- not accepted
  Genista monspessulana (L.) L.A.S. Johnson -- accepted -- French broom, Cape broom, Montpellier broom
  Genista multibracteata Tausch -- not accepted
  Genista patula M. Bieb. -- not accepted
  Genista stenopetala Webb & Berthel. -- accepted -- leafy broom
  Genista tinctoria L. -- accepted -- dyer's greenweed, woadwaxen, woodwaxen, dyer's broom
  Genista tridentata L. -- accepted
  Genistidium I.M. Johnst. -- accepted -- brushpea
  Genistidium dumosum I.M. Johnst. -- accepted -- brushpea, bush-pea
  Geoffrea inermis W. Wright -- not accepted
  Geoffroea Jacq. -- accepted
  Geoffroea decorticans (Gillies ex Hook. & Arn.) Burkart -- accepted -- chańar
  Geoffroea inermis W. Wright -- not accepted
  Geoprumnon crassicarpum (Nutt.) Rydb. -- not accepted
  Geoprumnon mexicanum (A. DC.) Rydb. -- not accepted
  Geoprumnon plattense (Nutt.) Rydb. -- not accepted
  Geoprumnon succulentum (Richardson) Rydb. -- not accepted
  Geoprumnon tennesseense (A. Gray ex Chapm.) Rydb. -- not accepted
  Gleditsia L. -- accepted -- locust, honeylocust
  Gleditsia aquatica Marshall -- accepted -- water locust, swamp-locust, waterlocust, water honeylocust
  Gleditsia japonica Miq. -- accepted
  Gleditsia japonica var. japonica Miq. -- accepted
  Gleditsia japonica var. koraiensis Nakai -- not accepted
  Gleditsia monosperma Walter -- not accepted
  Gleditsia sinensis Lam. -- accepted
  Gleditsia triacanthos L. -- accepted -- honeylocust, honey-locust, common honeylocust, honey locust
  Gleditsia triacanthos var. inermis (L.) C.K. Schneid. -- not accepted
  Gleditsia triacanthus var. inermis (L.) C.K. Schneid. -- not accepted
  Gleditsia X texana Sarg. (pro. sp.) -- accepted -- Texan locust, Texas honeylocust
  Gliricidia Kunth -- accepted -- quickstick
  Gliricidia sepium (Jacq.) Kunth -- accepted -- quickstick
  Glottidium Desv. -- not accepted
  Glottidium vesicarium (Jacq.) R.M. Harper -- not accepted -- bagpod
  Glycine Willd. -- accepted -- soybean
  Glycine abrus L. -- not accepted
  Glycine apios L. -- not accepted
  Glycine bracteata L. -- not accepted
  Glycine caribaea Jacq. -- not accepted
  Glycine clandestina J.C. Wendl. -- accepted
  Glycine comosa L. -- not accepted
  Glycine falcata Benth. -- accepted
  Glycine gracilis Skvortzov -- not accepted
  Glycine hispida (Moench) Maxim. -- not accepted
  Glycine javanica L. -- not accepted
  Glycine javanica auct. non L. -- not accepted
  Glycine koidzumii Ohwi -- not accepted
  Glycine max (L.) Merr. -- accepted -- soybean, wild soybean, reseeding soybean
  Glycine phaseoloides Sw. -- not accepted
  Glycine priceana (B.L. Rob.) Britton -- not accepted
  Glycine reniformis Pursh -- not accepted
  Glycine reticulata Sw. -- not accepted
  Glycine soja (L.) Merr. -- not accepted -- wild soybean, reseeding soybean
  Glycine subterranea L. -- not accepted
  Glycine tabacina (Labill.) Benth. -- accepted
  Glycine tomentella Hayata -- accepted
  Glycine tomentosa L. -- not accepted
  Glycine ussuriensis Regel & Maack -- not accepted
  Glycine wightii (Wight & Arn.) Verdc. -- not accepted -- perennial soybean
  Glycine wightii var. mearnsii (De Wild.) Verdc. -- not accepted
  Glycyrrhiza L. -- accepted -- licorice
  Glycyrrhiza echinata L. -- accepted -- Chinese licorice, hedgehog liquorice, licorice, regaliz espinoso
  Glycyrrhiza glabra L. -- accepted -- cultivated licorice
  Glycyrrhiza glutinosa Nutt. -- not accepted
  Glycyrrhiza lepidota Pursh -- accepted -- American licorice, licorice, wild licorice
  Glycyrrhiza lepidota var. glutinosa (Nutt.) S. Watson -- not accepted
  Gourliea decorticans Gillies ex Hook. & Arn. -- not accepted
  Guibourtia Benn. -- accepted
  Guibourtia coleosperma (Benth.) J. Léonard -- accepted -- Rhodesian copalwood
  Guilandina bonduc L. -- accepted
  Guilandina crista auct. non (L.) Small -- not accepted
  Guilandina divergens (Urb.) Britton -- not accepted
  Guilandina melanosperma Eggers -- not accepted
  Guilandina ovalifolia (Urb.) Britton -- not accepted
  Guilandina portoricensis Britton & P. Wilson -- accepted
  Gymnocladus Lam. -- accepted -- coffeetree
  Gymnocladus dioicus (L.) K. Koch -- accepted -- Kentucky coffeetree
  Haematoxylum L. -- accepted
  Haematoxylum campechianum L. -- accepted -- bloodwoodtree
  Halimodendron Fisch. ex DC. -- accepted -- salttree, Siberian sandthorn
  Halimodendron halodendron (Pall.) Voss -- not accepted -- common salttree, Russian salttree, Russian salt tree
  Hamosa leptocarpa (Torr. & A. Gray) Rydb. -- not accepted
  Hardenbergia Benth. -- accepted
  Hardenbergia violacea (Schneev.) Stearn -- accepted -- coral-pea, native-lilac, purple coral-pea, vine-lilac
  Havardia Small -- accepted
  Havardia mexicana (Rose) Britton & Rose -- accepted
  Havardia pallens (Benth.) Britton & Rose -- accepted -- haujillo
  Havardia sonorae (S. Watson) Britton & Rose -- accepted
  Hebestigma Urb. -- accepted
  Hebestigma cubense (Kunth) Urb. -- accepted -- false locust
  Hebestigma cubense var. cubense (Kunth) Urb. -- accepted -- false locust
  Hedysarum L. -- accepted -- sweetvetch, sweet vetch
  Hedysarum alpinum L. -- accepted -- alpine sweetvetch
  Hedysarum alpinum ssp. americanum (Michx. ex Pursh) B. Fedtsch. -- not accepted
  Hedysarum alpinum var. americanum Michx. -- not accepted -- American alpine sweetvetch
  Hedysarum alpinum var. grandiflorum Rollins -- not accepted -- alpine sweetvetch
  Hedysarum alpinum var. philoscia (A. Nelson) Rollins -- not accepted -- alpine sweetvetch
  Hedysarum americanum (Michx. ex Pursh) Britton -- not accepted
  Hedysarum arcticum B. Fedtsch. -- accepted
  Hedysarum argenteum M. Bieb. -- not accepted
  Hedysarum biebersteinii Chrtková -- accepted
  Hedysarum boreale Nutt. -- accepted -- Utah sweetvetch, northern sweetvetch, sweetvetch, boreal sweet-vetch, boreal sweetvetch
  Hedysarum boreale ssp. boreale Nutt. -- accepted -- Utah sweetvetch, northern sweetvetch, boreal sweetvetch, boreal sweet-vetch
  Hedysarum boreale ssp. boreale var. boreale Nutt. -- not accepted -- boreal sweetvetch, boreal sweet-vetch
  Hedysarum boreale ssp. boreale var. gremiale (Rollins) Northstrom & S.L. Welsh -- not accepted -- boreal sweetvetch
  Hedysarum boreale ssp. mackenziei (Richardson) S.L. Welsh -- accepted -- northern sweetvetch, boreal sweetvetch, sainfoin boréal variété de Mackenzie
  Hedysarum boreale var. boreale Nutt. -- accepted -- boreal sweetvetch, Utah sweetvetch, northern sweetvetch
  Hedysarum boreale var. cinerascens (Rydb.) Rollins -- not accepted
  Hedysarum boreale var. gremiale (Rollins) Northstrom & S.L. Welsh -- accepted -- boreal sweetvetch, Utah sweetvetch, northern sweetvetch
  Hedysarum boreale var. mackenziei (Richardson) C.L. Hitchc. -- not accepted
  Hedysarum boreale var. obovatum Rollins -- not accepted
  Hedysarum boreale var. pabulare (A. Nelson) Dorn -- not accepted
  Hedysarum boreale var. rivulare (L.O. Williams) Northstrom -- not accepted
  Hedysarum boreale var. typicum Rollins -- not accepted
  Hedysarum boreale var. utahense (Rydb.) Rollins -- not accepted
  Hedysarum candidum M. Bieb. -- accepted
  Hedysarum cinerascens Rydb. -- not accepted
  Hedysarum coronarium L. -- accepted -- sulla
  Hedysarum cyprium Boiss. -- accepted
  Hedysarum flexuosum L. -- accepted
  Hedysarum fruticosum Pall. -- accepted
  Hedysarum fruticosum ssp. mongolicum (Turcz.) B. Fedtsch. -- not accepted
  Hedysarum gemellum Willd. ex Vogel (pro. syn.) -- not accepted
  Hedysarum grandiflorum Walter -- not accepted
  Hedysarum gremiale Rollins -- not accepted
  Hedysarum hamatum var. viscosum L. -- not accepted -- poorman's friend, viscid pencil-flower
  Hedysarum hedysaroides auct. non (L.) Schinz & Thell. -- not accepted -- zulla silvestre, sulla alpina, alpine French-honeysuckle
  Hedysarum humile L. -- accepted
  Hedysarum mackenzei Richardson -- not accepted
  Hedysarum mackenziei Richardson -- not accepted
  Hedysarum mackenziei var. fraseri B. Boivin -- not accepted
  Hedysarum molle Vahl -- not accepted
  Hedysarum mongolicum Turcz. -- not accepted -- sweetvetch
  Hedysarum multijugum Maxim. -- accepted
  Hedysarum occidentale Greene -- accepted -- western sweetvetch
  Hedysarum occidentale var. canone S.L. Welsh -- accepted -- western sweetvetch
  Hedysarum occidentale var. occidentale Greene -- accepted -- western sweetvetch
  Hedysarum onobrychis L. -- not accepted
  Hedysarum pabulare A. Nelson -- not accepted
  Hedysarum pabulare var. rivulare L.O. Williams -- not accepted
  Hedysarum pallens (Moris) Halácsy -- not accepted
  Hedysarum pedunculatum Mill. -- not accepted
  Hedysarum philoscia A. Nelson -- not accepted
  Hedysarum repens L. -- not accepted
  Hedysarum scoparium Fisch. & C.A. Mey. -- accepted -- sweetvetch
  Hedysarum sibiricum Poir. -- not accepted
  Hedysarum spinosissimum L. -- accepted
  Hedysarum sulphurescens Rydb. -- accepted -- white sweetvetch
  Hedysarum tauricum Pall. ex Willd. -- accepted
  Hedysarum truncatum Eastw. -- not accepted
  Hedysarum uintahense A. Nelson -- not accepted
  Hedysarum utahense Rydb. -- not accepted
  Hedysarum varium Willd. -- accepted
  Hedysarum vicioides Turcz. -- accepted
  Hedysarum violaceum L. -- not accepted
  Herpetica alata (L.) Raf. -- not accepted
  Hippocrepis L. -- accepted
  Hippocrepis bicontorta Loisel. -- accepted
  Hippocrepis bourgaei Nyman -- not accepted
  Hippocrepis commutata Pau -- not accepted
  Hippocrepis comosa L. -- accepted -- horseshoe vetch
  Hippocrepis emerus (L.) Lassen -- accepted
  Hippocrepis emerus ssp. emeroides (Boiss. & Spruner) Greuter & Burdet ex Lassen -- not accepted
  Hippocrepis glauca Ten. -- accepted
  Hippocrepis multisiliquosa L. -- accepted
  Hippocrepis salzmannii Boiss. & Reut. -- accepted
  Hippocrepis scabra DC. -- accepted
  Hippocrepis unisiliquosa L. -- accepted
  Hoffmannseggia Cav. -- accepted -- rushpea
  Hoffmannseggia brachycarpa A. Gray -- not accepted
  Hoffmannseggia caudata A. Gray -- not accepted
  Hoffmannseggia densiflora Benth. -- not accepted -- pignut
  Hoffmannseggia densiflora var. capitata Fisher -- not accepted
  Hoffmannseggia densiflora var. demissa (A. Gray) Fisher -- not accepted
  Hoffmannseggia densiflora var. pringlei Fisher -- not accepted
  Hoffmannseggia densiflora var. stricta (Benth.) Fisher -- not accepted
  Hoffmannseggia drepanocarpa A. Gray -- accepted -- sicklepod holdback
  Hoffmannseggia drummondii Torr. & A. Gray -- accepted -- dwarf nicker
  Hoffmannseggia falcaria Cav. -- not accepted
  Hoffmannseggia falcaria var. capitata Fisher -- not accepted -- Indian rushpea, hog potato
  Hoffmannseggia falcaria var. demissa (A.Gray) Fisher -- not accepted -- Indian rushpea, hog potato
  Hoffmannseggia falcaria var. pringlei Fisher -- not accepted -- Indian rushpea, hog potato
  Hoffmannseggia falcaria var. stricta (Benth.) Fisher -- not accepted -- Indian rushpea, hog potato
  Hoffmannseggia glauca (Ortega) Eifert -- accepted -- Indian rushpea, hog potato, pignut, shoestring weed
  Hoffmannseggia jamesii Torr. & A. Gray -- not accepted
  Hoffmannseggia melanosticta (S. Schauer) A. Gray -- not accepted
  Hoffmannseggia microphylla Torr. -- accepted -- wand holdback
  Hoffmannseggia oxycarpa Benth. -- accepted -- sharppod rushpea
  Hoffmannseggia oxycarpa ssp. oxycarpa Benth. -- accepted -- sharppod rushpea
  Hoffmannseggia parryi (Fisher) B.L. Turner -- not accepted
  Hoffmannseggia repens (Eastw.) Cockerell -- accepted -- creeping nicker, creeping rush-pea
  Hoffmannseggia tenella Tharp & L.O. Williams -- accepted -- slender rushpea, slender rush-pea
  Hoffmanseggia Cav. -- not accepted
  Hoffmanseggia drepanocarpa A. Gray -- not accepted
  Hoffmanseggia glauca (Ortega) Eifert -- not accepted
  Hoffmanseggia oxycarpa Benth. -- not accepted
  Hoffmanseggia repens (Eastw.) Cockerell -- not accepted
  Hoffmanseggia tenella Tharp & L.O. Williams -- not accepted -- slender rush-pea
  Hoita Rydb. -- accepted -- leather-root
  Hoita hallii Rydb. -- not accepted
  Hoita longiloba Rydb. -- not accepted
  Hoita macrostachya (DC.) Rydb. -- accepted -- large leather-root
  Hoita orbicularis (Lindl.) Rydb. -- accepted -- roundleaf leather-root
  Hoita rhomboidea Rydb. -- not accepted
  Hoita strobilina (Hook. & Arn.) Rydb. -- accepted -- Loma prieta
  Hoita villosa Greene -- not accepted
  Holcophacos distortus (Torr. & A. Gray) Rydb. -- not accepted
  Homalobus caespitosus Nutt. -- not accepted
  Homalobus campestris Nutt. -- not accepted
  Homalobus tenellus (Pursh) Britton -- not accepted
  Homalobus vexilliflexus (Sheldon) Rydb. -- not accepted
  Hosackia Douglas ex Benth. -- accepted
  Hosackia alamosana Rose -- accepted -- Sonoran bird's-foot trefoil
  Hosackia americana (Nutt.) Piper -- not accepted
  Hosackia argophylla A. Gray -- not accepted
  Hosackia argophylla var. decora I.M. Johnst. -- not accepted
  Hosackia argyraea Greene -- not accepted
  Hosackia brachycarpa Benth. -- not accepted
  Hosackia crassifolia Benth. -- accepted -- big deervetch
  Hosackia crassifolia var. crassifolia Benth. -- accepted -- big deervetch
  Hosackia crassifolia var. otayensis (Moran ex Isely) Brouillet -- accepted -- big deervetch
  Hosackia cuprea (Greene) Smiley -- not accepted
  Hosackia cystoides Benth. -- not accepted
  Hosackia decumbens Benth. -- not accepted
  Hosackia dendroidea (Greene) Abrams -- not accepted
  Hosackia denticulata Drew -- not accepted
  Hosackia fremontii (A. Gray) Abrams -- not accepted
  Hosackia glabra (Vogel) Torr. -- not accepted
  Hosackia glabra var. brevialata (Ottley) Abrams -- not accepted
  Hosackia gracilis Benth. -- accepted -- seaside bird's-foot trefoil
  Hosackia grandiflora Benth. -- not accepted
  Hosackia haydonii Orcutt -- not accepted
  Hosackia humilis (Greene) Abrams -- not accepted
  Hosackia incana Torr. -- accepted -- woolly bird's-foot trefoil
  Hosackia juncea Benth. -- not accepted
  Hosackia lathyroides Durand & Hilg. -- not accepted
  Hosackia leucophaea (Greene) Abrams -- not accepted
  Hosackia maritima Nutt. -- not accepted
  Hosackia nevadensis (S. Watson) Parish -- not accepted
  Hosackia nivea (Greene) S. Watson -- not accepted
  Hosackia oblongifolia Benth. -- accepted -- streambank bird's-foot trefoil
  Hosackia oblongifolia var. cuprea (Greene) Ottley -- accepted -- streambank bird's-foot trefoil
  Hosackia oblongifolia var. oblongifolius Benth. -- accepted -- streambank bird's-foot trefoil
  Hosackia ornithopa Greene -- not accepted
  Hosackia ornithopa ssp. venusta (Eastw.) Abrams -- not accepted
  Hosackia parviflora Benth. -- not accepted
  Hosackia pinnata (Hook.) Abrams -- accepted -- meadow bird's-foot trefoil
  Hosackia prostrata Nutt. -- not accepted
  Hosackia puberula var. nana A. Gray -- not accepted
  Hosackia rigida Benth. -- not accepted
  Hosackia rosea Eastw. -- accepted -- rosy bird's-foot trefoil
  Hosackia rubella Nutt. -- not accepted
  Hosackia sericea Benth. -- not accepted
  Hosackia sericea ssp. jepsonii (Ottley) Abrams -- not accepted
  Hosackia stipularis Benth. -- accepted -- balsam bird's-foot trefoil
  Hosackia stipularis ssp. balsamifera (Kellogg) Abrams -- not accepted
  Hosackia stipularis var. ottleyi (Isely) Brouillet -- accepted -- Ottley's bird's-foot trefoil
  Hosackia stipularis var. stipularis Benth. -- accepted -- balsam bird's-foot trefoil
  Hosackia strigosa Nutt. -- not accepted
  Hosackia strigosa var. hirtella (Greene) H.M. Hall -- not accepted
  Hosackia subpinnata auct. non (Lag.) Torr. & A. Gray -- not accepted
  Hosackia sulphurea Abrams -- not accepted
  Hosackia tomentella (Greene) Brand -- not accepted
  Hosackia tomentosa Hook. & Arn. -- not accepted
  Hosackia tomentosa ssp. glabriuscula (Hook. & Arn.) Abrams -- not accepted
  Hosackia torreyi A. Gray -- not accepted
  Hosackia wrightii A. Gray -- not accepted
  Hosackia wrightii ssp. multicaulis (Ottley) Abrams -- not accepted
  Hosackia wrightii var. multicaulis Ottley -- not accepted
  Hosackia yollabolliensis (Munz) D.D. Sokoloff -- accepted -- Yolla Bolly bird's-foot trefoil
  Hymenaea L. -- accepted
  Hymenaea courbaril L. -- accepted -- stinkingtoe
  Hymenaea verrucosa Gaertn. -- accepted -- East African copal
  Hymenocarpos Savi -- accepted
  Hymenocarpos circinnatus (L.) Savi -- accepted
  Ichthyomethia piscipula (L.) Hitchc. -- not accepted
  Indigofera L. -- accepted -- indigo
  Indigofera amblyantha Craib -- accepted
  Indigofera arrecta Hochst. ex A. Rich. -- accepted -- Natal indigo
  Indigofera atriceps Hook. f. -- accepted
  Indigofera atriceps ssp. ramosa (Cronquist) J.B. Gillett -- accepted
  Indigofera australis Willd. -- accepted -- Australian indigo
  Indigofera caroliniana Mill. -- accepted -- Carolina indigo
  Indigofera circinella Baker f. -- accepted
  Indigofera colutea (Burm. f.) Merr. -- accepted -- rusty indigo
  Indigofera cordifolia B. Heyne ex Roth -- accepted
  Indigofera cryptantha Benth. ex Harv. -- accepted
  Indigofera decora Lindl. -- accepted -- Chinese indigo
  Indigofera dosua Buch.-Ham. ex D. Don -- accepted
  Indigofera echinata Willd. -- not accepted
  Indigofera endecaphylla Jacq. ex Poir. -- not accepted
  Indigofera flavicans Baker -- accepted
  Indigofera glandulosa J.C. Wendl. -- accepted
  Indigofera guatemalensis Moc. & Sessé ex Prain & Backer -- not accepted -- Guatemalan indigo
  Indigofera hendecaphylla Jacq. -- accepted -- trailing indigo, creeping indigo
  Indigofera hirsuta L. -- accepted -- roughhairy indigo
  Indigofera hochstetteri Baker -- accepted
  Indigofera jamaicensis Spreng. -- not accepted
  Indigofera keyensis Small -- not accepted
  Indigofera kirilowii Maxim. ex Palib. -- accepted -- Kirilow's indigo
  Indigofera kirilowii var. coreana Craib -- not accepted
  Indigofera leptosepala Nutt. ex Torr. & A. Gray -- not accepted
  Indigofera lindheimeriana Scheele -- accepted -- Lindheimer's indigo
  Indigofera macrostachya Bunge -- not accepted
  Indigofera miniata Ortega -- accepted -- coastal indigo, western indigo
  Indigofera miniata var. florida Isely -- not accepted -- Florida indigo
  Indigofera miniata var. leptosepala (Nutt. ex Torr. & A. Gray) B.L. Turner -- not accepted -- western indigo
  Indigofera miniata var. miniata Ortega -- not accepted -- coastal indigo
  Indigofera miniata var. texana (Buckley) B.L. Turner -- not accepted -- Texas indigo
  Indigofera mucronata Spreng. ex DC. -- not accepted
  Indigofera mucronata var. keyensis (Small) Isely -- not accepted -- Florida indigo
  Indigofera neglecta N.E. Br. -- not accepted
  Indigofera nummulariifolia (L.) Livera ex Alston -- accepted
  Indigofera oxycarpa Desv. -- accepted -- Asian indigo
  Indigofera parodiana Burkart -- accepted
  Indigofera parviflora B. Heyne ex Wight & Arn. -- accepted -- smallflower indigo
  Indigofera patens Eckl. & Zeyh. -- not accepted
  Indigofera pilosa Poir. -- accepted -- softhairy indigo
  Indigofera praticola Baker f. -- accepted
  Indigofera pretoriana Harms -- accepted
  Indigofera pseudotinctoria Matsum. -- accepted
  Indigofera ramosa Cronquist -- not accepted
  Indigofera rautanenii Baker f. -- accepted
  Indigofera retroflexa Baill. -- not accepted
  Indigofera schimperi Jaub. & Spach -- accepted
  Indigofera schinzii N.E. Br. -- accepted
  Indigofera sessilifolia DC. -- accepted
  Indigofera sphaerocarpa A. Gray -- accepted -- Sonoran indigo, Sonoran indigobush
  Indigofera spicata Forssk. -- accepted
  Indigofera subulata Vahl ex Poir. -- not accepted
  Indigofera suffruticosa Mill. -- accepted -- anil de pasto, indigobush
  Indigofera sumatrana Gaertn. -- not accepted
  Indigofera teysmannii Miq. -- not accepted
  Indigofera tinctoria L. -- accepted -- true indigo
  Indigofera trifoliata L. -- accepted -- threeleaf indigo
  Indigofera trita L. f. -- accepted -- Asian indigo
  Indigofera trita ssp. scabra (Roth) de Kort & G. Thijsse -- accepted
  Indigofera trita ssp. subulata (Vahl ex Poir.) Ali -- accepted -- Asian indigo
  Indigofera trita var. keyensis (Small) Kartesz & Gandhi -- not accepted -- Asian indigo
  Indigofera zollingeriana Miq. -- accepted -- Zollinger's indigo
  Inga Mill. -- accepted
  Inga edulis Mart. -- accepted -- icecreambean
  Inga fagifolia (L.) Willd. ex Benth. -- not accepted
  Inga fastuosa (Jacq.) Willd. -- accepted
  Inga inga (L.) Britton -- not accepted
  Inga ingoides (Rich.) Willd. -- accepted -- icecream bean
  Inga laurina (Sw.) Willd. -- accepted -- sacky sac bean
  Inga nobilis Willd. -- accepted -- guama venezolano
  Inga nobilis ssp. quaternata (Poepp. & Endl.) T.D. Penn. -- accepted -- guama venezolano
  Inga quaternata Poepp. & Endl. -- not accepted -- guama venezolano
  Inga vera Willd. -- accepted -- river koko
  Inocarpus J.R. Forst. & G. Forst. -- accepted
  Inocarpus fagifer (Parkinson) Fosberg -- accepted
  Intsia Thouars -- accepted
  Intsia bijuga (Colebr.) Kuntze -- accepted -- ifil
  Isandrina emarginata (L.) Britton & Rose -- not accepted
  Kanaloa Lorence & K.R. Wood -- accepted -- kanaloa
  Kanaloa kahoolawensis Lorence & K.R. Wood -- accepted -- kanaloa
  Kennedia Vent. -- accepted
  Kennedia nigricans Lindl. -- accepted -- black coral-pea, black-bean
  Kennedia prostrata R. Br. -- accepted -- running-postman, scarlet coral-pea
  Kennedia rubicunda (Schneev.) Vent. -- accepted
  Kentrophyta montana Nutt. -- not accepted
  Kerstingiella geocarpa Harms -- not accepted
  Kraunhia floribunda (Willd.) Taub. -- not accepted
  Kraunhia frutescens (L.) Greene -- not accepted
  Kraunhia macrostachya (Torr. & A. Gray) Small -- not accepted
  Kuhnia pinnata J.F. Gmel. -- not accepted
  Kuhnistera adenopoda Rydb. -- not accepted
  Kuhnistera gattingeri A. Heller -- not accepted
  Kuhnistera pinnata (J.F. Gmel.) Kuntze -- not accepted
  Kuhnistera truncata Small -- not accepted
  Kummerowia Schindl. -- accepted
  Kummerowia stipulacea (Maxim.) Makino -- accepted -- Korean clover, Korean lespedeza
  Kummerowia striata (Thunb.) Schindl. -- accepted -- Japanese clover
  Lablab Adans. -- accepted
  Lablab niger Medik. -- not accepted
  Lablab purpureus (L.) Sweet -- accepted -- hyacinthbean
  Lablab vulgaris Savi -- not accepted
  Laburnum Fabr. -- accepted -- golden chain tree
  Laburnum alpinum (Mill.) J. Presl -- accepted -- Scotch laburnum
  Laburnum anagyroides Medik. -- accepted -- golden chain tree
  Laburnum X watereri (Wettst.) Dippel -- accepted
  Larrea glauca Ortega -- not accepted
  Larrea wootonii Britton -- not accepted -- Wooton's holdback
  Lathyrus L. -- accepted -- sweet pea, vetchling, peavine, pea
  Lathyrus alefeldii T.G. White -- not accepted
  Lathyrus alpestris (Waldst. & Kit.) Kit. -- accepted
  Lathyrus americanus Houst. ex Mill. -- not accepted
  Lathyrus angulatus L. -- accepted -- angled pea
  Lathyrus annuus L. -- accepted -- annual vetchling, cicércula anual
  Lathyrus aphaca L. -- accepted -- yellow pea
  Lathyrus arizonicus Britton -- not accepted
  Lathyrus articulatus L. -- not accepted
  Lathyrus biflorus T.W. Nelson & J.P. Nelson -- accepted -- twoflower pea, two-flowered lathyrus
  Lathyrus bijugatus T.G. White -- not accepted -- drypark pea
  Lathyrus bijugatus var. sandbergii T.G. White -- not accepted
  Lathyrus bolanderi S. Watson -- not accepted
  Lathyrus brachycalyx Rydb. -- accepted -- Bonneville pea, Bonneville vetchling, Bonneville peavine, Rydberg's peavine
  Lathyrus brachycalyx ssp. brachycalyx Rydb. -- not accepted -- Bonneville pea, Bonneville peavine
  Lathyrus brachycalyx ssp. eucosmus (Butters & H. St. John) S.L. Welsh -- not accepted
  Lathyrus brachycalyx ssp. zionis (C.L. Hitchc.) S.L. Welsh -- not accepted -- bush pea, bush peavine
  Lathyrus brachycalyx var. brachycalyx Rydb. -- accepted -- Bonneville pea
  Lathyrus brachycalyx var. eucosmus (Butters & H. St. John) S.L. Welsh -- not accepted
  Lathyrus brachycalyx var. zionis (C.L. Hitchc.) S.L. Welsh -- accepted -- bush pea
  Lathyrus brownii Eastw. -- accepted -- Brown's pea
  Lathyrus canescens (L. f.) Gren. & Godr. -- not accepted
  Lathyrus chloranthus Boiss. -- accepted
  Lathyrus cicera L. -- accepted -- red pea
  Lathyrus clymenum L. -- accepted -- cicercha purpurina, Spanish vetchling
  Lathyrus cusickii S. Watson -- not accepted
  Lathyrus decaphyllus Pursh -- not accepted
  Lathyrus delnorticus C.L. Hitchc. -- accepted -- Del Norte pea
  Lathyrus erectus Lag. -- not accepted
  Lathyrus eucosmus Butters & H. St. John -- accepted -- bush vetchling, bush peavine
  Lathyrus filiformis (Lam.) J. Gay -- accepted
  Lathyrus glandulosus Broich -- accepted -- redwood pea, sticky pea
  Lathyrus gorgoni Parl. -- accepted
  Lathyrus graminifolius (S. Watson) T.G. White -- accepted -- grassleaf pea, grassleaf peavine
  Lathyrus grimesii Barneby -- accepted -- Grimes' pea, Grimes' peavine, Grimes vetchling
  Lathyrus hirsutus L. -- accepted -- Caley pea, Singletary pea
  Lathyrus hitchcockianus Barneby & Reveal -- accepted -- Bullfrog Mountain pea, Hitchcock's sweet pea, Hitchcock's peavine, Bullfrog Mountain wild pea
  Lathyrus holochlorus (Piper) C.L. Hitchc. -- accepted -- thinleaf pea
  Lathyrus hygrophilus Taub. -- accepted
  Lathyrus incanus (J.G. Sm. & Rydb.) Rydb. -- not accepted
  Lathyrus inconspicuus L. -- accepted -- inconspicuous pea
  Lathyrus japonicus Willd. -- accepted -- beach pea
  Lathyrus japonicus ssp. maritimus (L.) P.W. Ball -- not accepted
  Lathyrus japonicus var. acutifolius (Bab.) Bässler -- accepted
  Lathyrus japonicus var. aleuticus (Greene ex T.G. White) Fernald -- not accepted
  Lathyrus japonicus var. glaber (Ser.) Fernald -- not accepted
  Lathyrus japonicus var. japonicus Willd. -- accepted -- beach pea
  Lathyrus japonicus var. maritimus (L.) Kartesz & Gandhi -- accepted -- beach pea
  Lathyrus japonicus var. parviflorus Fassett -- accepted -- smallflower beach pea
  Lathyrus japonicus var. pellitus Fernald -- accepted -- beach pea
  Lathyrus japonicus var. pubescens (Hartm.) T. Karlsson -- accepted -- downy beach pea
  Lathyrus jepsonii Greene -- accepted -- Delta tule pea, Jepson's sweet pea
  Lathyrus jepsonii ssp. californicus (S. Watson) C.L. Hitchc. -- not accepted -- California pea
  Lathyrus jepsonii ssp. jepsonii Greene -- not accepted -- Delta tule-pea
  Lathyrus jepsonii var. californicus (S. Watson) Hoover -- accepted -- California pea
  Lathyrus jepsonii var. jepsonii Greene -- accepted -- Delta tule pea
  Lathyrus kilimandsharicus Taub. -- not accepted
  Lathyrus laetiflorus Greene -- not accepted
  Lathyrus laetiflorus ssp. alefeldii (T.G. White) Bradshaw -- not accepted
  Lathyrus laetiflorus ssp. barbarae (T.G. White) C.L. Hitchc. -- not accepted
  Lathyrus laetiflorus ssp. glaber C.L. Hitchc. -- not accepted
  Lathyrus laetiflorus var. alefeldii (T.G. White) Jeps. -- not accepted
  Lathyrus laetiflorus var. laetiflorus Greene -- not accepted
  Lathyrus laetivirens Greene ex Rydb. -- accepted -- aspen pea, aspen vetchling, aspen peavine, plateau peavine
  Lathyrus lanceolatus Howell -- not accepted
  Lathyrus lanszwertii Kellogg -- accepted -- Nevada pea, Lanszwert's vetchling, thickleaf peavine, Nevada peavine
  Lathyrus lanszwertii ssp. aridus (Piper) Bradshaw -- not accepted
  Lathyrus lanszwertii var. aridus (Piper) Jeps. -- accepted -- Nevada pea
  Lathyrus lanszwertii var. arizonicus (Britton) S.L. Welsh -- not accepted
  Lathyrus lanszwertii var. brownii (Eastw.) Jeps. -- not accepted -- Brown's pea, Brown's peavine
  Lathyrus lanszwertii var. laetivirens (Greene ex Rydb.) S.L. Welsh -- not accepted
  Lathyrus lanszwertii var. lanszwertii Kellogg -- accepted -- Lanszwert's pea, Lanszwert's peavine
  Lathyrus lanszwertii var. leucanthus (Rydb.) Dorn -- accepted -- Nevada pea, aspen peavine, Arizona peavine
  Lathyrus lanszwertii var. pallescens Barneby -- accepted -- Nevada pea, Nevada peavine
  Lathyrus lanszwertii var. sandbergii (T.G. White) Broich -- accepted -- drypark pea
  Lathyrus lanszwertii var. tracyi (Bradshaw) Isely -- not accepted -- Tracy's pea
  Lathyrus latifolius L. -- accepted -- perennial pea, everlasting-pea, everlasting peavine, perennial peavine, perennial sweetpea
  Lathyrus latifolius var. splendens Groenland & Rümpler -- not accepted
  Lathyrus leucanthus Rydb. -- not accepted
  Lathyrus leucanthus var. laetivirens (Greene ex Rydb.) C.L. Hitchc. -- not accepted
  Lathyrus linearis Nutt. -- not accepted
  Lathyrus linifolius (Reichard) Bässler -- accepted
  Lathyrus littoralis (Nutt.) Endl. ex Walp. -- accepted -- silky beach pea, Gray beach pea
  Lathyrus longipes T.G. White -- not accepted -- longstem peavine
  Lathyrus magellanicus Lam. -- accepted
  Lathyrus maritimus (L.) Bigelow -- not accepted
  Lathyrus maritimus ssp. pubescens (Hartm.) C. Regel -- not accepted
  Lathyrus maritimus var. glaber (Ser.) Eames -- not accepted
  Lathyrus maritimus var. pellitus (Fernald) Gleason -- not accepted
  Lathyrus montanus Bernh. -- not accepted
  Lathyrus myrtifolius Muhl. ex Willd. -- not accepted
  Lathyrus nevadensis S. Watson -- accepted -- Sierra pea
  Lathyrus nevadensis ssp. cusickii (S. Watson) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus (Howell) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. nuttallii (S. Watson) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. parkeri (H. St. John) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. pilosellus (M. Peck) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. puniceus C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. nevadensis S. Watson -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. stipulaceus (T.G. White) Bradshaw -- not accepted
  Lathyrus nevadensis var. cusickii (S. Watson) Broich -- accepted -- Sierra pea
  Lathyrus nevadensis var. nevadensis S. Watson -- accepted -- Sierra pea, wild pea
  Lathyrus nevadensis var. nuttallii (S. Watson) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis var. parkeri (H. St. John) C.L. Hitchc. -- accepted -- Sierra pea
  Lathyrus nevadensis var. pilosellus (M. Peck) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis var. puniceus C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus niger (L.) Bernh. -- accepted
  Lathyrus nissolia L. -- accepted -- grass pea
  Lathyrus nuttallii S. Watson -- not accepted
  Lathyrus ochroleucus Hook. -- accepted -- cream pea, cream peavine, pale vetchling peavine
  Lathyrus ochropetalus Piper -- not accepted
  Lathyrus ochrus (L.) DC. -- accepted -- Cyprus-vetch, ochrus-vetch, alverjana, tapisote
  Lathyrus odoratus L. -- accepted -- sweetpea
  Lathyrus oreophilus Wooton & Standl. -- not accepted
  Lathyrus oreophyllus Wooton & Standl. -- not accepted
  Lathyrus ornatus Nutt. -- not accepted
  Lathyrus palustris L. -- accepted -- marsh pea, marsh vetchling
  Lathyrus palustris ssp. pilosus (Cham.) Hultén -- not accepted
  Lathyrus palustris var. linearifolius Ser. -- not accepted
  Lathyrus palustris var. macranthus (T.G. White) Fernald -- not accepted
  Lathyrus palustris var. meridionalis Butters & H. St. John -- not accepted
  Lathyrus palustris var. myrtifolius (Muhl. ex Willd.) A. Gray -- not accepted
  Lathyrus palustris var. pilosus (Cham.) Ledeb. -- not accepted
  Lathyrus palustris var. retusus Fernald & H. St. John -- not accepted
  Lathyrus parviflorus S. Watson -- accepted
  Lathyrus pauciflorus Fernald -- accepted -- fewflower pea, few-flower vetchling
  Lathyrus pauciflorus ssp. brownii (Eastw.) Piper -- not accepted
  Lathyrus pauciflorus ssp. utahensis (M.E. Jones) Piper -- not accepted
  Lathyrus pauciflorus var. pauciflorus Fernald -- accepted -- fewflower pea
  Lathyrus pauciflorus var. tenuior (Piper) H. St. John -- not accepted
  Lathyrus pauciflorus var. utahensis (M.E. Jones) R.J. Davis -- accepted -- Utah pea, Utah peavine
  Lathyrus peckii Piper -- not accepted
  Lathyrus polymorphus Nutt. -- accepted -- manystem pea, manystem peavine
  Lathyrus polymorphus ssp. incanus (J.G. Sm. & Rydb.) C.L. Hitchc. -- not accepted -- hoary pea, hoary vetchling
  Lathyrus polymorphus ssp. polymorphus Nutt. -- not accepted -- manystem pea, manystem peavine
  Lathyrus polymorphus ssp. polymorphus var. hapemanii (A. Nelson) C.L. Hitchc. -- not accepted -- manystem pea
  Lathyrus polymorphus ssp. polymorphus var. polymorphus Nutt. -- not accepted -- manystem pea, manystem peavine
  Lathyrus polymorphus var. hapemanii (A. Nelson) C.L. Hitchc. -- not accepted -- manystem pea
  Lathyrus polymorphus var. incanus (J.G. Sm. & Rydb.) Dorn -- accepted -- hoary pea
  Lathyrus polymorphus var. polymorphus Nutt. -- accepted -- manystem pea
  Lathyrus polyphyllus Nutt. -- accepted -- leafy pea, Oregon pea
  Lathyrus polyphyllus var. insecundus Jeps. -- not accepted
  Lathyrus pratensis L. -- accepted -- meadow pea
  Lathyrus pseudocicera Pamp. -- accepted
  Lathyrus puberulus T.G. White ex Greene -- not accepted
  Lathyrus pubescens Hook. & Arn. -- accepted
  Lathyrus pusillus Elliott -- accepted -- tiny pea, singletary vetchling, low peavine
  Lathyrus quercetorum A. Heller -- not accepted
  Lathyrus rigidus T.G. White -- accepted -- stiff pea, stiff peavine
  Lathyrus roseus Steven -- accepted
  Lathyrus sativus L. -- accepted -- white pea
  Lathyrus schaffneri Rydb. -- not accepted
  Lathyrus sphaericus Retz. -- accepted -- grass pea
  Lathyrus splendens Kellogg -- accepted -- pride of California
  Lathyrus stipulaceus (Pursh) Butters & H. St. John -- not accepted
  Lathyrus stipulaceus var. incanus (J.G. Sm. & Rydb.) Butters & H. St. John -- not accepted
  Lathyrus strictus Nutt. -- not accepted
  Lathyrus strictus var. barbarae (T.G. White) Jeps. -- not accepted
  Lathyrus strictus var. thacherae Jeps. -- not accepted
  Lathyrus sulphureus W.H. Brewer ex A. Gray -- accepted -- snub pea, sulfur pea
  Lathyrus sulphureus var. argillaceus Jeps. -- accepted -- snub pea
  Lathyrus sulphureus var. sulphureus W.H. Brewer ex A. Gray -- accepted -- snub pea
  Lathyrus sylvestris L. -- accepted -- flat pea
  Lathyrus szowitsii Boiss. -- accepted
  Lathyrus tingitanus L. -- accepted -- Tangier pea
  Lathyrus torreyi A. Gray -- accepted -- Torrey's pea
  Lathyrus tracyi Bradshaw -- accepted -- Tracy's pea
  Lathyrus tuberosus L. -- accepted -- tuberous sweetpea, earth-nut pea
  Lathyrus venetus (Mill.) Wohlf. -- accepted
  Lathyrus venosus Muhl. ex Willd. -- accepted -- veiny pea, bushy vetchling, veiny peavine
  Lathyrus venosus ssp. arkansanus (Fassett) C.L. Hitchc. -- not accepted
  Lathyrus venosus var. arkansanus Fassett -- accepted -- veiny pea
  Lathyrus venosus var. grandiflorus Torr. -- not accepted
  Lathyrus venosus var. intonsus Butters & H. St. John -- accepted -- veiny pea, gesse veinée variété hirsute
  Lathyrus venosus var. meridionalis Butters & H. St. John -- not accepted
  Lathyrus venosus var. venosus Muhl. ex Willd. -- accepted -- veiny pea
  Lathyrus vernus (L.) Bernh. -- accepted -- spring vetch
  Lathyrus vestitus Nutt. -- accepted -- Pacific pea
  Lathyrus vestitus ssp. alefeldii (T.G. White) Broich -- not accepted -- Alefeld's pea
  Lathyrus vestitus ssp. bolanderi (S. Watson) C.L. Hitchc. -- not accepted -- Bolander's pea
  Lathyrus vestitus ssp. laetiflorus (Greene) Broich -- not accepted -- Pacific pea
  Lathyrus vestitus ssp. laevicarpus Broich -- not accepted -- Pacific pea
  Lathyrus vestitus ssp. ochropetalus (Piper) C.L. Hitchc. -- not accepted
  Lathyrus vestitus ssp. puberulus (T.G. White ex Greene) C.L. Hitchc. -- not accepted
  Lathyrus vestitus ssp. vestitus Nutt. -- not accepted -- Pacific pea
  Lathyrus vestitus var. alefeldii (T.G. White) Isely -- accepted -- Alefeld's pea
  Lathyrus vestitus var. ochropetalus (Piper) Isely -- accepted -- white-flowered Pacific pea
  Lathyrus vestitus var. vestitus Nutt. -- accepted -- Pacific pea, wild pea
  Lathyrus vestitus var. violaceus (Greene) Abrams -- not accepted
  Lathyrus violaceus Greene -- not accepted
  Lathyrus violaceus var. barbarae T.G. White -- not accepted
  Lathyrus watsonii T.G. White -- not accepted
  Lathyrus whitei Kupicha -- accepted
  Lathyrus zionis C.L. Hitchc. -- not accepted
  Lebeckia Thunb. -- accepted
  Lebeckia multiflora E. Mey. -- accepted
  Lens Mill. -- accepted -- lentil
  Lens culinaris Medik. -- accepted -- lentil
  Lens esculenta Moench -- not accepted
  Leptoglottis angustisiliqua Britton & Rose -- not accepted
  Leptoglottis chapmanii Small ex Britton & Rose -- not accepted
  Leptoglottis floridana (Chapm.) Small ex Britton & Rose -- not accepted
  Leptoglottis hystricina Small ex Britton & Rose -- not accepted
  Leptoglottis microphylla (Dryand.) Britton & Rose -- not accepted
  Leptoglottis nelsonii Britton & Rose -- not accepted
  Leptoglottis nuttallii DC. ex Britton & Rose -- not accepted
  Leptoglottis occidentalis (Wooton & Standl.) Britton & Rose -- not accepted
  Lespedeza Michx. -- accepted
  Lespedeza angustifolia (Pursh) Elliott -- accepted -- narrowleaf lespedeza
  Lespedeza angustifolia var. brevifolia Britton -- not accepted
  Lespedeza bicknellii House -- not accepted
  Lespedeza bicolor Turcz. -- accepted -- shrub lespedeza, shrubby lespedeza
  Lespedeza capitata Michx. -- accepted -- roundhead lespedeza
  Lespedeza capitata var. calycina (Schindl.) Fernald -- not accepted
  Lespedeza capitata var. stenophylla Bissell & Fernald -- not accepted
  Lespedeza capitata var. velutina Fernald -- not accepted
  Lespedeza capitata var. vulgaris Torr. & A. Gray -- not accepted
  Lespedeza cuneata (Dum. Cours.) G. Don -- accepted -- sericea lespedeza, Chinese lespedeza
  Lespedeza cyrtobotrya Miq. -- accepted -- leafy lespedeza
  Lespedeza cytisoides Bertol. -- not accepted
  Lespedeza daurica (Laxm.) Schindl. -- accepted -- Dahurian lespedeza
  Lespedeza formosa (Vogel) Koehne -- accepted -- Oriental lespedeza
  Lespedeza frutescens (L.) Hornem. -- accepted -- shrubby lespedeza
  Lespedeza hedysaroides (Pall.) Kitag. -- not accepted
  Lespedeza hirta (L.) Hornem. -- accepted -- hairy lespedeza
  Lespedeza hirta ssp. curtissii Clewell -- accepted -- Curtiss' lespedeza
  Lespedeza hirta ssp. hirta (L.) Hornem. -- accepted -- hairy lespedeza
  Lespedeza hirta var. appressipilis S.F. Blake -- not accepted
  Lespedeza hirta var. curtissii (Clewell) Isely -- not accepted
  Lespedeza hirta var. dissimulans Fernald -- not accepted
  Lespedeza hirta var. intercursa Fernald -- not accepted
  Lespedeza hirta var. longifolia (DC.) Fernald -- not accepted
  Lespedeza hirta var. sparsiflora Torr. & A. Gray -- not accepted
  Lespedeza inschanica (Maxim.) Schindl. -- not accepted
  Lespedeza intermedia sensu Clewell -- not accepted -- intermediate lespedeza
  Lespedeza intermedia (S. Watson) Britton -- not accepted
  Lespedeza juncea (L. f.) Pers. -- accepted -- juncea lespedeza, Siberian lespedeza
  Lespedeza juncea var. sericea Maxim. -- not accepted
  Lespedeza latissima (Matsum.) Nakai -- not accepted
  Lespedeza leptostachya Engelm. -- accepted -- prairie lespedeza, prairie bush-clover
  Lespedeza longifolia DC. -- not accepted
  Lespedeza maximowiczii C.K. Schneid. -- accepted
  Lespedeza nuttallii var. manniana (Mack. & Bush) Gleason -- not accepted
  Lespedeza pilosa (Thunb.) Siebold & Zucc. -- accepted
  Lespedeza polystachya Michx. -- not accepted
  Lespedeza potaninii V.N. Vassil. -- accepted
  Lespedeza prairea (Mack. & Bush) Britton -- not accepted
  Lespedeza procumbens Michx. -- accepted -- trailing lespedeza
  Lespedeza procumbens var. elliptica S.F. Blake -- not accepted
  Lespedeza repens (L.) W.P.C. Barton -- accepted -- creeping lespedeza
  Lespedeza sericea Miq. -- not accepted
  Lespedeza serpens Nakai -- not accepted
  Lespedeza stipulacea Maxim. -- not accepted
  Lespedeza striata (Thunb.) Hook. & Arn. -- not accepted
  Lespedeza stuevei Nutt. -- accepted -- tall lespedeza, Stueve's lespedeza
  Lespedeza stuevei var. angustifolia Britton -- not accepted
  Lespedeza texana Britton -- accepted -- Texas lespedeza
  Lespedeza thunbergii (DC.) Nakai -- accepted -- Thunberg's lespedeza
  Lespedeza tomentosa (Thunb.) Siebold ex Maxim. -- accepted
  Lespedeza violacea (L.) Pers. -- accepted -- violet lespedeza
  Lespedeza violacea auct. non (L.) Pers. -- not accepted
  Lespedeza virgata (Thunb.) DC. -- accepted -- wand lespedeza
  Lespedeza virginica (L.) Britton -- accepted -- slender lespedeza
  Lespedeza X acuticarpa Mack. & Bush (pro. sp.) -- accepted
  Lespedeza X brittonii E.P. Bicknell (pro. sp.) -- accepted -- Britton's lespedeza
  Lespedeza X divaricata (Nakai) T.B. Lee -- accepted
  Lespedeza X intermixta Makino -- accepted
  Lespedeza X longifolia DC. (pro. sp.) -- accepted -- longleaf lespedeza
  Lespedeza X manniana Mack. & Bush (pro. sp.) -- accepted -- Mann's lespedeza
  Lespedeza X neglecta Mack. & Bush (pro. sp.) -- accepted
  Lespedeza X nuttallii Darl. (pro. sp.) -- accepted -- Nuttall's lespedeza
  Lespedeza X oblongifolia (Britton) W. Stone -- accepted -- oblong lespedeza
  Lespedeza X simulata Mack. & Bush (pro. sp.) -- accepted
  Lessertia DC. -- accepted
  Lessertia frutescens (L.) Goldblatt & J.C. Manning -- accepted -- cancer bush
  Lessertia microphylla (Burch. ex DC.) Goldblatt & J.C. Manning -- accepted
  Leucaena Benth. -- accepted -- leadtree
  Leucaena diversifolia (Schltdl.) Benth. -- accepted -- upland koa haole, red leucaena
  Leucaena esculenta (Sessé & Moc. ex DC.) Benth. -- accepted -- guaje
  Leucaena glauca Benth. -- not accepted
  Leucaena greggii S. Watson -- accepted
  Leucaena latisiliqua (L.) Gillis & Stearn -- not accepted
  Leucaena leucocephala (Lam.) de Wit -- accepted -- white leadtree, koa haole, lead tree
  Leucaena leucocephala ssp. glabrata (Rose) S. Zárate -- accepted -- white leadtree
  Leucaena leucocephala ssp. leucocephala (Lam.) de Wit -- accepted -- white leadtree
  Leucaena pulverulenta (Schltdl.) Benth. -- accepted -- great leadtree
  Leucaena retusa Benth. -- accepted -- littleleaf leadtree
  Leucaena X spontanea C.E. Hughes & S.A. Harris (pro. hybr.) -- accepted
  Leucopterum parvifolium (DC.) Small -- not accepted
  Libidibia coriaria (Jacq.) Schltdl. -- accepted
  Listia heterophylla E. Mey. -- not accepted
  Lonchocarpus Kunth -- accepted -- lancepod
  Lonchocarpus cyanescens (Schumach. & Thonn.) Benth. -- not accepted
  Lonchocarpus domingensis (Turpin ex Pers.) DC. -- accepted -- geno geno
  Lonchocarpus glaucifolius Urb. -- accepted -- geno
  Lonchocarpus heptaphyllus (Poir.) DC. -- accepted -- broadleaf lancepod
  Lonchocarpus latifolius Kunth ex DC. -- not accepted
  Lonchocarpus nicou (Aubl.) DC. -- not accepted -- barbasco
  Lonchocarpus nitidus (Vogel) Benth. -- accepted
  Lonchocarpus pentaphyllus (Poir.) Kunth ex DC. -- not accepted -- broadleaf lancepod
  Lonchocarpus punctatus Kunth -- accepted -- dotted lancepod
  Lonchocarpus urucu Killip & A.C. Sm. -- accepted -- barbasco
  Lonchocarpus utilis A.C. Sm. -- accepted -- lancepod
  Lonchocarpus violaceus auct. non (Jacq.) Kunth ex DC. -- not accepted
  Lotononis (DC.) Eckl. & Zeyh. -- accepted
  Lotononis angolensis Welw. ex Baker -- accepted
  Lotononis azurea (Eckl. & Zeyh.) Benth. -- accepted
  Lotononis bainesii Baker -- accepted
  Lotononis listii Polhill -- accepted
  Lotus L. -- accepted -- trefoil, deervetch
  Lotus aboriginus Jeps. -- not accepted -- rosy bird's-foot trefoil
  Lotus alamosanus (Rose) Gentry -- not accepted -- Sonoran bird's-foot trefoil, Sonoran birdfoot trefoil
  Lotus alpinus (Ser.) Schleich. ex Ramond -- accepted
  Lotus americanus (Nutt.) Bisch. -- not accepted
  Lotus angustissimus L. -- accepted -- slender bird's-foot trefoil
  Lotus arabicus L. -- accepted
  Lotus arenarius Brot. -- accepted
  Lotus argophyllus (A. Gray) Greene -- not accepted -- silver bird's-foot trefoil
  Lotus argophyllus ssp. adsurgens (Dunkle) P.H. Raven -- not accepted -- San Clemente Island silver hosackia
  Lotus argophyllus ssp. decorus (I.M. Johnst.) Munz -- not accepted
  Lotus argophyllus ssp. niveus (Greene) Munz -- not accepted -- Santa Cruz Island silver hosackia
  Lotus argophyllus ssp. ornithopus (Greene) P.H. Raven -- not accepted
  Lotus argophyllus var. adsurgens Dunkle -- not accepted -- Santa Cruz Island silverhosackia
  Lotus argophyllus var. argenteus Dunkle -- not accepted -- silver bird's-foot trefoil
  Lotus argophyllus var. argophyllus (A. Gray) Greene -- not accepted -- silver bird's-foot trefoil
  Lotus argophyllus var. decorus (I.M. Johnst.) Ottley -- not accepted
  Lotus argophyllus var. fremontii (A. Gray) Ottley -- not accepted -- Fremont's birdsfoot trefoil
  Lotus argophyllus var. niveus (Greene) Ottley -- not accepted -- Santa Cruz Island silverhosackia
  Lotus argophyllus var. ornithopus (Greene) Ottley -- not accepted
  Lotus argyraeus (Greene) Greene -- not accepted -- canyon bird's-foot trefoil, silver trefoil
  Lotus argyraeus ssp. multicaulis (Ottley) Munz -- not accepted
  Lotus argyraeus var. argyraeus (Greene) Greene -- not accepted -- canyon bird's-foot trefoil
  Lotus argyraeus var. multicaulis (Ottley) Isely -- not accepted -- canyon bird's-foot trefoil, canyon birdsfoot trefoil
  Lotus argyraeus var. notitius Isely -- not accepted -- canyon bird's-foot trefoil
  Lotus balsamiferus (Kellogg) Greene -- not accepted
  Lotus benthamii Greene -- not accepted -- Bentham's broom
  Lotus biolettii Greene -- not accepted
  Lotus biolettii var. spiralis Hoover -- not accepted
  Lotus brandianus Harms -- not accepted
  Lotus carmeli Boiss. -- not accepted
  Lotus caucasicus Kuprian. -- not accepted
  Lotus chihuahuanus (S. Watson) Greene -- accepted
  Lotus collinus (Boiss.) Heldr. -- accepted
  Lotus commutatus Guss. -- not accepted
  Lotus conimbricensis Brot. -- accepted
  Lotus conjugatus L. -- accepted
  Lotus conjugatus ssp. requienii (Mauri ex Sanguin.) Greuter -- accepted
  Lotus corniculatus L. -- accepted -- bird's-foot trefoil, birdsfoot trefoil, garden bird's-foot-trefoil, garden birdsfoot trefoil, bloomfell, cat's clover, crowtoes, ground honeysuckle, birdfoot deervetch
  Lotus corniculatus ssp. frondosus Freyn -- not accepted
  Lotus corniculatus var. alpinus Ser. -- not accepted
  Lotus corniculatus var. arvensis (Pers.) Ser. -- not accepted
  Lotus corniculatus var. corniculatus L. -- not accepted -- bird's-foot trefoil, birdsfoot trefoil
  Lotus corniculatus var. tenuifolius L. -- not accepted
  Lotus crassifolius (Benth.) Greene -- not accepted -- big deervetch
  Lotus crassifolius var. crassifolius (Benth.) Greene -- not accepted -- big deervetch
  Lotus crassifolius var. otayensis Moran ex Isely -- not accepted -- big deervetch, Otay lotus
  Lotus crassifolius var. subglaber (Ottley) C.L. Hitchc. -- not accepted
  Lotus creticus L. -- accepted -- Cretan trefoil
  Lotus cupreus Greene -- not accepted
  Lotus cytisoides L. -- accepted
  Lotus davidsonii Greene -- not accepted
  Lotus decumbens Poir. -- not accepted
  Lotus dendroideus (Greene) Greene -- not accepted -- island broom
  Lotus dendroideus var. dendroideus (Greene) Greene -- not accepted -- island broom
  Lotus dendroideus var. traskiae (Eastw. ex Noddin) Isely -- not accepted -- Trask's island broom, San Clemente Island broom
  Lotus dendroideus var. veatchii (Greene) Isely -- not accepted -- Veatch's island broom
  Lotus denticulatus (Drew) Greene -- not accepted -- riverbar bird's-foot trefoil
  Lotus discolor E. Mey. -- accepted
  Lotus divaricatus Boiss. -- not accepted
  Lotus douglasii Greene -- not accepted
  Lotus douglasii var. nevadensis (S. Watson) Ottley -- not accepted
  Lotus edulis L. -- accepted
  Lotus eriophorus Greene -- not accepted
  Lotus filicaulis Durieu -- not accepted
  Lotus formosissimus Greene -- not accepted -- seaside bird's-foot trefoil
  Lotus frondosus (Freyn) Kuprian. -- not accepted
  Lotus gebelia Vent. -- accepted
  Lotus glaber Mill. -- not accepted -- narrow-leaf bird's-foot trefoil
  Lotus glareosus Boiss. & Reut. -- accepted
  Lotus glaucus Aiton -- accepted
  Lotus glinoides Delile -- accepted
  Lotus grandiflorus (Benth.) Greene -- not accepted -- chaparral bird's-foot trefoil
  Lotus grandiflorus var. grandiflorus (Benth.) Greene -- not accepted -- chaparral bird's-foot trefoil
  Lotus grandiflorus var. macranthus (Greene) Isely -- not accepted -- chaparral bird's-foot trefoil
  Lotus grandiflorus var. mutabilis Ottley -- not accepted
  Lotus greenei (Wooton & Standl.) Ottley ex Kearney & Peebles -- not accepted -- Greene's bird's-foot trefoil, Greene birdfoot trefoil, Greene's birdsfoot trefoil
  Lotus halophilus Boiss. & Spruner -- accepted
  Lotus hamatus Greene -- not accepted -- San Diego bird's-foot trefoil, San Diego bird's-foot-trefoil
  Lotus haydonii (Orcutt) Greene -- not accepted -- rock bird's-foot trefoil
  Lotus heermannii (Durand & Hilg.) Greene -- not accepted -- Heermann's bird's-foot trefoil
  Lotus heermannii var. eriophorus (Greene) Ottley -- not accepted
  Lotus heermannii var. heermannii (Durand & Hilg.) Greene -- not accepted -- Heermann's bird's-foot trefoil
  Lotus heermannii var. orbicularis (A. Gray) Isely -- not accepted -- Heermann's bird's-foot trefoil
  Lotus helleri Britton -- not accepted
  Lotus hillebrandii Christ -- accepted
  Lotus hispidus Desf. ex DC. -- not accepted
  Lotus humistratus Greene -- not accepted -- foothill deervetch, maresfat
  Lotus incanus (Torr.) Greene -- not accepted -- woolly bird's-foot trefoil
  Lotus intricatus Eastw. -- not accepted -- arid bird's-foot trefoil, arid birdsfoot trefoil
  Lotus junceus (Benth.) Greene -- not accepted -- rush broom
  Lotus junceus var. biolettii (Greene) Ottley -- not accepted -- Bioletti's rush broom, Biolett's rush broom
  Lotus junceus var. junceus (Benth.) Greene -- not accepted -- rush broom
  Lotus krylovii Schischkin & Sergievskaja -- accepted -- Krylov's birdsfoot trefoil
  Lotus lamprocarpus Boiss. -- not accepted
  Lotus lancerottensis Webb & Berthel. -- accepted
  Lotus longebracteatus Rydb. -- not accepted
  Lotus macranthus (Greene) Greene -- not accepted
  Lotus macrotrichus Boiss. -- accepted
  Lotus maritimus L. -- accepted
  Lotus maroccanus Ball -- accepted
  Lotus mearnsii (Britton) Greene -- not accepted -- Mearns' bird's-foot trefoil
  Lotus mearnsii var. equisolensis J.L. Anderson -- not accepted -- Mearns' bird's-foot trefoil
  Lotus mearnsii var. mearnsii (Britton) Greene -- not accepted -- Mearns' bird's-foot trefoil
  Lotus micranthus Benth. -- not accepted -- desert deervetch
  Lotus neoincanus Munz -- not accepted
  Lotus neomexicanus Greene -- not accepted
  Lotus nevadensis (S. Watson) Greene -- not accepted -- Nevada bird's-foot trefoil, Nevada trefoil
  Lotus nevadensis var. davidsonii (Greene) Isely -- not accepted -- Davidson's bird's-foot trefoil
  Lotus nevadensis var. douglasii (Greene) Ottley -- not accepted -- Douglas' bird's-foot trefoil
  Lotus nevadensis var. nevadensis (S. Watson) Greene -- not accepted -- Nevada bird's-foot trefoil, Nevada trefoil
  Lotus niveus Greene -- not accepted
  Lotus nuttallianus Greene -- not accepted -- wire bird's-foot trefoil, prostrate lotus
  Lotus oblongifolius (Benth.) Greene -- not accepted -- streambank bird's-foot trefoil, streambank bird's-foot-trefoil, narrowleaf trefoil
  Lotus oblongifolius var. cupreus (Greene) Ottley -- not accepted -- streambank bird's-foot trefoil
  Lotus oblongifolius var. nevadensis (A. Gray) Munz -- not accepted
  Lotus oblongifolius var. oblongifolius (Benth.) Greene -- not accepted -- streambank bird's-foot trefoil, streambank trefoil
  Lotus oblongifolius var. torreyi (A. Gray) Ottley -- not accepted
  Lotus ornithopodioides L. -- accepted
  Lotus oroboides (Kunth) Ottley -- not accepted
  Lotus oroboides var. nanus (A. Gray) Isely -- not accepted
  Lotus oroboides var. nummularius (M.E. Jones) Isely -- not accepted
  Lotus palaestinus (Boiss. & Blanche) Blatt. -- accepted
  Lotus palustris Willd. -- accepted
  Lotus parviflorus Desf. -- accepted -- smallflower bird's-foot trefoil
  Lotus pedunculatus auct. non Cav. -- not accepted -- big trefoil, loto de los pantanos, greater bird's-foot trefoil
  Lotus pedunculatus var. villosus (Lamotte) O. Bolňs & Vigo -- not accepted
  Lotus peregrinus L. -- accepted
  Lotus pinnatus Hook. -- not accepted -- meadow bird's-foot trefoil
  Lotus plebeius (Brandegee) Barneby -- not accepted -- New Mexico bird's-foot trefoil, long-bract bird's-foot-trefoil, common birdsfoot trefoil, longbrack trefoil, New Mexico birdsfoot trefoil
  Lotus preslii Ten. -- accepted
  Lotus procumbens (Greene) Greene -- not accepted -- silky deerweed
  Lotus procumbens var. jepsonii (Ottley) Ottley -- not accepted -- Jepson's deerweed
  Lotus procumbens var. procumbens (Greene) Greene -- not accepted -- silky deerweed
  Lotus purpureus Webb -- accepted
  Lotus purshianus Clem. & E.G. Clem. -- not accepted
  Lotus purshianus var. glaber (Nutt.) Munz -- not accepted
  Lotus purshianus var. helleri (Britton) Isely -- not accepted
  Lotus pusillus Viv. -- not accepted
  Lotus rigidus (Benth.) Greene -- not accepted -- shrubby deervetch
  Lotus rubellus (Nutt.) Greene -- not accepted
  Lotus rubriflorus H. Sharsm. -- not accepted -- redflower bird's-foot trefoil, red-flowered lotus
  Lotus salsuginosus Greene -- not accepted -- coastal bird's-foot trefoil, maresfat, humble trefoil
  Lotus salsuginosus ssp. brevivexillus (Ottley) Munz -- not accepted
  Lotus salsuginosus var. brevivexillus Ottley -- not accepted -- coastal bird's-foot trefoil, Arizona maresfat, coastal trefoil
  Lotus salsuginosus var. salsuginosus Greene -- not accepted -- coastal bird's-foot trefoil
  Lotus scoparius (Nutt.) Ottley -- not accepted -- common deerweed
  Lotus scoparius ssp. brevialatus (Ottley) Abrams -- not accepted
  Lotus scoparius ssp. traskiae (Eastw. ex Noddin) P.H. Raven -- not accepted
  Lotus scoparius var. brevialatus Ottley -- not accepted -- western bird's-foot trefoil
  Lotus scoparius var. dendroideus (Greene) Ottley -- not accepted
  Lotus scoparius var. perplexans Hoover -- not accepted
  Lotus scoparius var. scoparius (Nutt.) Ottley -- not accepted -- common deerweed
  Lotus scoparius var. veatchii (Greene) Ottley -- not accepted
  Lotus sericeus Pursh -- not accepted
  Lotus sessilifolius DC. -- accepted
  Lotus siliquosus L. -- not accepted
  Lotus stipularis (Benth.) Greene -- not accepted -- balsam bird's-foot trefoil
  Lotus stipularis var. ottleyi Isely -- not accepted -- Ottley's bird's-foot trefoil
  Lotus stipularis var. stipularis (Benth.) Greene -- not accepted -- balsam bird's-foot trefoil
  Lotus stipularis var. subglaber Ottley -- not accepted
  Lotus strictus Fisch. & C.A. Mey. -- accepted
  Lotus strigosus (Nutt.) Greene -- not accepted -- strigose bird's-foot trefoil, strigose bird's-foot-trefoil, Bishop's lotus
  Lotus strigosus var. hirtellus (Greene) Ottley -- not accepted -- strigose bird's-foot trefoil
  Lotus strigosus var. strigosus (Nutt.) Greene -- not accepted -- strigose bird's-foot trefoil, strigose deervetch
  Lotus strigosus var. tomentellus (Greene) Isely -- not accepted -- strigose bird's-foot trefoil, desert deervetch, Green's desert deervetch
  Lotus subbiflorus Lag. -- accepted -- hairy bird's-foot trefoil
  Lotus subpinnatus Ottley -- not accepted
  Lotus tenuis Waldst. & Kit. ex Willd. -- accepted -- narrowleaf bird's-foot trefoil, narrowleaf birdsfoot trefoil
  Lotus tetragonolobus L. -- accepted -- winged pea
  Lotus tomentellus Greene -- not accepted
  Lotus torreyi (A. Gray) Greene -- not accepted
  Lotus uliginosus Schkuhr -- accepted -- loto de los pantanos, greater bird's-foot trefoil, big trefoil
  Lotus unifoliolatus (Hook.) Benth. -- not accepted -- American bird's-foot trefoil, American birdsfoot trefoil, American bird's-foot-trefoil
  Lotus unifoliolatus var. helleri (Britton) Kartesz & Gandhi -- not accepted -- Heller's bird's-foot trefoil
  Lotus unifoliolatus var. unifoliolatus (Hook.) Benth. -- not accepted -- American bird's-foot trefoil, prairie trefoil, American bird's-foot-trefoil, Spanish clover
  Lotus utahensis Ottley -- not accepted -- Utah bird's-foot trefoil, Utah bird's-foot-trefoil, Utah birdsfoot trefoil
  Lotus weilleri Maire -- accepted
  Lotus wrangelianus Fisch. & C.A. Mey. -- not accepted -- Chilean bird's-foot trefoil
  Lotus wrightii (A. Gray) Greene -- not accepted -- Wright's deervetch, Wright deervetch
  Lotus X nummularius (M.E. Jones) Tidestr. -- not accepted
  Lotus yollabolliensis Munz -- not accepted -- Yolla Bolly bird's-foot trefoil
  Lourea verspertilionis (L. f.) Desv. -- not accepted
  Lupinaster macrocephalus Pursh -- not accepted
  Lupinaster wormskioldii (Lehm.) C. Presl -- not accepted
  Lupinus L. -- accepted -- lupine, lupins
  Lupinus abortivus Greene -- not accepted
  Lupinus abramsii C.P. Sm. -- accepted -- Abrams' lupine
  Lupinus acclivatatis C.P. Sm. -- not accepted
  Lupinus adscendens Rydb. -- not accepted
  Lupinus adsurgens Drew -- accepted -- Drew's silky lupine
  Lupinus adsurgens var. adsurgens Drew -- accepted -- Drew's silky lupine
  Lupinus adsurgens var. lilacinus A. Heller ex C.P. Sm. -- accepted -- Drew's silky lupine
  Lupinus adsurgens var. undulatus C.P. Sm. -- accepted -- Drew's silky lupine
  Lupinus aduncus Greene -- not accepted
  Lupinus aegra-ovium C.P. Sm. -- not accepted
  Lupinus affinis J. Agardh -- accepted -- fleshy lupine
  Lupinus agardhianus A. Heller -- accepted -- Agardh lupine, bajada lupine
  Lupinus albertensis C.P. Sm. -- not accepted
  Lupinus albicaulis Douglas -- accepted -- sicklekeel lupine
  Lupinus albicaulis var. abramsii (C.P. Sm.) Hoover -- not accepted
  Lupinus albicaulis var. albicaulis Douglas -- accepted -- sicklekeel lupine
  Lupinus albicaulis var. elatus (I.M. Johnst.) Jeps. -- not accepted
  Lupinus albicaulis var. hyacinthinus (Greene ex C.F. Baker) Jeps. -- not accepted
  Lupinus albicaulis var. shastensis (A. Heller) C.P. Sm. -- accepted -- Shasta lupine
  Lupinus albicaulis var. sylvestris Greene -- not accepted
  Lupinus albifrons Benth. -- accepted -- silver lupine
  Lupinus albifrons ssp. eminens (Greene) D.B. Dunn -- not accepted
  Lupinus albifrons var. abramsii (C.P. Sm.) Hoover -- not accepted
  Lupinus albifrons var. albifrons Benth. -- accepted -- silver lupine
  Lupinus albifrons var. collinus Greene -- accepted -- silver lupine
  Lupinus albifrons var. douglasii (J. Agardh) C.P. Sm. -- accepted -- Douglas' silver lupine
  Lupinus albifrons var. eminens (Greene) C.P. Sm. -- accepted -- silver lupine
  Lupinus albifrons var. fissicalyx (A. Heller) C.P. Sm. -- not accepted
  Lupinus albifrons var. flumineus C.P. Sm. -- accepted -- silver lupine
  Lupinus albifrons var. longifolius (S. Watson) Isely -- not accepted
  Lupinus albifrons var. medius Jeps. -- not accepted
  Lupinus albopilosus A. Heller -- not accepted
  Lupinus albus L. -- accepted -- white lupine
  Lupinus alcis-montis C.P. Sm. -- not accepted
  Lupinus alcis-temporis C.P. Sm. -- not accepted
  Lupinus alexanderae C.P. Sm. -- not accepted
  Lupinus aliceae C.P. Sm. -- not accepted
  Lupinus aliclementinus C.P. Sm. -- not accepted
  Lupinus aliesicola C.P. Sm. -- not accepted
  Lupinus alilatissimus C.P. Sm. -- not accepted
  Lupinus aliumbellatus C.P. Sm. -- not accepted
  Lupinus allimicranthus C.P. Sm. -- not accepted
  Lupinus alpicola L.F. Hend. ex Piper -- accepted -- Mt. Adams lupine
  Lupinus alsophilus Greene -- not accepted
  Lupinus amabilis A. Heller -- not accepted
  Lupinus ammophilus Greene -- accepted -- sand lupine
  Lupinus ammophilus var. crassus (Payson) Isely -- not accepted
  Lupinus amniculi-cervi C.P. Sm. -- not accepted
  Lupinus amniculi-putori C.P. Sm. -- not accepted
  Lupinus amniculi-salicis C.P. Sm. -- not accepted
  Lupinus amphibius Suksd. -- accepted -- amphibious lupine
  Lupinus amplus Greene -- not accepted
  Lupinus andersonii S. Watson -- accepted -- Anderson's lupine
  Lupinus andersonii var. apertus (A. Heller) C.P. Sm. -- not accepted
  Lupinus andersonii var. christinae (A. Heller) Munz -- not accepted
  Lupinus andersonii var. grayi S. Watson -- not accepted
  Lupinus angustiflorus Eastw. -- accepted -- narrowflower lupine
  Lupinus angustifolius L. -- accepted -- narrowleaf lupine, blue lupine, altramuz azul
  Lupinus angustifolius ssp. reticulatus (Desv.) Arcang. -- not accepted
  Lupinus annieae C.P. Sm. -- not accepted
  Lupinus antoninus Eastw. -- accepted -- Anthony Peak lupine
  Lupinus apertus A. Heller -- accepted -- summit lupine
  Lupinus apodotropis A. Heller -- not accepted
  Lupinus apricus Greene -- not accepted
  Lupinus aquilinus Wooton & Standl. -- not accepted
  Lupinus arboreus Sims -- accepted -- yellow bush lupine
  Lupinus arboreus var. arboreus Sims -- not accepted -- bush lupine
  Lupinus arboreus var. eximius (Burtt Davy) C.P. Sm. -- not accepted -- bush lupine, San Mateo tree lupine
  Lupinus arboreus var. fruticosus (Sims) S. Watson -- not accepted
  Lupinus arbustus Douglas ex Lindl. -- accepted -- longspur lupine, spurred lupine
  Lupinus arbustus ssp. arbustus Douglas ex Lindl. -- accepted -- longspur lupine
  Lupinus arbustus ssp. arbustus var. arbustus Douglas ex Lindl. -- not accepted -- longspur lupine
  Lupinus arbustus ssp. arbustus var. montanus (Howell) D.B. Dunn -- not accepted -- longspur lupine
  Lupinus arbustus ssp. calcaratus (Kellogg) D.B. Dunn -- accepted -- longspur lupine, quakerbonnet lupine
  Lupinus arbustus ssp. neolaxiflorus D.B. Dunn -- accepted -- longspur lupine
  Lupinus arbustus ssp. pseudoparviflorus (Rydb.) D.B. Dunn -- accepted -- longspur lupine, false lupine
  Lupinus arbustus ssp. silvicola (A. Heller) D.B. Dunn -- accepted -- longspur lupine
  Lupinus arbustus var. arbustus Douglas ex Lindl. -- accepted -- longspur lupine
  Lupinus arbustus var. calcaratus (Kellogg) S.L. Welsh -- not accepted
  Lupinus arbustus var. montanus (Howell) D.B. Dunn -- accepted -- longspur lupine
  Lupinus arceuthinus Greene -- not accepted
  Lupinus arcticus S. Watson -- accepted -- arctic lupine
  Lupinus arcticus ssp. arcticus S. Watson -- accepted -- arctic lupine
  Lupinus arcticus ssp. canadensis (C.P. Sm.) D.B. Dunn -- not accepted -- Canadian arctic lupine
  Lupinus arcticus ssp. subalpinus (Piper & B.L. Rob.) D.B. Dunn -- accepted -- subalpine lupine
  Lupinus arcticus var. humicola (A. Nelson) C.P. Sm. -- not accepted
  Lupinus arcticus var. prunophilus (M.E. Jones) C.P. Sm. -- not accepted
  Lupinus arcticus var. subalpinus (Piper & B.L. Rob.) C.P. Sm. -- not accepted
  Lupinus arcticus var. tetonensis (E.E. Nelson) C.P. Sm. -- not accepted
  Lupinus arenicola A. Heller -- not accepted
  Lupinus argenteus Pursh -- accepted -- silvery lupine
  Lupinus argenteus ssp. argenteus Pursh -- accepted -- silvery lupine, silver-stem lupine
  Lupinus argenteus ssp. argenteus var. argenteus Pursh -- not accepted -- silver-stem lupine, silvery lupine
  Lupinus argenteus ssp. argenteus var. laxiflorus (Douglas ex Lindl.) Dorn -- not accepted -- spur lupine, silvery lupine
  Lupinus argenteus ssp. ingratus (Greene) Harmon -- accepted -- silvery lupine
  Lupinus argenteus ssp. moabensis D.B. Dunn & Harmon -- accepted -- silvery lupine
  Lupinus argenteus ssp. parviflorus (Nutt. ex Hook. & Arn.) L.Ll. Phillips -- not accepted
  Lupinus argenteus ssp. rubricaulis (Greene) L.W. Hess & D.B. Dunn -- accepted -- silvery lupine
  Lupinus argenteus ssp. spathulatus (Rydb.) L.W. Hess & D.B. Dunn -- accepted -- silvery lupine
  Lupinus argenteus var. argenteus Pursh -- accepted -- silvery lupine, silver-stem lupine
  Lupinus argenteus var. argophyllus (A. Gray) S. Watson -- not accepted
  Lupinus argenteus var. aristovatus C.P. Sm. -- not accepted
  Lupinus argenteus var. boreus (C.P. Sm.) S.L. Welsh -- not accepted
  Lupinus argenteus var. decumbens (Torr.) S. Watson -- not accepted
  Lupinus argenteus var. depressus (Rydb.) C.L. Hitchc. -- not accepted
  Lupinus argenteus var. fulvomaculatus (Payson) Barneby -- not accepted
  Lupinus argenteus var. heteranthus (S. Watson) Barneby -- not accepted
  Lupinus argenteus var. hillii (Greene) Barneby -- not accepted
  Lupinus argenteus var. holosericeus (Nutt.) Barneby -- not accepted -- holo lupine
  Lupinus argenteus var. krauchianus C.P. Sm. -- not accepted
  Lupinus argenteus var. laxiflorus (Douglas ex Lindl.) Dorn -- accepted -- silvery lupine
  Lupinus argenteus var. lemmonii (C.P. Sm.) Isely -- not accepted
  Lupinus argenteus var. macounii (Rydb.) R.J. Davis -- not accepted
  Lupinus argenteus var. meionanthus (A. Gray) Barneby -- accepted -- Lake Tahoe lupine
  Lupinus argenteus var. moabensis (D.B. Dunn & Harmon) S.L. Welsh -- not accepted
  Lupinus argenteus var. montigenus (A. Heller) Barneby -- not accepted
  Lupinus argenteus var. myrianthus (Greene) Isely -- not accepted
  Lupinus argenteus var. palmeri (S. Watson) Barneby -- not accepted
  Lupinus argenteus var. parviflorus (Nutt. ex Hook. & Arn.) C.L. Hitchc. -- not accepted
  Lupinus argenteus var. prati-harti C.P. Sm. -- not accepted
  Lupinus argenteus var. rubricaulis (Greene) S.L. Welsh -- not accepted
  Lupinus argenteus var. stenophyllus (Rydb.) R.J. Davis -- not accepted
  Lupinus argenteus var. submanens C.P. Sm. -- not accepted
  Lupinus argenteus var. tenellus (Douglas ex G. Don) D.B. Dunn -- not accepted
  Lupinus argenteus var. utahensis (S. Watson) Barneby -- not accepted
  Lupinus argenteus var. wallianus C.P. Sm. -- not accepted
  Lupinus argentinus Rydb. -- not accepted
  Lupinus argentus Pursh -- not accepted
  Lupinus argentus var. argentus Pursh -- not accepted
  Lupinus argophyllus (A. Gray) Cockerell -- not accepted
  Lupinus aridorum McFarlin ex Beckner -- not accepted -- scrub lupine
  Lupinus aridus Douglas -- accepted -- desert lupine, arid lupine
  Lupinus aridus ssp. aridus Douglas -- accepted -- desert lupine, arid lupine
  Lupinus aridus ssp. ashlandensis J.B. Cox -- accepted -- Ashland's lupine
  Lupinus aridus ssp. lenorensis (C.P. Sm.) B.J. Cox -- accepted -- desert lupine
  Lupinus aridus ssp. loloensis B.J. Cox -- accepted -- desert lupine
  Lupinus aridus var. abortivus (Greene) C.P. Sm. -- not accepted
  Lupinus aridus var. confertus (Kellogg) C.P. Sm. -- not accepted
  Lupinus aridus var. cusickii (S. Watson) C.P. Sm. -- not accepted
  Lupinus aridus var. lobbii A. Gray ex S. Watson -- not accepted
  Lupinus aridus var. torreyi (A. Gray ex S. Watson) C.P. Sm. -- not accepted
  Lupinus aridus var. utahensis S. Watson -- not accepted
  Lupinus aridus var. washoensis (A. Heller) C.P. Sm. -- not accepted
  Lupinus arizonicus (S. Watson) S. Watson -- accepted -- Arizona lupine
  Lupinus arizonicus ssp. arizonicus (S. Watson) S. Watson -- accepted -- Arizona lupine
  Lupinus arizonicus ssp. arizonicus var. arizonicus (S. Watson) S. Watson -- not accepted -- Arizona lupine
  Lupinus arizonicus ssp. arizonicus var. barbatulus (Thornb. ex C.P. Sm.) Thornb. ex I.M. Johnst. -- not accepted -- Arizona lupine
  Lupinus arizonicus ssp. setosissimus (C.P. Sm.) J. Christian & D.B. Dunn -- accepted -- Arizona lupine
  Lupinus arizonicus ssp. sonorensis J. Christian & D.B. Dunn -- accepted -- Sonora lupine, Arizona lupine
  Lupinus arizonicus var. arizonicus (S. Watson) S. Watson -- accepted -- Arizona lupine
  Lupinus arizonicus var. barbatulus (Thornb. ex C.P. Sm.) Thornb. ex I.M. Johnst. -- accepted -- Arizona lupine
  Lupinus atlanticus Gladst. -- accepted
  Lupinus augustii C.P. Sm. -- not accepted
  Lupinus austromontanus A. Heller -- not accepted
  Lupinus bakeri Greene -- accepted -- Baker's lupine
  Lupinus bakeri ssp. amplus (Greene) Fleak & D.B. Dunn -- accepted -- Baker's lupine
  Lupinus bakeri ssp. bakeri Greene -- accepted -- Baker's lupine
  Lupinus barbatus (L.F. Hend.) A. Heller -- not accepted
  Lupinus barbiger S. Watson -- accepted -- bearded lupine
  Lupinus bartolomei M.E. Jones -- accepted
  Lupinus benthamii A. Heller -- accepted -- spider lupine
  Lupinus benthamii var. benthamii A. Heller -- accepted -- spider lupine
  Lupinus benthamii var. opimus C.P. Sm. -- accepted -- spider lupine
  Lupinus bernardinus (Abrams ex C.P. Sm.) Abrams ex Eastw. -- not accepted
  Lupinus bicolor Lindl. -- accepted -- miniature lupine, bicolor lupine
  Lupinus bicolor ssp. bicolor Lindl. -- accepted -- miniature lupine
  Lupinus bicolor ssp. marginatus D.B. Dunn -- accepted -- miniature lupine
  Lupinus bicolor ssp. microphyllus (S. Watson) D.B. Dunn -- accepted -- miniature lupine, miniature annual lupine
  Lupinus bicolor ssp. pipersmithii (A. Heller) D.B. Dunn -- accepted -- miniature lupine, Pipersmith lupine
  Lupinus bicolor ssp. tridentatus (Eastw. ex C.P. Sm.) D.B. Dunn -- accepted -- miniature lupine
  Lupinus bicolor ssp. tridentatus var. rostratus (Eastw.) Jeps. -- not accepted -- miniature lupine
  Lupinus bicolor ssp. tridentatus var. tridentatus Eastw. ex C.P. Sm. -- not accepted -- miniature lupine
  Lupinus bicolor ssp. umbellatus (Greene) D.B. Dunn -- accepted -- miniature lupine
  Lupinus bicolor ssp. umbellatus var. trifidus (S. Watson) C.P. Sm. -- not accepted -- miniature lupine
  Lupinus bicolor ssp. umbellatus var. umbellatus (Greene) C.P. Sm. -- not accepted -- miniature lupine
  Lupinus bicolor var. microphyllus (S. Watson) C.P. Sm. -- not accepted
  Lupinus bicolor var. pipersmithii (A. Heller) C.P. Sm. -- not accepted
  Lupinus bicolor var. rostratus (Eastw.) Jeps. -- accepted -- miniature lupine
  Lupinus bicolor var. tetraspermus C.P. Sm. -- not accepted
  Lupinus bicolor var. tridentatus Eastw. ex C.P. Sm. -- accepted -- miniature lupine
  Lupinus bicolor var. trifidus (S. Watson) C.P. Sm. -- accepted -- miniature lupine
  Lupinus bicolor var. umbellatus (Greene) C.P. Sm. -- accepted -- miniature lupine
  Lupinus biddlei L.F. Hend. ex C.P. Sm. -- not accepted -- Biddle's lupine
  Lupinus bingenensis Suksd. -- accepted -- Bingen lupine
  Lupinus bingenensis var. albus Suksd. -- not accepted
  Lupinus bingenensis var. bingenensis Suksd. -- accepted -- Bingen lupine
  Lupinus bingenensis var. dubius C.P. Sm. -- accepted -- Bingen lupine
  Lupinus bingenensis var. roseus Suksd. -- not accepted
  Lupinus bingenensis var. subsaccatus Suksd. -- accepted -- Bingen lupine
  Lupinus blaisdellii Eastw. -- not accepted
  Lupinus blankinshipii A. Heller -- not accepted
  Lupinus blumeri Greene -- not accepted
  Lupinus borealis A. Heller -- not accepted
  Lupinus brachypodus Piper -- not accepted
  Lupinus brandegeei Eastw. -- not accepted
  Lupinus brevicaulis S. Watson -- accepted -- shortstem lupine
  Lupinus brevior (Jeps.) J. Christian & D.B. Dunn -- accepted -- short lupine
  Lupinus breweri A. Gray -- accepted -- Brewer's lupine
  Lupinus breweri var. breweri A. Gray -- accepted -- Brewer's lupine
  Lupinus breweri var. bryoides C.P. Sm. -- accepted -- matted lupine
  Lupinus breweri var. clokeyanus C.P. Sm. -- not accepted
  Lupinus breweri var. grandiflorus C.P. Sm. -- accepted -- matted lupine
  Lupinus breweri var. parvulus C.P. Sm. -- accepted -- matted lupine
  Lupinus bridgesii (S. Watson) A. Heller -- not accepted
  Lupinus brunneo-maculatus Eastw. -- not accepted
  Lupinus buckinghamii C.P. Sm. -- not accepted
  Lupinus burkei S. Watson -- accepted -- largeleaf lupine
  Lupinus burkei ssp. burkei S. Watson -- accepted -- largeleaf lupine, Burke's lupine
  Lupinus burkei ssp. caeruleomontanus D.B. Dunn & B.J. Cox -- accepted -- largeleaf lupine
  Lupinus caeruleus A. Heller -- not accepted
  Lupinus caespitosus Nutt. -- accepted -- stemless dwarf lupine, dwarf lupine
  Lupinus caespitosus var. caespitosus Nutt. -- accepted -- stemless dwarf lupine
  Lupinus caespitosus var. utahensis (S. Watson) B.J. Cox -- accepted -- Utah lupine
  Lupinus calcaratus Kellogg -- not accepted
  Lupinus calcicola C.P. Sm. -- not accepted
  Lupinus campbelliae Eastw. -- not accepted
  Lupinus campbelliae var. bernardinus Eastw. -- not accepted
  Lupinus candicans Rydb. -- not accepted
  Lupinus canescens Howell -- not accepted
  Lupinus capitatus Greene -- not accepted
  Lupinus capitisamniculi C.P. Sm. -- not accepted
  Lupinus cariciformis C.P. Sm. -- not accepted
  Lupinus carolus-bucarii C.P. Sm. -- not accepted
  Lupinus caudatus Kellogg -- accepted -- tailcup lupine
  Lupinus caudatus ssp. argophyllus (A. Gray) L.Ll. Phillips -- accepted -- Kellogg's spurred lupine, Kellogg spurred lupine
  Lupinus caudatus ssp. caudatus Kellogg -- accepted -- tailcup lupine
  Lupinus caudatus ssp. cutleri (Eastw.) L.W. Hess & D.B. Dunn -- accepted -- Cutler's spurred lupine, Kellogg's spurred lupine
  Lupinus caudatus ssp. montigenus (A. Heller) L.W. Hess & D.B. Dunn -- accepted -- Kellogg's spurred lupine
  Lupinus caudatus var. argophyllus (A. Gray) S.L. Welsh -- not accepted
  Lupinus caudatus var. cutleri (Eastw.) S.L. Welsh -- not accepted
  Lupinus caudatus var. rubricaulis (Greene) C.P. Sm. -- not accepted
  Lupinus caudatus var. submanens C.P. Sm. -- not accepted
  Lupinus caudatus var. subtenellus C.P. Sm. -- not accepted
  Lupinus caudatus var. utahensis (S. Watson) S.L. Welsh -- not accepted
  Lupinus caudiciferus Eastw. -- not accepted
  Lupinus cervinus Kellogg -- accepted -- Santa Lucia lupine
  Lupinus chamissonis Eschsch. -- accepted -- Chamisso bush lupine
  Lupinus chamissonis var. longifolius S. Watson -- not accepted
  Lupinus charlestonensis C.P. Sm. -- not accepted
  Lupinus chihuahuensis S. Watson -- accepted -- Chihuahuan lupine
  Lupinus chionophilus Greene ex C.F. Baker -- not accepted
  Lupinus christinae A. Heller -- not accepted
  Lupinus citrinus Kellogg -- accepted -- orangeflower lupine, orange lupine
  Lupinus citrinus var. citrinus Kellogg -- accepted -- orangeflower lupine
  Lupinus citrinus var. deflexus (Congdon) Jeps. -- accepted -- orangeflower lupine, Mariposa lupine
  Lupinus clarkensis C.P. Sm. -- not accepted
  Lupinus clokeyanus C.P. Sm. -- not accepted
  Lupinus columbianus A. Heller -- not accepted
  Lupinus columbianus var. simplex C.P. Sm. -- not accepted
  Lupinus comatus Rydb. -- not accepted
  Lupinus concinnus J. Agardh -- accepted -- bajada lupine, scarlet lupine, elegant lupine
  Lupinus concinnus ssp. concinnus J. Agardh -- accepted -- bajada lupine, scarlet lupine
  Lupinus concinnus ssp. optatus (C.P. Sm.) D.B. Dunn -- accepted -- bajada lupine, scarlet lupine
  Lupinus concinnus ssp. orcuttii (S. Watson) D.B. Dunn -- accepted -- Orcutt's lupine, Orcutt lupine
  Lupinus concinnus var. agardhianus (A. Heller) C.P. Sm. -- not accepted
  Lupinus concinnus var. arizonicus S. Watson -- not accepted
  Lupinus concinnus var. brevior (Jeps.) D.B. Dunn -- not accepted
  Lupinus concinnus var. desertorum (A. Heller) C.P. Sm. -- not accepted
  Lupinus concinnus var. optatus C.P. Sm. -- not accepted
  Lupinus concinnus var. orcuttii (S. Watson) C.P. Sm. -- not accepted
  Lupinus concinnus var. pallidus (Brandegee) C.P. Sm. -- not accepted
  Lupinus confertus Kellogg -- accepted -- crowded lupine, prairie lupine
  Lupinus confertus var. ramosus (Jeps.) Eastw. -- not accepted
  Lupinus confusus A. Heller -- not accepted
  Lupinus congdonii (C.P. Sm.) D.B. Dunn -- accepted -- Congdon's lupine
  Lupinus constancei T.W. Nelson & J.P. Nelson -- accepted -- lassicus lupine, The Lassics lupine
  Lupinus corymbosus A. Heller -- not accepted
  Lupinus covillei Greene -- accepted -- shaggy lupine
  Lupinus crassulus Greene ex C.F. Baker -- not accepted
  Lupinus crassus Payson -- accepted -- Paradox lupine
  Lupinus croceus Eastw. -- accepted -- saffron-flowered lupine, Mt. Eddy lupine
  Lupinus croceus var. croceus Eastw. -- accepted -- saffron-flowered lupine, Mt. Eddy lupine
  Lupinus croceus var. pilosellus (Eastw.) Munz -- accepted -- saffron-flowered lupine, Mt. Eddy lupine
  Lupinus culbertsonii Greene -- accepted -- Hoskett Meadows lupine
  Lupinus culbertsonii ssp. culbertsonii Greene -- accepted -- Hoskett Meadows lupine
  Lupinus culbertsonii ssp. hypolasius (Greene) B.J. Cox -- accepted -- Hoskett Meadows lupine
  Lupinus cumulicola Small -- accepted -- sky-blue lupine
  Lupinus cusickii S. Watson -- accepted -- Cusick's lupine
  Lupinus cusickii ssp. abortivus (Greene) B.J. Cox -- accepted -- Cusick's lupine
  Lupinus cusickii ssp. brachypodus (Piper) B.J. Cox -- accepted -- Cusick's lupine
  Lupinus cusickii ssp. cusickii S. Watson -- accepted -- Cusick's lupine
  Lupinus cutleri Eastw. -- not accepted
  Lupinus cyaneus Rydb. -- not accepted
  Lupinus cytisoides J. Agardh -- not accepted
  Lupinus dalesiae Eastw. -- accepted -- Quincy lupine
  Lupinus danaus A. Gray -- not accepted
  Lupinus danaus var. bicolor Eastw. -- not accepted
  Lupinus dasyphyllus Greene -- not accepted
  Lupinus debilis Eastw. -- not accepted
  Lupinus debilis Greene ex C.F. Baker -- not accepted
  Lupinus decumbens Torr. -- not accepted
  Lupinus decumbens var. argophyllus A. Gray -- not accepted
  Lupinus dedeckerae Munz & D.B. Dunn -- not accepted
  Lupinus deflexus Congdon -- not accepted
  Lupinus densiflorus Benth. -- accepted -- whitewhorl lupine
  Lupinus densiflorus ssp. austrocollium (C.P. Sm.) D.B. Dunn -- not accepted
  Lupinus densiflorus ssp. lacteus (Kellogg) R.M. Beauch. -- not accepted
  Lupinus densiflorus var. altus C.P. Sm. -- not accepted
  Lupinus densiflorus var. aureus (Kellogg) Munz -- accepted -- whitewhorl lupine
  Lupinus densiflorus var. austrocollium C.P. Sm. -- accepted -- whitewhorl lupine
  Lupinus densiflorus var. crinitus Eastw. ex C.P. Sm. -- not accepted
  Lupinus densiflorus var. curvicarinus C.P. Sm. -- not accepted
  Lupinus densiflorus var. densiflorus Benth. -- accepted -- whitewhorl lupine
  Lupinus densiflorus var. dudleyi C.P. Sm. -- not accepted
  Lupinus densiflorus var. glareosus (Elmer) C.P. Sm. -- accepted -- whitewhorl lupine
  Lupinus densiflorus var. lacteus (Kellogg) C.P. Sm. -- accepted -- whitewhorl lupine
  Lupinus densiflorus var. latidens C.P. Sm. -- not accepted
  Lupinus densiflorus var. latilabrus C.P. Sm. -- not accepted
  Lupinus densiflorus var. mcgregorii C.P. Sm. -- not accepted
  Lupinus densiflorus var. menziesii (J. Agardh) C.P. Sm. -- not accepted
  Lupinus densiflorus var. palustris (Kellogg) C.P. Sm. -- accepted -- whitewhorl lupine
  Lupinus densiflorus var. perfistulosus C.P. Sm. -- not accepted
  Lupinus densiflorus var. persecundus C.P. Sm. -- not accepted
  Lupinus densiflorus var. scopulorum C.P. Sm. -- not accepted
  Lupinus densiflorus var. stanfordianus C.P. Sm. -- not accepted
  Lupinus densiflorus var. stenopetalus C.P. Sm. -- not accepted
  Lupinus densiflorus var. sublanatus C.P. Sm. -- not accepted
  Lupinus densiflorus var. tracyi C.P. Sm. -- not accepted
  Lupinus densiflorus var. trichocalyx C.P. Sm. -- not accepted
  Lupinus densiflorus var. vastiticola C.P. Sm. -- not accepted
  Lupinus densiflorus var. versabilis C.P. Sm. -- not accepted
  Lupinus depressus Rydb. -- accepted -- depressed lupine
  Lupinus desertorum A. Heller -- not accepted
  Lupinus dichrous Greene -- not accepted
  Lupinus diffusus Nutt. -- accepted -- Oak Ridge lupine
  Lupinus dispersus A. Heller -- not accepted
  Lupinus diversalpicola C.P. Sm. -- not accepted
  Lupinus donnellyensis C.P. Sm. -- not accepted
  Lupinus douglasii var. fallax (Greene) J.T. Howell -- not accepted
  Lupinus dudleyi (C.P. Sm.) Eastw. -- not accepted
  Lupinus duranii Eastw. -- accepted -- Mono Lake lupine
  Lupinus edward-palmeri C.P. Sm. -- not accepted
  Lupinus edwin-livingstonii C.P. Sm. -- not accepted
  Lupinus elatus I.M. Johnst. -- accepted -- tall silky lupine
  Lupinus elegans Kunth -- accepted -- elegant lupine, Mexican lupine
  Lupinus elmeri Greene -- accepted -- Elmer's lupine
  Lupinus elongatus Greene ex A. Heller -- not accepted
  Lupinus enodatus C.P. Sm. -- not accepted
  Lupinus erectus L.F. Hend. -- not accepted
  Lupinus evermannii Rydb. -- accepted -- Evermann's lupine
  Lupinus excubitus M.E. Jones -- accepted -- grape soda lupine, bush lupine
  Lupinus excubitus ssp. austromontanus (A. Heller) R.M. Beauch. -- not accepted
  Lupinus excubitus ssp. hallii (Abrams) D.B. Dunn -- not accepted
  Lupinus excubitus ssp. medius (Jeps.) R.M. Beauch. -- not accepted
  Lupinus excubitus var. austromontanus (A. Heller) C.P. Sm. -- accepted -- mountain bush lupine
  Lupinus excubitus var. excubitus M.E. Jones -- accepted -- grape soda lupine, interior bush lupine
  Lupinus excubitus var. hallii (Abrams) C.P. Sm. -- accepted -- Hall's bush lupine
  Lupinus excubitus var. johnstonii C.P. Sm. -- accepted -- interior bush lupine
  Lupinus excubitus var. medius (Jeps.) Munz -- accepted -- Mountain Springs bush lupine, Mountains Springs bush lupine
  Lupinus eximius Burtt Davy -- accepted -- San Mateo tree lupine
  Lupinus falcifer Nutt. ex Torr. & A. Gray (pro. syn.) -- not accepted
  Lupinus falsocomatus C.P. Sm. -- not accepted
  Lupinus falsoformus C.P. Sm. -- not accepted
  Lupinus falsograyi C.P. Sm. -- not accepted
  Lupinus fikeranus C.P. Sm. -- not accepted
  Lupinus fissicalyx A. Heller -- accepted -- Grants Pass lupine
  Lupinus flavescens Rydb. -- not accepted
  Lupinus flavicaulis Rydb. -- not accepted
  Lupinus flavoculatus A. Heller -- accepted -- yelloweyes, yelloweye lupine
  Lupinus flavopinum C.P. Sm. -- not accepted
  Lupinus flexuosus Lindl. ex J. Agardh -- not accepted
  Lupinus floribundus Greene -- not accepted
  Lupinus foliosus (Torr. & A. Gray) Nutt. ex Hook. -- not accepted
  Lupinus foliosus var. stenophyllus Nutt. -- not accepted
  Lupinus formosus Greene -- accepted -- summer lupine
  Lupinus formosus var. bridgesii (S. Watson) Greene -- not accepted
  Lupinus formosus var. clemensiae C.P. Sm. -- not accepted
  Lupinus formosus var. elatus (I.M. Johnst.) C.P. Sm. -- not accepted
  Lupinus formosus var. formosus Greene -- accepted -- summer lupine
  Lupinus formosus var. hyacinthinus (Greene ex C.F. Baker) C.P. Sm. -- not accepted
  Lupinus formosus var. robustus C.P. Sm. -- accepted -- summer lupine
  Lupinus formosus var. sonomensis (A. Heller) Conrad -- not accepted
  Lupinus forslingii C.P. Sm. -- not accepted
  Lupinus franciscanus Greene -- not accepted
  Lupinus fremontensis C.P. Sm. -- not accepted
  Lupinus fruticulosus Greene -- not accepted
  Lupinus fulcratus Greene -- accepted -- greenstipule lupine
  Lupinus fulvomaculatus Payson -- not accepted
  Lupinus gakonensis C.P. Sm. -- not accepted
  Lupinus garfieldensis C.P. Sm. -- accepted -- Garfield lupine
  Lupinus garrettianus C.P. Sm. -- not accepted
  Lupinus gayophytophilus C.P. Sm. -- not accepted
  Lupinus glabratus (S. Watson) Rydb. -- not accepted
  Lupinus glacialis C.P. Sm. -- not accepted
  Lupinus glareosus Elmer -- not accepted
  Lupinus gormanii Piper -- accepted -- Gorman's lupine
  Lupinus gracilentus Greene -- accepted -- green slender lupine
  Lupinus gracilis J. Agardh -- not accepted
  Lupinus gracilis Nutt. -- not accepted
  Lupinus grandifolius Lindl. ex J. Agardh -- not accepted
  Lupinus grayi (S. Watson) S. Watson -- accepted -- Sierra lupine, Gray's lupine
  Lupinus grayi var. medius (Jeps.) C.P. Sm. -- not accepted
  Lupinus greenei A. Heller -- not accepted
  Lupinus guadalupensis Greene -- accepted -- Guadalupe Island lupine
  Lupinus habrocomus Greene -- not accepted
  Lupinus hallii Abrams -- not accepted
  Lupinus hartmannii C.P. Sm. -- accepted -- Chisos Mountain bluebonnet
  Lupinus hartwegii Lindl. -- accepted -- Hartweg's bluebonnet
  Lupinus havardii S. Watson -- accepted -- Big Bend bluebonnet, Chisos bluebonnet
  Lupinus hellerae A. Heller -- not accepted
  Lupinus helleri Greene -- not accepted
  Lupinus herman-workii C.P. Sm. -- not accepted
  Lupinus hesperius A. Heller -- not accepted
  Lupinus hilarianus Benth. -- accepted
  Lupinus hillii Greene -- accepted -- Hill's lupine
  Lupinus hillii var. arizonicus (C.P. Sm.) Harmon -- accepted -- Hill's lupine
  Lupinus hillii var. hillii Greene -- accepted -- Hill's lupine
  Lupinus hillii var. osterhoutianus (C.P. Sm.) Harmon -- accepted -- Osterhout's lupine, Osterhout lupine
  Lupinus hirsutissimus Benth. -- accepted -- stinging annual lupine
  Lupinus hirsutulus Greene -- not accepted
  Lupinus hispanicus Boiss. & Reut. -- accepted -- Spanish lupine
  Lupinus hispanicus ssp. bicolor (Merino) Gladst. -- accepted -- Spanish lupine
  Lupinus hiulcoflorus C.P. Sm. -- not accepted
  Lupinus holmgrenianus C.P. Sm. -- accepted -- Holmgren's lupine
  Lupinus holosericeus Nutt. -- accepted -- holo lupine, Nuttall's lupine
  Lupinus holosericeus var. amblyophyllus B.L. Rob. -- not accepted
  Lupinus holosericeus var. utahensis S. Watson -- not accepted
  Lupinus horizontalis A. Heller -- accepted -- sunset lupine
  Lupinus horizontalis var. horizontalis A. Heller -- accepted -- sunset lupine
  Lupinus horizontalis var. platypetalus C.P. Sm. -- accepted -- sunset lupine
  Lupinus huachucanus M.E. Jones -- accepted -- Huachuca Mountain lupine
  Lupinus huffmanii C.P. Sm. -- not accepted
  Lupinus hullianus C.P. Sm. -- not accepted
  Lupinus humicola A. Nelson -- not accepted
  Lupinus humicola var. tetonensis E.E. Nelson -- not accepted
  Lupinus hyacinthinus Greene ex C.F. Baker -- accepted -- San Jacinto lupine
  Lupinus hybridus Lem. -- accepted -- hybrid lupine
  Lupinus hypolasius Greene -- not accepted
  Lupinus ingratus Greene -- not accepted
  Lupinus ingratus var. arizonicus C.P. Sm. -- not accepted
  Lupinus insignis Glaz. ex C.P. Sm. -- accepted
  Lupinus intermontanus A. Heller -- not accepted
  Lupinus inyoensis var. demissus C.P. Sm. -- not accepted
  Lupinus inyoensis var. eriocalyx C.P. Sm. -- not accepted
  Lupinus ione-grisetae C.P. Sm. -- not accepted
  Lupinus johannis-howellii C.P. Sm. -- accepted -- Howell's lupine
  Lupinus jonesii Blank. -- not accepted -- Jones' lupine
  Lupinus jonesii Rydb. -- accepted -- Jones' lupine
  Lupinus junipericola C.P. Sm. -- not accepted
  Lupinus kerrii Eastw. -- not accepted
  Lupinus kingii S. Watson -- accepted -- King's lupine
  Lupinus kingii var. argillaceus (Wooton & Standl.) C.P. Sm. -- accepted -- King's lupine
  Lupinus kingii var. kingii S. Watson -- accepted -- King's lupine
  Lupinus kiskensis C.P. Sm. -- not accepted
  Lupinus klamathensis Eastw. -- not accepted -- Klamath lupine
  Lupinus kuschei Eastw. -- accepted -- Yukon lupine
  Lupinus lacus-huntingtonii C.P. Sm. -- not accepted
  Lupinus lacuum-trinitatum C.P. Sm. -- not accepted
  Lupinus laetus Wooton & Standl. -- not accepted
  Lupinus lagunensis M.E. Jones -- not accepted
  Lupinus lanatocarinus C.P. Sm. -- not accepted
  Lupinus lapidicola A. Heller -- accepted -- Mt. Eddy lupine, Heller's dwarf lupine
  Lupinus lariversianus C.P. Sm. -- not accepted
  Lupinus larsonanus C.P. Sm. -- not accepted
  Lupinus lasalensis D.B. Dunn -- not accepted
  Lupinus lasiotropis Greene ex Eastw. -- not accepted
  Lupinus lassenensis Eastw. -- not accepted
  Lupinus latifolius Lindl. ex J. Agardh -- accepted -- broadleaf lupine, broad-leaf lupine
  Lupinus latifolius ssp. canadensis (C.P. Sm.) D.B. Dunn -- accepted
  Lupinus latifolius ssp. dudleyi (C.P. Sm.) Kenney & D.B. Dunn -- accepted -- broadleaf lupine
  Lupinus latifolius ssp. latifolius Lindl. ex J. Agardh -- accepted -- broadleaf lupine
  Lupinus latifolius ssp. leucanthus (Rydb.) Kenney & D.B. Dunn -- accepted -- broadleaf lupine
  Lupinus latifolius ssp. longipes (Greene) Kenney & D.B. Dunn -- accepted -- broadleaf lupine
  Lupinus latifolius ssp. parishii (C.P. Sm.) Kenney & D.B. Dunn -- accepted -- broadleaf lupine, Parish lupine
  Lupinus latifolius ssp. viridifolius (A. Heller) Kenney & D.B. Dunn -- accepted -- broadleaf lupine
  Lupinus latifolius ssp. viridifolius var. barbatus (L.F. Hend.) Munz -- not accepted -- broadleaf lupine
  Lupinus latifolius ssp. viridifolius var. viridifolius (A. Heller) C.P. Sm. -- not accepted -- broadleaf lupine
  Lupinus latifolius ssp. wigginsii (C.P. Sm.) Kenney & D.B. Dunn -- accepted
  Lupinus latifolius var. barbatus (L.F. Hend.) Munz -- accepted -- broadleaf lupine
  Lupinus latifolius var. canadensis C.P. Sm. -- not accepted
  Lupinus latifolius var. columbianus (A. Heller) C.P. Sm. -- not accepted
  Lupinus latifolius var. dudleyi C.P. Sm. -- not accepted
  Lupinus latifolius var. ligulatus (Greene) C.P. Sm. -- not accepted
  Lupinus latifolius var. parishii auct. non C.P. Sm. -- not accepted
  Lupinus latifolius var. parishii C.P. Sm. -- not accepted
  Lupinus latifolius var. simplex (C.P. Sm.) Isely -- not accepted
  Lupinus latifolius var. subalpinus (Piper & B.L. Rob.) C.P. Sm. -- not accepted
  Lupinus latifolius var. thompsonianus (C.P. Sm.) C.L. Hitchc. -- not accepted
  Lupinus latifolius var. viridifolius (A. Heller) C.P. Sm. -- accepted -- broadleaf lupine
  Lupinus latifolius var. wigginsii C.P. Sm. -- not accepted
  Lupinus laxiflorus Douglas ex Lindl. -- not accepted
  Lupinus laxiflorus var. arbustus (Douglas ex Lindl.) M.E. Jones -- not accepted
  Lupinus laxiflorus var. argophyllus (A. Gray) M.E. Jones -- not accepted
  Lupinus laxiflorus var. calcaratus (Kellogg) C.P. Sm. -- not accepted
  Lupinus laxiflorus var. cognatus C.P. Sm. -- not accepted
  Lupinus laxiflorus var. corymbosus (A. Heller) Jeps. -- not accepted
  Lupinus laxiflorus var. elmerianus C.P. Sm. -- not accepted
  Lupinus laxiflorus var. foliosus Torr. & A. Gray -- not accepted
  Lupinus laxiflorus var. lyleianus C.P. Sm. -- not accepted
  Lupinus laxiflorus var. pseudoparviflorus (Rydb.) C.P. Sm. & H. St. John -- not accepted
  Lupinus laxiflorus var. silvicola (A. Heller) C.P. Sm. -- not accepted
  Lupinus laxiflorus var. tenellus (Douglas ex G. Don) Torr. & A. Gray -- not accepted
  Lupinus laxispicatus Rydb. -- not accepted
  Lupinus laxispicatus var. whithamii C.P. Sm. -- not accepted
  Lupinus laxus Rydb. -- not accepted
  Lupinus layneae Eastw. -- not accepted
  Lupinus lemmonii C.P. Sm. -- accepted -- Lemmon's lupine
  Lupinus lenorensis C.P. Sm. -- not accepted
  Lupinus lepidus Douglas ex Lindl. -- accepted -- Pacific lupine
  Lupinus lepidus ssp. aridus (Douglas) Detling -- not accepted
  Lupinus lepidus ssp. caespitosus (Nutt.) Detling -- not accepted
  Lupinus lepidus ssp. confertus (Kellogg) Detling -- not accepted
  Lupinus lepidus ssp. cusickii (S. Watson) Detling -- not accepted
  Lupinus lepidus ssp. medius Detling -- not accepted
  Lupinus lepidus var. aridus (Douglas) Jeps. -- not accepted
  Lupinus lepidus var. artulus Jeps. -- not accepted
  Lupinus lepidus var. ashlandensis (J.B. Cox) Isely -- not accepted -- Mt. Ashland lupine, Mount Ashland lupine
  Lupinus lepidus var. confertus (Kellogg) C.P. Sm. -- not accepted
  Lupinus lepidus var. constancei (T.W. Nelson & J.P. Nelson) Isely -- not accepted
  Lupinus lepidus var. culbertsonii (Greene) C.P. Sm. -- not accepted
  Lupinus lepidus var. cusickii (S. Watson) C.L. Hitchc. -- not accepted
  Lupinus lepidus var. lobbii (A. Gray ex S. Watson) C.L. Hitchc. -- not accepted
  Lupinus lepidus var. medius (Detling) H. St. John -- not accepted
  Lupinus lepidus var. ramosus Jeps. -- not accepted
  Lupinus lepidus var. sellulus (Kellogg) Barneby -- not accepted
  Lupinus lepidus var. torreyi (A. Gray ex S. Watson) Jeps. -- not accepted
  Lupinus lepidus var. utahensis (S. Watson) C.L. Hitchc. -- not accepted
  Lupinus leptophyllus Benth. -- not accepted
  Lupinus leptostachyus Greene -- not accepted
  Lupinus leucanthus Rydb. -- not accepted
  Lupinus leucophyllus Douglas ex Lindl. -- accepted -- velvet lupine, whiteleaf lupine
  Lupinus leucophyllus ssp. erectus (L.F. Hend.) Harmon -- accepted -- velvet lupine
  Lupinus leucophyllus ssp. leucophyllus Douglas ex Lindl. -- accepted -- velvet lupine
  Lupinus leucophyllus ssp. leucophyllus var. belliae C.P. Sm. -- not accepted -- velvet lupine
  Lupinus leucophyllus ssp. leucophyllus var. canescens (Howell) C.P. Sm. -- not accepted -- velvet lupine
  Lupinus leucophyllus ssp. leucophyllus var. leucophyllus Douglas ex Lindl. -- not accepted -- velvet lupine
  Lupinus leucophyllus var. belliae C.P. Sm. -- accepted -- velvet lupine
  Lupinus leucophyllus var. canescens (Howell) C.P. Sm. -- accepted -- velvet lupine
  Lupinus leucophyllus var. leucophyllus Douglas ex Lindl. -- accepted -- velvet lupine
  Lupinus leucophyllus var. plumosus (Douglas ex Lindl.) B.L. Rob. -- not accepted
  Lupinus leucophyllus var. retrorsus (L.F. Hend.) C.P. Sm. -- not accepted
  Lupinus leucophyllus var. tenuispicus (A. Nelson) C.P. Sm. -- not accepted
  Lupinus leucopsis J. Agardh -- not accepted
  Lupinus leucopsis var. bingenensis (Suksd.) C.P. Sm. -- not accepted
  Lupinus leucopsis var. dubius (C.P. Sm.) C.P. Sm. -- not accepted
  Lupinus leucopsis var. hendersonianus C.P. Sm. -- not accepted
  Lupinus leucopsis var. mollis (A. Heller) C.P. Sm. -- not accepted
  Lupinus leucopsis var. shermanensis C.P. Sm. -- not accepted
  Lupinus lignipes A. Heller -- not accepted
  Lupinus ligulatus Greene -- not accepted
  Lupinus ligulatus var. barbatus L.F. Hend. -- not accepted
  Lupinus lilacinus (A. Heller ex C.P. Sm.) A. Heller -- not accepted
  Lupinus linifolius Roth -- not accepted
  Lupinus littoralis Douglas -- accepted -- seashore lupine
  Lupinus littoralis var. layneae (Eastw.) Isely -- not accepted
  Lupinus littoralis var. variicolor (Steud.) Isely -- not accepted
  Lupinus lobbii (A. Gray ex S. Watson) A. Gray ex Greene -- not accepted
  Lupinus longifolius (S. Watson) Abrams -- accepted -- longleaf bush lupine
  Lupinus longipes Greene -- not accepted
  Lupinus longivallis C.P. Sm. -- not accepted
  Lupinus louise-bucariae C.P. Sm. -- not accepted
  Lupinus ludovicianus Greene -- accepted -- San Luis lupine
  Lupinus lupinus Rydb. -- not accepted
  Lupinus luteolus Kellogg -- accepted -- pale yellow lupine
  Lupinus lutescens C.P. Sm. -- accepted -- light yellow lupine
  Lupinus luteus L. -- accepted -- European yellow lupine
  Lupinus lutosus A. Heller -- not accepted
  Lupinus lyallii A. Gray -- accepted -- dwarf mountain lupine, Lyall's lupine
  Lupinus lyallii ssp. alcis-temporis (C.P. Sm.) B.J. Cox -- accepted -- dwarf mountain lupine
  Lupinus lyallii ssp. lyallii A. Gray -- accepted -- dwarf mountain lupine, Lyall's lupine
  Lupinus lyallii ssp. lyallii var. danaus (A. Gray) S. Watson -- not accepted -- dwarf mountain lupine, Lyall's lupine
  Lupinus lyallii ssp. lyallii var. fruticulosus (Greene) C.P. Sm. -- not accepted -- dwarf mountain lupine
  Lupinus lyallii ssp. lyallii var. lyallii A. Gray -- not accepted -- dwarf mountain lupine, Lyall's lupine
  Lupinus lyallii ssp. lyallii var. macroflorus B.J. Cox -- not accepted -- dwarf mountain lupine
  Lupinus lyallii ssp. lyallii var. roguensis B.J. Cox -- not accepted -- Rogue River lupine
  Lupinus lyallii ssp. lyallii var. villosus Jeps. -- not accepted -- dwarf mountain lupine
  Lupinus lyallii ssp. minutifolius (Eastw.) B.J. Cox -- accepted -- dwarf mountain lupine
  Lupinus lyallii ssp. subpandens C.P. Sm. ex D.B. Dunn -- accepted -- dwarf mountain lupine
  Lupinus lyallii ssp. washoensis (A. Heller) B.J. Cox -- accepted -- Washoe lupine
  Lupinus lyallii var. danaus (A. Gray) S. Watson -- accepted -- dwarf mountain lupine
  Lupinus lyallii var. fruticulosus (Greene) C.P. Sm. -- accepted -- dwarf mountain lupine
  Lupinus lyallii var. lobbii (A. Gray ex S. Watson) C.P. Sm. -- not accepted
  Lupinus lyallii var. lyallii A. Gray -- accepted -- dwarf mountain lupine
  Lupinus lyallii var. macroflorus B.J. Cox -- accepted -- dwarf mountain lupine
  Lupinus lyallii var. roguensis B.J. Cox -- accepted -- Rogue River lupine
  Lupinus lyallii var. villosus Jeps. -- accepted -- dwarf mountain lupine
  Lupinus lyleianus C.P. Sm. -- not accepted
  Lupinus mackeyi C.P. Sm. -- not accepted
  Lupinus macounii Rydb. -- not accepted
  Lupinus macrophyllus Benth. -- not accepted
  Lupinus macrostachys Rydb. -- not accepted
  Lupinus maculatus Rydb. -- accepted -- spotted lupine
  Lupinus magnificus M.E. Jones -- accepted -- Panamint Mountain lupine
  Lupinus magnificus var. glarecola M.E. Jones -- accepted -- Panamint Mountain lupine
  Lupinus magnificus var. hesperius (A. Heller) C.P. Sm. -- accepted -- Panamint Mountain lupine
  Lupinus magnificus var. magnificus M.E. Jones -- accepted -- Panamint Mountain lupine, Panamint Mountains lupine
  Lupinus magnus Greene -- not accepted
  Lupinus malacophyllus Greene -- accepted -- jawleaf lupine, softleaf lupine
  Lupinus marcusianus C.P. Sm. -- not accepted
  Lupinus marianus Rydb. -- not accepted
  Lupinus markleanus C.P. Sm. -- not accepted
  Lupinus matanuskensis C.P. Sm. -- not accepted
  Lupinus meionanthus A. Gray -- not accepted -- Lake Tahoe lupine, Tahoe lupine
  Lupinus meionanthus var. heteranthus S. Watson -- not accepted
  Lupinus meli-campestris C.P. Sm. -- not accepted
  Lupinus menziesii J. Agardh -- not accepted
  Lupinus micensis M.E. Jones -- not accepted
  Lupinus micheneri Greene -- not accepted
  Lupinus micranthus Douglas -- not accepted
  Lupinus micranthus var. bicolor (Lindl.) S. Watson -- not accepted
  Lupinus micranthus var. congdonii C.P. Sm. -- not accepted
  Lupinus micranthus var. microphyllus S. Watson -- not accepted
  Lupinus micranthus var. pachylobus (Greene) Jeps. -- not accepted
  Lupinus micranthus var. trifidus S. Watson -- not accepted
  Lupinus microcarpus Sims -- not accepted
  Lupinus microcarpus ssp. scopulorum (C.P. Sm.) C.P. Sm. -- not accepted
  Lupinus microcarpus var. densiflorus (Benth.) Jeps. -- not accepted
  Lupinus microcarpus var. horizontalis (A. Heller) Jeps. -- not accepted
  Lupinus microcarpus var. ruber (A. Heller) C.P. Sm. -- not accepted
  Lupinus milo-bakeri C.P. Sm. -- not accepted -- Milo Baker's lupine
  Lupinus minearanus C.P. Sm. -- not accepted
  Lupinus minimus Douglas ex Hook. -- accepted -- Kettle Falls lupine
  Lupinus minimus var. hellerae (A. Heller) C.P. Sm. ex H. St. John -- not accepted
  Lupinus minutifolius Eastw. -- not accepted
  Lupinus mollis A. Heller -- accepted -- soft lupine
  Lupinus mollisifolius Davidson -- not accepted
  Lupinus monticola Rydb. -- accepted -- mountain lupine
  Lupinus montigenus A. Heller -- not accepted
  Lupinus montis-cookii C.P. Sm. -- not accepted
  Lupinus montis-libertatis C.P. Sm. -- not accepted
  Lupinus moranii Dunkle -- not accepted
  Lupinus mucronulatus Howell -- not accepted
  Lupinus mucronulatus var. umatillensis C.P. Sm. -- not accepted
  Lupinus multicaulis C.P. Sm. -- not accepted
  Lupinus multicincinnis C.P. Sm. -- not accepted
  Lupinus multifolius C.P. Sm. -- not accepted
  Lupinus mutabilis Sweet -- accepted -- tarwi
  Lupinus myrianthus Greene -- not accepted
  Lupinus nanus Douglas ex Benth. -- accepted -- sky lupine, annual lupine
  Lupinus nanus ssp. latifolius (Benth. ex Torr.) D.B. Dunn -- accepted -- sky lupine
  Lupinus nanus ssp. menkerae (C.P. Sm.) D.B. Dunn -- accepted -- Menker's lupine
  Lupinus nanus ssp. nanus Douglas ex Benth. -- accepted -- sky lupine
  Lupinus nanus var. apricus (Greene) C.P. Sm. -- not accepted
  Lupinus nanus var. carnosulus (Greene) C.P. Sm. -- not accepted
  Lupinus nanus var. latifolius Benth. ex Torr. -- not accepted
  Lupinus nanus var. maritimus Hoover -- not accepted
  Lupinus nanus var. menkerae C.P. Sm. -- not accepted
  Lupinus nanus var. perlasius C.P. Sm. -- not accepted
  Lupinus nanus var. vallicola (A. Heller) C.P. Sm. -- not accepted
  Lupinus navaliformis A. Heller -- not accepted
  Lupinus navicularis A. Heller -- not accepted
  Lupinus nemoralis Greene -- not accepted
  Lupinus neomexicanus Greene -- accepted -- New Mexico lupine
  Lupinus nevadensis A. Heller -- accepted -- Nevada lupine
  Lupinus nipomensis Eastw. -- accepted -- Nipomo Mesa lupine
  Lupinus nootkatensis Donn ex Sims -- accepted -- Nootka lupine
  Lupinus nootkatensis var. ethel-looffiae C.P. Sm. -- not accepted
  Lupinus nootkatensis var. fruticosus Sims -- accepted -- Nootka lupine
  Lupinus nootkatensis var. glaber Hook. -- not accepted
  Lupinus nootkatensis var. henry-looffii C.P. Sm. -- not accepted
  Lupinus nootkatensis var. kjellmannii Ostenf. -- not accepted
  Lupinus nootkatensis var. nootkatensis Donn ex Sims -- accepted -- Nootka lupine
  Lupinus nootkatensis var. perlanatus C.P. Sm. -- not accepted
  Lupinus nootkatensis var. unalaskensis S. Watson -- not accepted
  Lupinus nuttallii S. Watson -- not accepted
  Lupinus obtusilobus A. Heller -- accepted -- bluntlobe lupine, ornate lupine
  Lupinus odoratus A. Heller -- accepted -- Mojave lupine, Mojave royal lupine
  Lupinus odoratus var. odoratus A. Heller -- accepted -- Mojave lupine, Mojave royal lupine
  Lupinus odoratus var. pilosellus C.P. Sm. -- accepted -- Mojave lupine, Mojave royal lupine
  Lupinus odoratus var. rubens (Rydb.) Jeps. -- not accepted
  Lupinus onustus S. Watson -- accepted -- Plumas lupine
  Lupinus orcuttii S. Watson -- not accepted
  Lupinus oreganus A. Heller -- accepted -- Oregon lupine
  Lupinus oreganus var. kincaidii C.P. Sm. -- accepted -- Kincaid's lupine
  Lupinus oreganus var. oreganus A. Heller -- accepted -- Oregon lupine
  Lupinus oreganus var. pusillulus C.P. Sm. -- not accepted
  Lupinus ornatus Douglas ex Lindl. -- accepted -- ornate lupine
  Lupinus ornatus var. glabratus S. Watson -- not accepted
  Lupinus ornatus var. obtusilobus (A. Heller) C.P. Sm. -- not accepted
  Lupinus osterhoutianus C.P. Sm. -- not accepted
  Lupinus ovinus Greene -- not accepted
  Lupinus pachylobus Greene -- accepted -- Mt. Diablo lupine
  Lupinus padre-crowleyi C.P. Sm. -- accepted -- DeDecker's lupine
  Lupinus palaestinus Boiss. -- accepted
  Lupinus pallidipes A. Heller -- not accepted
  Lupinus pallidus Brandegee -- accepted -- pale desert lupine
  Lupinus palmeri S. Watson -- accepted -- bluebonnet lupine, Palmer's lupine
  Lupinus parishii (C.P. Sm.) Eastw. -- not accepted
  Lupinus parviflorus Nutt. ex Hook. & Arn. -- accepted -- lodgepole lupine
  Lupinus parviflorus ssp. floribundus (Greene) Harmon -- accepted -- lodgepole lupine
  Lupinus parviflorus ssp. myrianthus (Greene) Harmon -- accepted -- lodgepole lupine
  Lupinus parviflorus ssp. myrianthus var. fulvomaculatus (Payson) Harmon -- not accepted -- lodgepole lupine
  Lupinus parviflorus ssp. myrianthus var. myrianthus (Greene) Harmon -- not accepted -- lodgepole lupine
  Lupinus parviflorus ssp. parviflorus Nutt. ex Hook. & Arn. -- accepted -- lodgepole lupine
  Lupinus parviflorus var. fulvomaculatus (Payson) Harmon -- accepted -- lodgepole lupine
  Lupinus parviflorus var. myrianthus (Greene) Harmon -- accepted -- lodgepole lupine
  Lupinus patulipes C.P. Sm. -- not accepted
  Lupinus paynei Davidson -- not accepted
  Lupinus peirsonii H. Mason -- accepted -- long lupine
  Lupinus pendeltonii A. Heller -- not accepted
  Lupinus pennellianus A. Heller ex Eastw. -- not accepted
  Lupinus perditorum Greene -- not accepted
  Lupinus perennis L. -- accepted -- sundial lupine
  Lupinus perennis ssp. gracilis (Chap.) D.B. Dunn -- accepted -- sundial lupine
  Lupinus perennis ssp. latifolius (Lindl. ex J. Agardh) L.Ll. Phillips -- not accepted
  Lupinus perennis ssp. nootkatensis (Donn ex Sims) L.L. Phillips -- not accepted
  Lupinus perennis ssp. perennis L. -- accepted -- sundial lupine
  Lupinus perennis ssp. perennis var. occidentalis S. Watson -- not accepted -- sundial lupine
  Lupinus perennis ssp. perennis var. perennis L. -- not accepted -- sundial lupine
  Lupinus perennis var. gracilis Chapm. -- not accepted
  Lupinus perennis var. occidentalis S. Watson -- accepted -- sundial lupine
  Lupinus perennis var. perennis L. -- accepted -- sundial lupine
  Lupinus perglaber Eastw. -- not accepted
  Lupinus persistens A. Heller -- not accepted
  Lupinus pilosellus Eastw. -- not accepted
  Lupinus pilosus L. -- accepted -- blue lupine
  Lupinus pinetorum M.E. Jones -- not accepted
  Lupinus piperi B.L. Rob. -- not accepted
  Lupinus piperitus Davidson -- not accepted
  Lupinus piperitus var. sparsipilosus Eastw. -- not accepted
  Lupinus pipersmithii A. Heller -- not accepted
  Lupinus platanophilus M.E. Jones -- not accepted
  Lupinus plattensis S. Watson -- accepted -- Nebraska lupine, Platte lupine
  Lupinus plebeius Greene ex C.F. Baker -- not accepted
  Lupinus plumosus Douglas ex Lindl. -- not accepted
  Lupinus polycarpus Greene -- accepted -- smallflower lupine
  Lupinus polyphyllus Lindl. -- accepted -- bigleaf lupine, Washington lupine, garden lupine, altramuz perenne, marsh lupine
  Lupinus polyphyllus ssp. arcticus (S. Watson) L.L. Phillips -- not accepted
  Lupinus polyphyllus ssp. bernardinus (Abrams ex C.P. Sm.) Munz -- accepted -- bigleaf lupine
  Lupinus polyphyllus ssp. polyphyllus Lindl. -- accepted -- bigleaf lupine
  Lupinus polyphyllus ssp. polyphyllus var. grandifolius (Lindl. ex J. Agardh) Torr. & A. Gray -- not accepted -- bigleaf lupine
  Lupinus polyphyllus ssp. polyphyllus var. pallidipes (A. Heller) C.P. Sm. -- not accepted -- bigleaf lupine
  Lupinus polyphyllus ssp. polyphyllus var. polyphyllus Lindl. -- not accepted -- bigleaf lupine
  Lupinus polyphyllus ssp. superbus (A. Heller) Munz -- accepted -- bigleaf lupine
  Lupinus polyphyllus var. albiflorus Lindl. -- not accepted
  Lupinus polyphyllus var. ammophilus (Greene) Barneby -- not accepted
  Lupinus polyphyllus var. burkei (S. Watson) C.L. Hitchc. -- not accepted
  Lupinus polyphyllus var. grandifolius (Lindl. ex J. Agardh) Torr. & A. Gray -- accepted -- bigleaf lupine
  Lupinus polyphyllus var. humicola (A. Nelson) Barneby -- not accepted
  Lupinus polyphyllus var. pallidipes (A. Heller) C.P. Sm. -- accepted -- bigleaf lupine
  Lupinus polyphyllus var. polyphyllus Lindl. -- accepted -- bigleaf lupine
  Lupinus polyphyllus var. prunophilus (M.E. Jones) L.Ll. Phillips -- not accepted
  Lupinus polyphyllus var. saxosus (Howell) Barneby -- not accepted
  Lupinus pondii Greene -- not accepted
  Lupinus populorum C.P. Sm. -- not accepted
  Lupinus pratensis A. Heller -- accepted -- Inyo Meadow lupine
  Lupinus pratensis var. eriostachyus C.P. Sm. -- accepted -- Inyo Meadow lupine
  Lupinus pratensis var. pratensis A. Heller -- accepted -- Inyo Meadow lupine
  Lupinus prato-lacuum C.P. Sm. -- not accepted
  Lupinus procerus Greene ex A. Heller -- not accepted
  Lupinus prunophilus M.E. Jones -- accepted -- hairy bigleaf lupine, Robinson's lupine
  Lupinus pseudopolyphyllus C.P. Sm. -- not accepted
  Lupinus psoraleoides Pollard -- not accepted
  Lupinus pulcherrimus Rydb. -- not accepted
  Lupinus pumicola A. Heller -- not accepted
  Lupinus punto-reyesensis C.P. Sm. -- accepted -- Point Reyes lupine
  Lupinus puroviridis C.P. Sm. -- not accepted
  Lupinus purpurascens A. Heller -- accepted -- Yuba lupine
  Lupinus pusillus Pursh -- accepted -- rusty lupine, low lupine, small lupine
  Lupinus pusillus ssp. intermontanus (A. Heller) D.B. Dunn -- accepted -- Intermountain lupine
  Lupinus pusillus ssp. pusillus Pursh -- accepted -- rusty lupine
  Lupinus pusillus ssp. rubens (Rydb.) D.B. Dunn -- accepted -- rusty lupine
  Lupinus pusillus var. intermontanus (A. Heller) C.P. Sm. -- not accepted
  Lupinus pusillus var. rubens (Rydb.) S.L. Welsh -- not accepted
  Lupinus quercetorum A. Heller -- not accepted
  Lupinus quercus-jugi C.P. Sm. -- not accepted
  Lupinus ramosus E.E. Nelson -- not accepted
  Lupinus relictus Hultén -- not accepted
  Lupinus reticularis Desv. -- not accepted
  Lupinus reticulatus Desv. -- not accepted
  Lupinus retrorsus L.F. Hend. -- not accepted
  Lupinus rickeri C.P. Sm. -- not accepted
  Lupinus rinae Eastw. -- not accepted
  Lupinus rivularis Douglas ex Lindl. -- accepted -- riverbank lupine
  Lupinus rivularis var. barbatus (L.F. Hend.) Jeps. -- not accepted
  Lupinus rivularis var. latifolius (Lindl. ex J. Agardh) S. Watson -- not accepted
  Lupinus rivularis var. viridifolius (A. Heller) Jeps. -- not accepted
  Lupinus rosei Eastw. -- not accepted
  Lupinus roseolus Rydb. -- accepted -- rosy lupine
  Lupinus rostratus Eastw. -- not accepted
  Lupinus rubens Rydb. -- not accepted
  Lupinus rubens var. flavoculatus (A. Heller) C.P. Sm. -- not accepted
  Lupinus ruber A. Heller -- accepted -- red lupine
  Lupinus rubricaulis Greene -- not accepted
  Lupinus rydbergii Blank. -- not accepted
  Lupinus sabinianus Douglas ex Lindl. -- accepted -- Sabin's lupine
  Lupinus sabinii Douglas ex Hook. -- not accepted
  Lupinus sabuli C.P. Sm. -- not accepted
  Lupinus sabuli var. subpersistens C.P. Sm. -- not accepted
  Lupinus sabulosus A. Heller -- not accepted
  Lupinus saxosus Howell -- accepted -- rock lupine, stone lupine
  Lupinus saxosus var. saxosus Howell -- accepted -- rock lupine, stonyground lupine
  Lupinus saxosus var. subsericeus (B.L. Rob. ex Piper) C.P. Sm. -- accepted -- rock lupine
  Lupinus scaposus Rydb. -- not accepted
  Lupinus scheuberae Rydb. -- not accepted
  Lupinus sellulus Kellogg -- accepted -- Donner Lake lupine, Sierra lupine
  Lupinus sellulus ssp. sellulus Kellogg -- accepted -- Donner Lake lupine
  Lupinus sellulus ssp. sellulus var. artulus (Jeps.) Eastw. -- not accepted -- Donner Lake lupine
  Lupinus sellulus ssp. sellulus var. lobbii (A. Gray ex S. Watson) B.J. Cox -- not accepted -- Donner Lake lupine, Lobb's lupine
  Lupinus sellulus ssp. sellulus var. medius (Detling) B.J. Cox -- not accepted -- Donner Lake lupine
  Lupinus sellulus ssp. sellulus var. sellulus Kellogg -- not accepted -- Donner Lake lupine
  Lupinus sellulus ssp. ursinus (Eastw.) Munz -- accepted -- Donner Lake lupine
  Lupinus sellulus var. artulus (Jeps.) Eastw. -- accepted -- Donner Lake lupine
  Lupinus sellulus var. elatus Eastw. -- not accepted
  Lupinus sellulus var. lobbii (A. Gray ex S. Watson) B.J. Cox -- accepted -- Donner Lake lupine
  Lupinus sellulus var. medius (Detling) B.J. Cox -- accepted -- Donner Lake lupine
  Lupinus sellulus var. sellulus Kellogg -- accepted -- Donner Lake lupine
  Lupinus sellulus var. ursinus (Eastw.) B.J. Cox -- not accepted
  Lupinus sericatus Kellogg -- accepted -- Cobb Mountain lupine
  Lupinus sericeus Pursh -- accepted -- silky lupine, Pursh's silky lupine
  Lupinus sericeus ssp. asotinensis L.Ll. Phillips -- not accepted
  Lupinus sericeus ssp. huffmanii (C.P. Sm.) Fleak & D.B. Dunn -- accepted -- silky lupine, Pursh's silky lupine
  Lupinus sericeus ssp. marianus (Rydb.) Fleak & D.B. Dunn -- accepted -- silky lupine
  Lupinus sericeus ssp. sabinii (Douglas ex Hook.) L.Ll. Phillips -- not accepted
  Lupinus sericeus ssp. sericeus Pursh -- accepted -- silky lupine
  Lupinus sericeus ssp. sericeus var. egglestonianus C.P. Sm. -- not accepted -- silky lupine
  Lupinus sericeus ssp. sericeus var. flexuosus (Lindl. ex J. Agardh) C.P. Sm. -- not accepted -- silky lupine
  Lupinus sericeus ssp. sericeus var. maximus C.P. Sm. ex Fleak & D.B. Dunn -- not accepted -- silky lupine
  Lupinus sericeus ssp. sericeus var. sericeus Pursh -- not accepted -- silky lupine
  Lupinus sericeus ssp. sericeus var. thompsonianus C.P. Sm. -- not accepted -- silky lupine
  Lupinus sericeus ssp. sericeus var. wallowensis C.P. Sm. -- not accepted -- silky lupine
  Lupinus sericeus var. asotinensis (L.Ll. Phillips) C.L. Hitchc. -- not accepted
  Lupinus sericeus var. barbiger (S. Watson) S.L. Welsh -- not accepted
  Lupinus sericeus var. egglestonianus C.P. Sm. -- accepted -- silky lupine
  Lupinus sericeus var. fikeranus (C.P. Sm.) C.L. Hitchc. -- not accepted
  Lupinus sericeus var. flexuosus (Lindl. ex J. Agardh) C.P. Sm. -- accepted -- silky lupine
  Lupinus sericeus var. jonesii (Rydb.) S.L. Welsh -- not accepted
  Lupinus sericeus var. kuschei (Eastw.) B. Boivin -- not accepted
  Lupinus sericeus var. marianus (Rydb.) S.L. Welsh -- not accepted
  Lupinus sericeus var. maximus C.P. Sm. ex Fleak & D.B. Dunn -- accepted -- silky lupine
  Lupinus sericeus var. sericeus Pursh -- accepted -- silky lupine
  Lupinus sericeus var. subflexuosus H. St. John & Warren -- not accepted
  Lupinus sericeus var. thompsonianus C.P. Sm. -- accepted -- silky lupine
  Lupinus sericeus var. wallowensis C.P. Sm. -- accepted -- silky lupine
  Lupinus shastensis A. Heller -- not accepted
  Lupinus shockleyi S. Watson -- accepted -- purple desert lupine, desert lupine
  Lupinus sicco-silvae C.P. Sm. -- not accepted
  Lupinus sierrae-blancae Wooton & Standl. -- accepted -- White Mountain lupine
  Lupinus sierrae-blancae ssp. aquilinus (Wooton & Standl.) Fleak & D.B. Dunn -- accepted -- White Mountain lupine
  Lupinus sierrae-blancae ssp. sierrae-blancae Wooton & Standl. -- accepted -- White Mountain lupine
  Lupinus sileri S. Watson -- not accepted
  Lupinus sinus-meyersi C.P. Sm. -- not accepted
  Lupinus sinus-meyersii C.P. Sm. -- not accepted
  Lupinus sitgreavesii S. Watson -- not accepted
  Lupinus sparhawkianus C.P. Sm. -- not accepted
  Lupinus sparsiflorus Benth. -- accepted -- Coulter's lupine, Mojave lupine
  Lupinus sparsiflorus ssp. inopinatus (C.P. Sm.) Dziekanowski & D.B. Dunn -- accepted -- Coulter's lupine, Mojave lupine
  Lupinus sparsiflorus ssp. mohavensis Dziekanowski & D.B. Dunn -- accepted -- Coulter's lupine, Mojave lupine
  Lupinus sparsiflorus ssp. pondii (Greene) Dziekanowski & D.B. Dunn -- accepted -- Pond's Mojave lupine
  Lupinus sparsiflorus ssp. sparsiflorus Benth. -- accepted -- Coulter's lupine, Mojave lupine
  Lupinus sparsiflorus var. arizonicus (S. Watson) C.P. Sm. -- not accepted
  Lupinus sparsiflorus var. barbatulus Thornb. ex C.P. Sm. -- not accepted
  Lupinus sparsiflorus var. brevior Jeps. -- not accepted
  Lupinus sparsiflorus var. inopinatus C.P. Sm. -- not accepted
  Lupinus sparsiflorus var. insignitus C.P. Sm. -- not accepted
  Lupinus sparsiflorus var. mohavensis (Dziekanowski & D.B. Dunn) S.L. Welsh -- not accepted
  Lupinus sparsiflorus var. pondii (Greene) C.P. Sm. -- not accepted
  Lupinus sparsiflorus var. setosissimus C.P. Sm. -- not accepted
  Lupinus spathulatus Rydb. -- not accepted
  Lupinus spathulatus var. boreus C.P. Sm. -- not accepted
  Lupinus spectabilis Hoover -- accepted -- shaggy-hair lupine, shaggy lupine
  Lupinus spiraeaphilus C.P. Sm. -- not accepted
  Lupinus standingii C.P. Sm. -- not accepted
  Lupinus stationis C.P. Sm. -- not accepted
  Lupinus stenophyllus (Nutt.) Rydb. -- not accepted
  Lupinus stinchfieldiae C.P. Sm. -- not accepted
  Lupinus stipaphilus C.P. Sm. -- not accepted
  Lupinus stiversii Kellogg -- accepted -- harlequin annual lupine
  Lupinus stockii C.P. Sm. -- not accepted
  Lupinus strigulosus Gand. -- not accepted
  Lupinus subalpinus Piper & B.L. Rob. -- not accepted
  Lupinus subcarnosus Hook. -- accepted -- Texas bluebonnet
  Lupinus subhirsutus Davidson -- not accepted
  Lupinus sublanatus Eastw. -- accepted -- Mono lupine
  Lupinus subsericeus B.L. Rob. ex Piper -- not accepted
  Lupinus subulatus Rydb. -- not accepted
  Lupinus subvexus C.P. Sm. -- accepted -- valley lupine
  Lupinus subvexus var. albilanatus C.P. Sm. -- accepted -- valley lupine
  Lupinus subvexus var. fluviatilis C.P. Sm. -- not accepted
  Lupinus subvexus var. insularis C.P. Sm. -- not accepted
  Lupinus subvexus var. liebergii C.P. Sm. -- not accepted
  Lupinus subvexus var. nigrescens C.P. Sm. -- not accepted
  Lupinus subvexus var. phoeniceus C.P. Sm. -- accepted -- valley lupine
  Lupinus subvexus var. subvexus C.P. Sm. -- accepted -- valley lupine
  Lupinus subvexus var. transmontanus C.P. Sm. -- accepted -- valley lupine
  Lupinus succulentus Douglas ex K. Koch -- accepted -- hollowleaf annual lupine, bigleaf lupine
  Lupinus succulentus var. layneae C.P. Sm. -- not accepted
  Lupinus succulentus var. succulentus Douglas ex K. Koch -- not accepted -- hollowleaf annual lupine
  Lupinus suksdorfii B.L. Rob. -- accepted -- Suksdorf's lupine
  Lupinus sulphureus Douglas ex Hook. -- accepted -- sulphur lupine
  Lupinus sulphureus ssp. delnortensis (Eastw.) L. Phillips -- not accepted
  Lupinus sulphureus ssp. kincaidii (C.P. Sm.) L.Ll. Phillips -- not accepted -- Kincaid's Lupine
  Lupinus sulphureus ssp. subsaccatus (Suksd.) L. Phillips -- not accepted
  Lupinus sulphureus var. applegateianus C.P. Sm. -- not accepted
  Lupinus sulphureus var. echlerianus C.P. Sm. -- not accepted
  Lupinus sulphureus var. kincaidii (C.P. Sm.) C.L. Hitchc. -- not accepted
  Lupinus sulphureus var. subsaccatus (Suksd.) C.L. Hitchc. -- not accepted
  Lupinus summae C.P. Sm. -- not accepted
  Lupinus superbus A. Heller -- not accepted
  Lupinus superbus var. bernardinus Abrams ex C.P. Sm. -- not accepted
  Lupinus superbus var. elongatus (Greene ex A. Heller) C.P. Sm. -- not accepted
  Lupinus sylvestris Drew -- not accepted
  Lupinus tegeticulatus Eastw. -- not accepted
  Lupinus tegeticulatus var. duranii (Eastw.) Barneby -- not accepted
  Lupinus tegeticulatus var. grandiflorus (C.P. Sm.) Barneby -- not accepted
  Lupinus tenellus Douglas ex G. Don -- not accepted
  Lupinus tenellus Douglas ex J. Agardh -- not accepted
  Lupinus tenuispicus A. Nelson -- not accepted
  Lupinus termis Forssk. -- not accepted
  Lupinus texensis Hook. -- accepted -- Texas lupine, Texas bluebonnet
  Lupinus thompsonianus C.P. Sm. -- not accepted
  Lupinus tidestromii Greene -- accepted -- Tidestrom's lupine, clover lupine
  Lupinus tidestromii var. layneae (Eastw.) Munz -- accepted -- Tidestrom's lupine
  Lupinus tidestromii var. tidestromii Greene -- accepted -- Tidestrom's lupine
  Lupinus tracyi Eastw. -- accepted -- Tracy's lupine
  Lupinus trainianus C.P. Sm. -- not accepted
  Lupinus trifidus Torr. ex S. Watson -- not accepted
  Lupinus trifurcatus C.P. Sm. -- not accepted
  Lupinus truncatus Nutt. ex Hook. & Arn. -- accepted -- collared annual lupine
  Lupinus truncatus var. burlewii C.P. Sm. -- not accepted
  Lupinus tuckeranus C.P. Sm. -- not accepted
  Lupinus umbellatus Greene -- not accepted
  Lupinus uncialis S. Watson -- accepted -- inchhigh lupine, Lilliput lupine
  Lupinus ursinus Eastw. -- not accepted
  Lupinus utahensis Moldenke -- not accepted
  Lupinus vallicola A. Heller -- accepted -- open lupine, Douglas' annual lupine
  Lupinus vallicola ssp. apricus (Greene) D.B. Dunn -- accepted -- open lupine
  Lupinus vallicola ssp. vallicola A. Heller -- accepted -- open lupine
  Lupinus vallicola var. apricus (Greene) C.P. Sm. -- not accepted
  Lupinus varicolor Steud. -- not accepted
  Lupinus variicolor Steud. -- accepted -- manycolored lupine
  Lupinus varius L. -- not accepted
  Lupinus versicolor Lindl. -- not accepted -- manycolored lupine
  Lupinus villosus Willd. -- accepted -- lady lupine
  Lupinus villosus ssp. diffusus (Nutt.) L.Ll. Phillips -- not accepted
  Lupinus villosus var. diffusus (Nutt.) Torr. & A. Gray -- not accepted
  Lupinus violaceus A. Heller -- not accepted
  Lupinus violaceus var. delnortensis Eastw. -- not accepted
  Lupinus violaceus var. shastensis Eastw. -- not accepted
  Lupinus viridicalyx C.P. Sm. -- not accepted
  Lupinus viridifolius A. Heller -- not accepted
  Lupinus volcanicus Greene -- not accepted
  Lupinus volcanicus var. rupestricola C.P. Sm. -- not accepted
  Lupinus volutans Greene -- accepted -- pinyon lupine
  Lupinus washoensis A. Heller -- not accepted
  Lupinus watsonii A. Heller -- not accepted
  Lupinus wenatchensis Eastw. -- not accepted
  Lupinus westianus Small -- accepted -- Gulf Coast lupine, Gulfcoast lupine
  Lupinus westianus var. aridorum (McFarlin ex Beckner) Isely -- accepted -- scrub lupine, Gulf Coast lupine
  Lupinus westianus var. westianus Small -- accepted -- Gulf Coast lupine
  Lupinus wolfianus C.P. Sm. -- not accepted
  Lupinus wyethi S. Watson -- not accepted
  Lupinus wyethi var. wyethi S. Watson -- not accepted
  Lupinus wyethii S. Watson -- accepted -- Wyeth's lupine
  Lupinus wyethii ssp. tetonensis (E.E. Nelson) B.J. Cox & D.B. Dunn -- accepted -- Teton lupine
  Lupinus wyethii ssp. wyethii S. Watson -- accepted -- Wyeth's lupine
  Lupinus wyethii var. hansenii C.P. Sm. -- not accepted
  Lupinus wyethii var. prunophilus (M.E. Jones) C.P. Sm. -- not accepted
  Lupinus X alpestris A. Nelson (pro. sp.) -- accepted -- Great Basin lupine, alp lupine, mountain lupine
  Lupinus X cymba-egressus C.P. Sm. (pro. sp.) -- accepted -- lupine
  Lupinus X inyoensis A. Heller (pro. sp.) -- accepted -- Inyo lupine
  Lupinus yakimensis C.P. Sm. -- not accepted
  Lupinus yukonensis Greene -- not accepted
  Lysiloma Benth. -- accepted -- false tamarind
  Lysiloma ambiguum Urb. -- not accepted -- macata bourse bastard
  Lysiloma bahamense Benth. -- not accepted
  Lysiloma candidum Brandegee -- accepted -- palo blanco
  Lysiloma divaricatum (Jacq.) J.F. Macbr. -- accepted -- quebracho
  Lysiloma latisiliqua (L.) Benth. -- not accepted
  Lysiloma latisiliquum (L.) Benth. -- accepted -- false tamarind
  Lysiloma microphylla Benth. -- not accepted
  Lysiloma microphyllum Benth. -- not accepted
  Lysiloma microphyllum var. thornberi (Britton & Rose) Isely -- not accepted
  Lysiloma sabicu Benth. -- accepted -- horseflesh mahogany
  Lysiloma thornberi Britton & Rose -- not accepted
  Lysiloma watsonii Rose -- accepted -- littleleaf false tamarind
  Maackia Rupr. -- accepted
  Maackia amurensis Rupr. & Maxim. -- accepted -- Amur maackia
  Machaerium Pers. -- accepted
  Machaerium lunatum (L. f.) Ducke -- accepted -- palo de hoz
  Macroptilium (Benth.) Urb. -- accepted -- bushbean
  Macroptilium atropurpureum (DC.) Urb. -- accepted -- purple bushbean, purple bush-bean
  Macroptilium bracteatum (Nees & Mart.) Maréchal & Baudet -- accepted
  Macroptilium gibbosifolium (Ortega) A. Delgado -- accepted -- variableleaf bushbean, wild bushbean
  Macroptilium heterophyllum (Willd.) Maréchal & Baudet -- not accepted
  Macroptilium heterophyllum var. rotundifolium (A. Gray) Maréchal, Mascherpa & Stainier -- not accepted
  Macroptilium lathyroides (L.) Urb. -- accepted -- wild bushbean
  Macroptilium lathyroides var. lathyroides (L.) Urb. -- not accepted -- wild bushbean
  Macroptilium lathyroides var. semierectum (L.) Urb. -- not accepted -- wild bushbean
  Macroptilium supinum (Wiggins & Rollins) A. Delgado & L. Torres -- accepted -- supine bean
  Macrotyloma (Wight & Arn.) Verdc. -- accepted
  Macrotyloma axillare (E. Mey.) Verdc. -- accepted -- perennial horsegram
  Macrotyloma axillare var. axillare (E. Mey.) Verdc. -- accepted -- perennial horsegram
  Macrotyloma axillare var. glabrum (E. Mey.) Verdc. -- accepted -- perennial horsegram
  Macrotyloma geocarpum (Harms) Maréchal & Baudet -- accepted -- geocarpa groundnut
  Macrotyloma tenuiflorum (Micheli) Verdc. -- accepted
  Macrotyloma uniflorum (Lam.) Verdc. -- accepted -- horsegram
  Marina Liebm. -- accepted -- false prairie-clover
  Marina calycosa (A. Gray) Barneby -- accepted -- San Pedro false prairie-clover, San Pedro false prairieclover
  Marina diffusa (Moric.) Barneby -- accepted -- spreading false prairie-clover
  Marina orcuttii (S. Watson) Barneby -- accepted -- Sonoran false prairie-clover
  Marina orcuttii var. orcuttii (S. Watson) Barneby -- accepted -- California marina
  Marina parryi (Torr. & A. Gray) Barneby -- accepted -- Parry's false prairie-clover, Parry dalea, Parry's indigobush
  Mariosousa Seigler & Ebinger -- accepted
  Mariosousa millefolia (S. Watson) Seigler & Ebinger -- accepted -- milfoil wattle
  Mariosousa willardiana (Rose) Seigler & Ebinger -- accepted
  Martiusia fragrans (Small) Small -- not accepted
  Martiusia laurifolia (Poir.) Britton -- not accepted
  Martiusia mariana (L.) Small -- not accepted
  Martiusia rubiginosa (Juss. ex Pers.) Britton -- not accepted
  Maughania strobilifera (L.) J. St.-Hil. ex Kuntze -- not accepted
  Medicago L. -- accepted -- alfalfa
  Medicago aculeata Willd. -- not accepted
  Medicago apiculata Willd. -- not accepted
  Medicago arabica (L.) Huds. -- accepted -- spotted medick, southern burr clover, spotted burrclover
  Medicago arabica ssp. inermis Ricker -- not accepted
  Medicago arborea L. -- accepted -- moon trefoil, tree medic, alfalfa arbórea
  Medicago aschersoniana Urb. -- not accepted
  Medicago blancheana Boiss. -- accepted
  Medicago brachycarpa Fisch. ex M. Bieb. -- accepted
  Medicago carstiensis Jacq. -- accepted
  Medicago ciliaris (L.) All. -- accepted
  Medicago denticulata Willd. -- not accepted
  Medicago doliata Carmign. -- accepted
  Medicago doliata var. muricata Heyn -- accepted
  Medicago falcata L. -- not accepted
  Medicago granadensis Willd. -- accepted
  Medicago heldreichii E. Small -- accepted -- Heldreich's alfalfa
  Medicago hispida Gaertn. -- not accepted
  Medicago hispida var. apiculata (Willd.) Burnat -- not accepted
  Medicago hispida var. confinis (W.D.J. Koch) Burnat -- not accepted
  Medicago hybrida (Pourr.) Trautv. -- accepted -- hybrid alfalfa
  Medicago intertexta (L.) Mill. -- accepted
  Medicago italica (Mill.) Fiori -- accepted
  Medicago laciniata (L.) Mill. -- accepted -- cutleaf medick
  Medicago littoralis Rohde ex Loisel. -- accepted -- water medick
  Medicago littoralis var. inermis Moris -- not accepted
  Medicago lupulina L. -- accepted -- black medick, black medic clover, black medic, hop clover, hop medic, nonesuch, yellow trefoil
  Medicago lupulina var. cupaniana (Guss.) Boiss. -- not accepted
  Medicago lupulina var. glandulosa Neilr. -- not accepted
  Medicago lupulina var. willdenowii Boenn. -- not accepted
  Medicago maculata Sibth. -- not accepted
  Medicago marina L. -- accepted
  Medicago media Pers. -- not accepted
  Medicago minima (L.) L. ex Bartal. -- accepted -- little bur-clover, goldfields medic, little burclover, burr medick
  Medicago minima var. compacta Neyraut -- not accepted
  Medicago minima var. longiseta DC. -- not accepted
  Medicago minima var. pubescens Webb -- not accepted
  Medicago monantha (C.A. Mey.) Trautv. -- accepted -- medick
  Medicago monspeliaca (L.) Trautv. -- accepted -- hairy medick
  Medicago murex Willd. -- accepted
  Medicago muricata Benth. -- not accepted
  Medicago noeana Boiss. -- accepted
  Medicago obscura Retz. -- not accepted
  Medicago orbicularis (L.) Bartal. -- accepted -- blackdisk medick, large-disc medic, button-clover, miegla de caracolillo, Button burclover
  Medicago orbicularis var. marginata (Willd.) Benth. -- not accepted
  Medicago platycarpos (L.) Trautv. -- accepted
  Medicago polycarpa Willd. -- not accepted
  Medicago polyceratia (L.) Trautv. -- accepted
  Medicago polymorpha L. -- accepted -- burclover, bur medick, toothed medick, California burclover, bur clover
  Medicago polymorpha f. apiculata (Willd.) Shinners -- not accepted
  Medicago polymorpha var. brevispina (Benth.) Heyn -- not accepted
  Medicago polymorpha var. ciliaris (Ser.) Shinners -- not accepted
  Medicago polymorpha var. polygyra (Urb.) Shinners -- not accepted
  Medicago polymorpha var. tricycla (Gren. & Godr.) Shinners -- not accepted
  Medicago polymorpha var. vulgaris (Benth.) Shinners -- not accepted
  Medicago popovii (Korovin) Sirj. -- accepted
  Medicago praecox DC. -- accepted -- Mediterranean medick, early medick, small-leaved bur medick
  Medicago rigidula (L.) All. -- accepted -- Tifton burclover, rigid medick
  Medicago rotata Boiss. -- accepted
  Medicago rugosa Desr. -- accepted -- wrinkled medick
  Medicago ruthenica (L.) Trautv. -- accepted -- alfalfa
  Medicago sativa L. -- accepted -- alfalfa
  Medicago sativa ssp. caerulea (Less. ex Ledeb.) Schmalh. -- accepted
  Medicago sativa ssp. falcata (L.) Arcang. -- accepted -- yellow alfalfa, sickle-podded alfalfa, alfalfa
  Medicago sativa ssp. glomerata (Balb.) Rouy -- accepted
  Medicago sativa ssp. sativa L. -- accepted -- alfalfa
  Medicago sativa ssp. varia (Martyn) O. Bolňs & Vigo -- accepted
  Medicago scutellata (L.) Mill. -- accepted -- snail medick, shield medick
  Medicago secundiflora Durieu -- accepted -- island medick
  Medicago shepardii Post ex Boiss. -- accepted
  Medicago soleirolii Duby -- accepted
  Medicago tornata (L.) Mill. -- not accepted
  Medicago tornata var. rugulosa (Ser.) Heyn -- not accepted
  Medicago tornata var. shepardii (Post ex Boiss.) Heyn -- not accepted
  Medicago tribuloides Desr. -- not accepted
  Medicago truncatula Gaertn. -- accepted -- barrelclover
  Medicago tuberculata (Retz.) Willd. -- not accepted
  Medicago turbinata (L.) All. -- accepted -- southern medick, tubercled medick, cogwheel burr medic
  Medicago X varia Martyn (pro. sp.) -- not accepted
  Meibomia Heist. ex Fabr. -- not accepted
  Meibomia acuminata (Michx.) S.F. Blake -- not accepted
  Meibomia adscendens (Sw.) Kuntze -- not accepted
  Meibomia affinis (Schltdl.) Kuntze -- not accepted
  Meibomia angustifolia (Kunth) Kuntze -- not accepted
  Meibomia arenicola Vail -- not accepted
  Meibomia arizonica (S. Watson) Vail -- not accepted
  Meibomia axillaris (Sw.) Kuntze -- not accepted
  Meibomia axillaris var. obtusifoliola Kuntze -- not accepted
  Meibomia barbata (L.) Kuntze -- not accepted
  Meibomia batocaulis (A. Gray) Kuntze -- not accepted
  Meibomia bracteosa (Michx.) Kuntze -- not accepted
  Meibomia cana S.F. Blake -- not accepted
  Meibomia canadensis (L.) Kuntze -- not accepted
  Meibomia canescens (L.) Kuntze -- not accepted
  Meibomia chapmanii (Britton) Small -- not accepted
  Meibomia ciliaris (Muhl. ex Willd.) S.F. Blake -- not accepted
  Meibomia cinerascens (A. Gray) Kuntze -- not accepted
  Meibomia cubensis (Griseb.) Schindl. -- not accepted
  Meibomia dillenii (Darl.) Kuntze -- not accepted
  Meibomia floridana (Chapm.) Kuntze -- not accepted
  Meibomia glabella (Michx.) Kuntze -- not accepted
  Meibomia glabra (Mill.) Kuntze -- not accepted
  Meibomia grahamii (A. Gray) Kuntze -- not accepted
  Meibomia graminea (A. Gray) Kuntze -- not accepted
  Meibomia grandiflora Kuntze -- not accepted
  Meibomia grandiflora auct. non (Walter) Kuntze -- not accepted
  Meibomia humifusa (Muhl. ex Bigelow) Kuntze -- not accepted
  Meibomia illinoensis (A. Gray) Kuntze -- not accepted
  Meibomia incana (DC.) Vail -- not accepted
  Meibomia intorta (Mill.) S.F. Blake -- not accepted
  Meibomia laevigata (Nutt.) Kuntze -- not accepted
  Meibomia lindheimeri (Vail) Vail -- not accepted
  Meibomia lineata (DC.) Kuntze -- not accepted
  Meibomia lineata var. polymorpha (A. Gray) Vail -- not accepted
  Meibomia longifolia (Torr. & A. Gray) Vail -- not accepted
  Meibomia marilandica (L.) Kuntze -- not accepted
  Meibomia metcalfei Rose & J.H. Painter -- not accepted
  Meibomia michauxii Vail -- not accepted
  Meibomia mollis (Vahl) Kuntze -- not accepted
  Meibomia neomexicana (A. Gray) Kuntze -- not accepted
  Meibomia nudiflora (L.) Kuntze -- not accepted
  Meibomia nuttallii Schindl. -- not accepted
  Meibomia obtusa (Muhl. ex Willd.) Vail -- not accepted
  Meibomia ochroleuca (M.A. Curtis ex Canby) Kuntze -- not accepted
  Meibomia paniculata (L.) Kuntze -- not accepted
  Meibomia pauciflora (Nutt.) Kuntze -- not accepted
  Meibomia polymorpha (A. Gray) Small -- not accepted
  Meibomia procumbens (Mill.) Britton -- not accepted
  Meibomia procumbens var. sylvatica (Benth.) Schindl. -- not accepted
  Meibomia psilophylla (Schltdl.) Kuntze -- not accepted
  Meibomia pubens (Torr. & A. Gray) Rydb. -- not accepted
  Meibomia purpurea (Mill.) Vail -- not accepted
  Meibomia retinens (Schltdl.) Kuntze -- not accepted
  Meibomia rhombifolia (Elliott) Vail -- not accepted
  Meibomia rigida (Elliott) Kuntze -- not accepted
  Meibomia rotundifolia (DC.) Kuntze -- not accepted
  Meibomia scorpiurus (Sw.) Kuntze -- not accepted
  Meibomia sessilifolia (Torr.) Kuntze -- not accepted
  Meibomia sintenisii (Urb.) Britton -- not accepted
  Meibomia spiralis (Sw.) Kuntze -- not accepted
  Meibomia stricta (Pursh) Kuntze -- not accepted
  Meibomia supina Britton -- not accepted
  Meibomia tenuifolia (Torr. & A. Gray) Kuntze -- not accepted
  Meibomia tortuosa (Sw.) Kuntze -- not accepted
  Meibomia triflora (L.) Kuntze -- not accepted
  Meibomia tweedyi (Britton) Vail -- not accepted
  Meibomia umbrosa Britton -- not accepted
  Meibomia uncinata auct. non (Jacq.) Kuntze -- not accepted
  Meibomia viridiflora (L.) Kuntze -- not accepted
  Meibomia wrightii (Engelm. ex A. Gray) Kuntze -- not accepted
  Meibomia wydleriana (Urb.) Britton -- not accepted
  Melilotus Mill. -- accepted -- sweetclover, sweet clover
  Melilotus alba Medik. -- not accepted -- white sweetclover
  Melilotus albus Medik. -- accepted -- Bokhara-clover, honey-clover, white melilot, white sweet-clover
  Melilotus albus var. annuus H.S. Coe -- not accepted
  Melilotus altissima Thuill. -- not accepted -- tall yellow sweetclover
  Melilotus altissimus Thuill. -- accepted -- tall yellow sweetclover
  Melilotus arvensis Wallr. -- not accepted
  Melilotus elegans Salzm. ex Ser. -- accepted -- elegant sweetclover
  Melilotus gracilis DC. -- not accepted
  Melilotus hirsutus Lipsky -- accepted
  Melilotus indica (L.) All. -- not accepted -- sourclover
  Melilotus indicus (L.) All. -- accepted -- annual yellow sweetclover, Indian sweet-clover
  Melilotus infestus Guss. -- accepted
  Melilotus italicus (L.) Lam. -- accepted
  Melilotus leucanthus W.D.J. Koch ex DC. -- not accepted
  Melilotus luteus Gueldenst. -- not accepted
  Melilotus messanensis (L.) All. -- not accepted
  Melilotus neapolitana Ten. -- not accepted
  Melilotus neapolitanus Ten. -- not accepted -- European sweetclover
  Melilotus officinalis (L.) Lam. -- accepted -- yellow sweetclover, ribbed melilot, field melilot, cornilla real, yellow sweet-clover
  Melilotus officinalis var. micranthus O.E. Schulz -- not accepted
  Melilotus ornithopodioides (L.) Desr. -- not accepted
  Melilotus segetalis (Brot.) Ser. -- accepted
  Melilotus siculus (Turra) B.D. Jacks. -- accepted
  Melilotus speciosus Durieu -- accepted
  Melilotus suaveolens Ledeb. -- accepted -- sweetclover, Daghestan sweet-clover
  Melilotus sulcata Desf. -- not accepted
  Melilotus sulcatus Desf. -- accepted -- Mediterranean sweetclover
  Melilotus tauricus (M. Bieb.) Ser. -- accepted
  Melilotus wolgicus Poir. -- accepted -- Volga sweet clover, Volga sweetclover
  Melolobium Eckl. & Zeyh. -- accepted
  Melolobium aethiopicum (L.) Druce -- accepted
  Melolobium cernuum (L.) Eckl. & Zeyh. -- not accepted
  Melolobium exudans Harv. -- accepted
  Mezoneuron kavaiense (H. Mann) Hillebr. -- not accepted
  Mezonevron kavaiense (H. Mann) Hillebr. -- accepted -- uhiuhi
  Microphacos parviflorus (Pursh) Rydb. -- not accepted
  Micropteryx crista-galli (L.) Walp. -- not accepted
  Millettia Wight & Arn. -- accepted
  Millettia pinnata (L.) Panigrahi -- accepted -- pongame oiltree
  Mimosa L. -- accepted -- sensitive plant, mimosa
  Mimosa aculeaticarpa Ortega -- accepted -- catclaw mimosa, mimosa
  Mimosa aculeaticarpa var. biuncifera (Benth.) Barneby -- accepted -- catclaw mimosa, wait-a-bit, mimosa
  Mimosa arenosa (Willd.) Poir. -- accepted -- elegant mimosa
  Mimosa asperata L. -- accepted -- Puerto Rico sensitive-briar, black mimosa
  Mimosa biuncifera Benth. -- not accepted
  Mimosa biuncifera var. glabrescens A. Gray -- not accepted
  Mimosa biuncifera var. lindheimeri (A. Gray) B.L. Rob. -- not accepted
  Mimosa biuncifera var. lindheimeri auct. non (A. Gray) B.L. Rob. -- not accepted
  Mimosa borealis A. Gray -- accepted -- fragrant mimosa
  Mimosa borealis var. texana A. Gray -- not accepted
  Mimosa candollei R. Grether -- accepted -- fourvalve mimosa
  Mimosa casta L. -- accepted -- graceful mimosa
  Mimosa ceratonia L. -- accepted -- black ambret
  Mimosa cyclocarpa Jacq. -- not accepted
  Mimosa diplotricha C. Wright -- accepted -- giant false sensitive plant
  Mimosa distachya Cav. -- accepted -- Mexican mimosa
  Mimosa distachya var. laxiflora (Benth.) Barneby -- accepted -- Arizona mimosa
  Mimosa dysocarpa Benth. -- accepted -- velvetpod mimosa
  Mimosa dysocarpa var. dysocarpa Benth. -- not accepted -- velvetpod mimosa
  Mimosa dysocarpa var. wrightii (A. Gray) Kearney & Peebles -- not accepted
  Mimosa ebano Berl. -- not accepted
  Mimosa emoryana Benth. -- accepted -- Emory's mimosa
  Mimosa farnesiana L. -- not accepted
  Mimosa grahamii A. Gray -- accepted -- Graham's mimosa, Graham mimosa
  Mimosa grahamii var. grahamii A. Gray -- not accepted -- Graham's mimosa
  Mimosa grahamii var. lemmonii (A. Gray) Kearney & Peebles -- not accepted
  Mimosa hystricina (Small ex Britton & Rose) B.L. Turner -- accepted -- porcupine mimosa
  Mimosa illinoensis Michx. -- not accepted
  Mimosa ingoides Rich. -- not accepted
  Mimosa invisa Mart. ex Colla -- not accepted -- giant false sensitive plant, giant sensitive plant
  Mimosa latidens (Small) B.L. Turner -- accepted -- Kairn's sensitive-briar, Mimosa latidens
  Mimosa laxiflora Benth. -- not accepted -- Arizona mimosa, garabatillo
  Mimosa lebbeck L. -- not accepted
  Mimosa leucocephala Lam. -- not accepted
  Mimosa lindheimeri A. Gray -- not accepted
  Mimosa malacophylla A. Gray -- accepted -- softleaf mimosa
  Mimosa microphylla Dryand. -- accepted -- littleleaf sensitive-briar, sensitive brier
  Mimosa muricata L. -- not accepted
  Mimosa nilotica L. -- not accepted
  Mimosa nuttallii (DC. ex Britton & Rose) B.L. Turner -- accepted -- Nuttall's sensitive-briar, catclaw sensitivebriar
  Mimosa occidentalis (Wooton & Standl.) B.L. Turner -- not accepted
  Mimosa pellita Humb. & Bonpl. ex Willd. -- not accepted -- lollipop mimosa
  Mimosa pigra L. -- accepted -- black mimosa, amourette, bashful plant, catclaw mimosa, dormilona, giant mimosa, thorny sensitive plant
  Mimosa pigra var. berlandieri (A. Gray) B.L. Turner -- not accepted
  Mimosa pigra var. pigra L. -- not accepted -- black mimosa
  Mimosa plena L. -- not accepted
  Mimosa portoricensis Jacq. -- not accepted
  Mimosa procera Roxb. -- not accepted
  Mimosa pudica L. -- accepted -- shameplant
  Mimosa pudica var. pudica L. -- accepted -- shameplant
  Mimosa pudica var. unijuga (Duchass. & Walp.) Griseb. -- accepted -- shameplant
  Mimosa quadrivalvis L. -- accepted -- fourvalve mimosa, mimosa
  Mimosa quadrivalvis var. angustata (Torr. & A. Gray) Barneby -- not accepted
  Mimosa quadrivalvis var. floridana (Chapm.) Barneby -- accepted -- Florida mimosa, catclaw sensitivebriar
  Mimosa quadrivalvis var. hystricina (Small ex Britton & Rose) Barneby -- not accepted
  Mimosa quadrivalvis var. latidens (Small) Barneby -- not accepted
  Mimosa quadrivalvis var. leptocarpa (DC.) Barneby -- not accepted -- fourvalve mimosa
  Mimosa quadrivalvis var. nelsonii (Britton & Rose) Barneby -- accepted -- Nelson's mimosa
  Mimosa quadrivalvis var. nuttallii (DC. ex Britton & Rose) L.S. Beard ex Barneby -- not accepted
  Mimosa quadrivalvis var. occidentalis (Wooton & Standl.) Barneby -- not accepted
  Mimosa quadrivalvis var. platycarpa (A. Gray) Barneby -- not accepted
  Mimosa quadrivalvis var. quadrivalvis L. -- accepted -- fourvalve mimosa
  Mimosa quadrivalvis var. urbaniana Barneby -- accepted -- Urban's mimosa
  Mimosa roemeriana Scheele -- accepted -- Roemer's mimosa, Roemer sensitivebriar
  Mimosa rupertiana B.L. Turner -- accepted -- eastern sensitive plant, prickly sensitivebriar, western mimosa
  Mimosa schomburgkii Benth. -- accepted -- Schomburgk's mimosa
  Mimosa strigillosa Torr. & A. Gray -- accepted -- powderpuff, herbaceous mimosa
  Mimosa texana (A. Gray) Small -- accepted -- Texas mimosa
  Mimosa tortuosa L. -- not accepted
  Mimosa turneri Barneby -- accepted -- desert mimosa
  Mimosa warnockii B.L. Turner -- not accepted
  Mimosa wherryana (Britton) Standl. -- not accepted
  Mimosa zygophylla auct. non Benth. -- not accepted
  Mimosopsis biuncifera (Benth.) Britton & Rose -- not accepted
  Mimosopsis wherryana Britton -- not accepted
  Moghania strobilifera (L.) J. St.-Hil. ex Kuntze -- not accepted
  Morongia angustata (Torr. & A. Gray) Britton -- not accepted
  Morongia latidens Small -- not accepted
  Morongia microphylla (Dryand.) Britton -- not accepted
  Morongia occidentalis Wooton & Standl. -- not accepted
  Morongia portoricensis (Urb.) Britton -- not accepted
  Morongia uncinata (Willd.) Britton -- not accepted
  Mucuna Adans. -- accepted -- mucuna
  Mucuna aterrima (Piper & Tracy) Holland -- not accepted
  Mucuna deeringiana (Bort) Merr. -- not accepted
  Mucuna gigantea (Willd.) DC. -- accepted -- seabean
  Mucuna platyphylla A. Gray -- accepted
  Mucuna pruriens (L.) DC. -- accepted -- cowitch
  Mucuna pruriens var. pruriens (L.) DC. -- accepted -- cowitch
  Mucuna pruriens var. utilis (Wall. ex Wight) Baker ex Burck -- accepted -- cowitch, Florida velvet-bean, Bengal velvet-bean, cowage velvet-bean
  Mucuna rostrata Benth. -- accepted
  Mucuna sloanei Fawc. & Rendle -- accepted -- horseeye bean
  Mucuna sloanei var. persericea Wilmot-Dear -- accepted -- horseeye bean, sea bean
  Mucuna sloanei var. sloanei Fawc. & Rendle -- accepted -- horseeye bean
  Mucuna urens (L.) Medik. -- accepted -- oxeye bean
  Myrospermum Jacq. -- accepted
  Myrospermum frutescens Jacq. -- accepted -- cercipo
  Myroxylon L. f. -- accepted
  Myroxylon balsamum (L.) Harms -- accepted -- balsam of Tolu
  Myroxylon balsamum var. balsamum (L.) Harms -- accepted -- balsam of Tolu
  Myroxylon balsamum var. pereirae (Royle) Harms -- accepted -- balsam of Peru
  Myroxylon pereirae (Royle) Klotzsch -- not accepted
  Neltuma velutina (Wooton) Britton & Rose -- not accepted
  Neonotonia J.A. Lackey -- accepted
  Neonotonia wightii (Wight & Arn.) J.A. Lackey -- accepted -- perennial soybean
  Neonotonia wightii var. longicauda (Schweinf.) J.A. Lackey -- not accepted -- Wight's neonotonia
  Neonotonia wightii var. mearnsii (De Wild.) J.A. Lackey -- not accepted -- Mearns' neonotonia
  Neonotonia wightii var. wightii (Wight & Arn.) J.A. Lackey -- not accepted -- Wight's neonotonia
  Neonotonia wrightii var. longicauda (Schweinf.) J.A. Lackey -- not accepted
  Neonotonia wrightii var. mearnsii (De Wild.) J.A. Lackey -- not accepted
  Neonotonia wrightii var. wrightii (Wight & Arn.) J.A. Lackey -- not accepted
  Neorudolphia Britton -- accepted
  Neorudolphia volubilis (Willd.) Britton -- accepted -- bejuco de alambre
  Neptunia Lour. -- accepted -- puff
  Neptunia floridana Small -- not accepted
  Neptunia lutea (Leavenw.) Benth. -- accepted -- yellow puff, yellow neptunia
  Neptunia lutea var. multipinnatifida B.L. Turner -- not accepted
  Neptunia oleracea Lour. -- accepted -- garden puff
  Neptunia palmeri Britton & Rose -- not accepted
  Neptunia plena (L.) Benth. -- accepted -- water dead and awake
  Neptunia prostrata Baill. -- not accepted -- garden puff
  Neptunia pubescens Benth. -- accepted -- tropical puff, tropical neptunia
  Neptunia pubescens var. floridana (Small) B.L. Turner -- not accepted
  Neptunia pubescens var. lindheimeri (B.L. Rob.) B.L. Turner -- not accepted
  Neptunia pubescens var. microcarpa (Rose) Windler -- accepted -- tropical puff
  Neptunia pubescens var. pubescens Benth. -- accepted -- tropical puff
  Niopa peregrina (L.) Britton & Rose -- not accepted
  Nissolia Jacq. -- accepted -- yellowhood
  Nissolia platycalyx S. Watson -- accepted -- broadsepal yellowhood
  Nissolia schottii (Torr.) A. Gray -- accepted -- Schott's yellowhood, Schott yellowhood
  Nissolia wislizeni (A. Gray) A. Gray -- accepted -- Arizona yellowhood, Arizona nissolia
  Nissolia wislizenii (A. Gray) A. Gray -- not accepted
  Olneya A. Gray -- accepted
  Olneya tesota A. Gray -- accepted -- desert ironwood, ironwood
  Onobrychis Mill. -- accepted -- sainfoin
  Onobrychis altissima Grossh. -- accepted
  Onobrychis arenaria (Kit.) DC. -- accepted
  Onobrychis arenaria ssp. arenaria (Kit.) DC. -- accepted
  Onobrychis arenaria ssp. sibirica (Sirj.) P.W. Ball -- accepted
  Onobrychis argentea Boiss. -- accepted
  Onobrychis biebersteinii Sirj. -- accepted
  Onobrychis caput-galli (L.) Lam. -- accepted -- cockshead sainfoin
  Onobrychis gaubae Bornm. -- accepted
  Onobrychis grandis Lipsky -- accepted
  Onobrychis hajastana Grossh. -- accepted
  Onobrychis hypargyrea Boiss. -- accepted
  Onobrychis iberica Grossh. -- accepted
  Onobrychis inermis Steven -- accepted
  Onobrychis megataphros Boiss. -- accepted
  Onobrychis melanotricha Boiss. -- accepted
  Onobrychis oxyodonta Boiss. -- accepted
  Onobrychis pallasii (Willd.) M. Bieb. -- accepted
  Onobrychis persica Sirj. & Rech. f. -- accepted
  Onobrychis petraea (M. Bieb. ex Willd.) Fisch. -- accepted
  Onobrychis sativa Lam. -- not accepted
  Onobrychis saxatilis (L.) Lam. -- accepted
  Onobrychis sibirica (Sirj.) Grossh. -- not accepted
  Onobrychis tanaitica Spreng. -- not accepted
  Onobrychis transcaucasica Grossh. -- accepted
  Onobrychis vaginalis C.A. Mey. -- accepted
  Onobrychis viciaefolia Scop. -- not accepted
  Onobrychis viciifolia Scop. -- accepted -- sainfoin, common sainfoin
  Ononis L. -- accepted -- restharrow
  Ononis alopecuroides L. -- accepted -- foxtail restharrow
  Ononis arvensis L. -- accepted -- field restharrow
  Ononis biflora Desf. -- accepted
  Ononis campestris W.D.J. Koch & Ziz -- not accepted -- spiny restharrow
  Ononis columnae All. -- not accepted
  Ononis fruticosa L. -- accepted -- shrubby restharrow
  Ononis mitissima L. -- accepted
  Ononis natrix L. -- accepted
  Ononis ornithopodioides L. -- accepted
  Ononis pubescens L. -- accepted
  Ononis pusilla L. -- accepted
  Ononis reclinata L. -- accepted
  Ononis repens L. -- accepted -- common restharrow
  Ononis rotundifolia L. -- accepted
  Ononis serrata Forssk. -- accepted
  Ononis sicula Guss. -- accepted
  Ononis speciosa Lag. -- accepted
  Ononis spinosa L. -- accepted -- spiny restharrow
  Ononis viscosa L. -- accepted
  Orbexilum Raf. -- accepted -- leather-root
  Orbexilum gracile (Torr. & A. Gray) Rydb. -- not accepted
  Orbexilum lupinellum (Michx.) Isely -- accepted -- Piedmont leather-root
  Orbexilum macrophyllum (Rowlee ex Small) Rydb. -- accepted -- largeleaf leather-root, bigleaf scurfpea
  Orbexilum onobrychis (Nutt.) Rydb. -- accepted -- French-grass
  Orbexilum pedunculatum (Mill.) Rydb. -- accepted -- Sampson's snakeroot
  Orbexilum pedunculatum var. eglandulosum (Elliott) Isely -- not accepted
  Orbexilum pedunculatum var. gracile (Torr. & A. Gray) J.W. Grimes -- not accepted
  Orbexilum pedunculatum var. pedunculatum (Mill.) Rydb. -- accepted -- Sampson's snakeroot, babyroot scurfpea
  Orbexilum pedunculatum var. psoralioides (Walter) Isely -- accepted -- Sampson's snakeroot
  Orbexilum simplex (Nutt. ex Torr. & A. Gray) Rydb. -- accepted -- singlestem leather-root, simple scurfpea
  Orbexilum stipulatum (Torr. & A. Gray) Rydb. -- accepted -- largestipule leather-root
  Orbexilum virgatum (Nutt.) Rydb. -- accepted -- pineland leather-root
  Ormosia Jacks. -- accepted
  Ormosia krugii Urb. -- accepted -- peronia
  Ornithopus L. -- accepted -- bird's-foot
  Ornithopus compressus L. -- accepted -- yellow bird's-foot, yellow serradella, cornicabra, pie de pájaro
  Ornithopus isthmocarpus Coss. -- not accepted
  Ornithopus perpusillus L. -- accepted -- little white bird's-foot
  Ornithopus pinnatus (Mill.) Druce -- accepted -- yellow bird's-foot
  Ornithopus roseus Dufour -- not accepted
  Ornithopus sativus Brot. -- accepted -- common bird's-foot
  Ornithopus sativus ssp. isthmocarpus (Coss.) Dostál -- accepted -- common bird's-foot
  Ornithopus sativus ssp. roseus (Dufour) Alsina -- not accepted
  Ornithopus sativus ssp. sativus Brot. -- accepted -- common bird's-foot
  Orobus myrtifolius Alef. -- not accepted
  Orophaca aretioides (M.E. Jones) Rydb. -- not accepted
  Orophaca barrii (Barneby) Isely -- not accepted
  Orophaca caespitosa (Nutt.) Britton -- not accepted
  Orophaca hyalina (M.E. Jones) Isely -- not accepted
  Orophaca proimantha (Barneby) Isely -- not accepted
  Orophaca sericea (Nutt.) Britton -- not accepted
  Orophaca tridactylica (A. Gray) Rydb. -- not accepted
  Orophaca triphylla (Pursh) Isely -- not accepted
  Orophaca triphylla var. purpurea (Dorn) Isely -- not accepted
  Otholobium Gagnep. -- accepted
  Otholobium candicans (Eckl. & Zeyh.) C.H. Stirt. -- accepted
  Otholobium fruticans (L.) C.H. Stirt. -- accepted -- Capetown pea
  Otholobium glandulosum (L.) J.W. Grimes -- accepted
  Oxylobium Andrews -- accepted
  Oxylobium ellipticum (Vent.) R. Br. -- accepted
  Oxyrhynchus Brandegee -- accepted
  Oxyrhynchus volubilis Brandegee -- accepted -- twining bluehood
  Oxytropis DC. -- accepted -- locoweed, crazyweed
  Oxytropis alpicola (Rydb.) M.E. Jones -- not accepted
  Oxytropis arctica R. Br. -- accepted -- arctic locoweed
  Oxytropis arctica var. arctica R. Br. -- accepted -- arctic locoweed
  Oxytropis arctica var. barnebyana S.L. Welsh -- accepted -- Barneby's locoweed
  Oxytropis arctica var. bellii (Britton ex Macoun) B. Boivin -- accepted -- Bell's arctic locoweed, Bell's locoweed
  Oxytropis arctica var. koyukukensis (A.E. Porsild) S.L. Welsh -- accepted -- Koyukuk locoweed
  Oxytropis arctica var. murrayi (Jurtzev) S.L. Welsh -- accepted -- Murray's arctic locoweed
  Oxytropis arctobia Bunge -- not accepted
  Oxytropis bellii (Britton ex Macoun) Palib. -- not accepted
  Oxytropis besseyi (Rydb.) Blank. -- accepted -- Bessey's locoweed, red crazyweed
  Oxytropis besseyi var. argophylla (Rydb.) Barneby -- accepted -- Montana locoweed
  Oxytropis besseyi var. besseyi (Rydb.) Blank. -- accepted -- Bessey's locoweed
  Oxytropis besseyi var. fallax Barneby -- accepted -- Bessey's locoweed
  Oxytropis besseyi var. obnapiformis (Ced. Porter) S.L. Welsh -- accepted -- Bessey's locoweed
  Oxytropis besseyi var. salmonensis Barneby -- accepted -- Salmon River locoweed
  Oxytropis besseyi var. ventosa (Greene) Barneby -- accepted -- Bessey's locoweed
  Oxytropis borealis DC. -- accepted -- boreal locoweed, northern crazyweed
  Oxytropis borealis var. australis S.L. Welsh -- accepted -- boreal locoweed, southern crazyweed
  Oxytropis borealis var. borealis DC. -- accepted -- boreal locoweed
  Oxytropis borealis var. hudsonica (Greene) S.L. Welsh -- accepted -- boreal locoweed
  Oxytropis borealis var. sulphurea (A.E. Porsild) S.L. Welsh -- accepted -- boreal locoweed
  Oxytropis borealis var. viscida (Nutt.) S.L. Welsh -- accepted -- viscid locoweed, sticky pointloco, sticky crazyweed
  Oxytropis bryophila (Greene) Jurtzev -- not accepted
  Oxytropis campestris (L.) DC. -- accepted -- field locoweed, white smallflower pointloco, northern yellow locoweed
  Oxytropis campestris ssp. gracilis (A. Nelson) Hultén -- not accepted
  Oxytropis campestris ssp. jordalii (A.E. Porsild) Hultén -- not accepted
  Oxytropis campestris ssp. melanocephala (Hook.) A.E. Porsild -- not accepted
  Oxytropis campestris ssp. roaldii (Ostenf.) Cody -- not accepted
  Oxytropis campestris ssp. varians (Rydb.) Cody -- not accepted
  Oxytropis campestris var. campestris (L.) DC. -- accepted
  Oxytropis campestris var. cervinus (Greene) B. Boivin -- not accepted
  Oxytropis campestris var. chartacea (Fassett) Barneby -- accepted -- field locoweed, Fassett's locoweed
  Oxytropis campestris var. columbiana (H. St. John) Barneby -- accepted -- field locoweed
  Oxytropis campestris var. cusickii (Greenm.) Barneby -- accepted -- Cusick's locoweed
  Oxytropis campestris var. davisii S.L. Welsh -- accepted -- Davis locoweed
  Oxytropis campestris var. dispar (A. Nelson) Barneby -- accepted -- field locoweed, northern yellow locoweed
  Oxytropis campestris var. glabrata Hook. -- not accepted
  Oxytropis campestris var. gracilis (A. Nelson) Barneby -- not accepted
  Oxytropis campestris var. johannensis Fernald -- accepted -- Johann's locoweed
  Oxytropis campestris var. jordalii (A.E. Porsild) S.L. Welsh -- accepted -- Jordal's locoweed
  Oxytropis campestris var. melanocephala Hook. -- not accepted
  Oxytropis campestris var. minor (Hook.) S.L. Welsh -- accepted -- field locoweed
  Oxytropis campestris var. roaldii (Ostenf.) S.L. Welsh -- accepted -- Roald's locoweed
  Oxytropis campestris var. rydbergii (A. Nelson) R.J. Davis -- not accepted
  Oxytropis campestris var. spicata Hook. -- accepted -- field locoweed
  Oxytropis campestris var. terrae-novae (Fernald) Barneby -- not accepted
  Oxytropis campestris var. varians (Rydb.) Barneby -- accepted -- field locoweed
  Oxytropis campestris var. wanapum Joyal -- accepted -- field locoweed
  Oxytropis chartacea Fassett -- not accepted
  Oxytropis columbiana H. St. John -- not accepted
  Oxytropis coronaminis Fernald -- not accepted
  Oxytropis cusickii Greenm. -- not accepted
  Oxytropis deflexa (Pall.) DC. -- accepted -- nodding locoweed, drooping pointloco, pendant-pod locoweed, hangpod crazyweed, nodding crazyweed
  Oxytropis deflexa (Pall.) DC. -- not accepted
  Oxytropis deflexa ssp. foliolosa (Hook.) Cody -- not accepted
  Oxytropis deflexa ssp. sericea (Torr. & A. Gray) Cody -- not accepted
  Oxytropis deflexa var. capitata B. Boivin -- not accepted
  Oxytropis deflexa var. deflexa (Pall.) DC. -- accepted -- pendantpod locoweed
  Oxytropis deflexa var. foliolosa (Hook.) Barneby -- accepted -- nodding locoweed, pendant-pod crazyweed, pendantpod locoweed
  Oxytropis deflexa var. parviflora B. Boivin -- not accepted
  Oxytropis deflexa var. pulcherrima S.L. Welsh & A. Huber -- accepted -- nodding locoweed
  Oxytropis deflexa var. sericea Torr. & A. Gray -- accepted -- blue nodding locoweed, pendant-pod locoweed, longstem hangpod crazyweed
  Oxytropis dispar (A. Nelson) K. Schum. -- not accepted
  Oxytropis foliolosa Hook. -- not accepted
  Oxytropis gaspensis Fernald & S.L. Kelsey -- not accepted
  Oxytropis glaberrima Hultén -- not accepted
  Oxytropis glabrata (Hook.) A. Nelson -- not accepted
  Oxytropis glutinosa A.E. Porsild -- not accepted
  Oxytropis gorodkovii Jurtzev -- not accepted
  Oxytropis gracilis (A. Nelson) K. Schum. -- not accepted
  Oxytropis halleri Bunge ex W.D.J. Koch -- accepted
  Oxytropis huddelsonii A.E. Porsild -- accepted -- Huddelson's locoweed
  Oxytropis huddlesonii A.E. Porsild -- not accepted -- Huddelson's locoweed
  Oxytropis hudsonica (Greene) Fernald -- not accepted
  Oxytropis hyperborea A.E. Porsild -- not accepted
  Oxytropis involuta (A. Nelson) K. Schum. -- not accepted
  Oxytropis ixodes Butters & Abbe -- not accepted
  Oxytropis johannensis (Fernald) Fernald -- not accepted
  Oxytropis jonesii Barneby -- not accepted
  Oxytropis jordalii A.E. Porsild -- not accepted -- Jordal's locoweed
  Oxytropis jordalii ssp. davisii (S.L. Welsh) Elisens & Packer -- not accepted -- Davis' locoweed
  Oxytropis jordalii ssp. jordalii A.E. Porsild -- not accepted -- Jordal's locoweed
  Oxytropis kobukensis S.L. Welsh -- accepted -- Kobuk locoweed
  Oxytropis kokrinensis A.E. Porsild -- accepted -- Kokrines locoweed, Kokrines oxytrope
  Oxytropis koyukukensis A.E. Porsild -- not accepted
  Oxytropis lagopus Nutt. -- accepted -- haresfoot locoweed, haresfoot crazyweed
  Oxytropis lagopus var. atropurpurea (Rydb.) Barneby -- accepted -- haresfoot locoweed
  Oxytropis lagopus var. conjugans Barneby -- accepted -- haresfoot locoweed
  Oxytropis lagopus var. lagopus Nutt. -- accepted -- haresfoot locoweed
  Oxytropis lambertii Pursh -- accepted -- purple locoweed, stemless loco, white woollyloco, whitepoint locoweed, Lambert's crazyweed, Lambert's locoweed, purple loco
  Oxytropis lambertii ssp. bigelovii (A. Gray) W.A. Weber -- not accepted
  Oxytropis lambertii var. articulata (Greene) Barneby -- accepted -- purple locoweed
  Oxytropis lambertii var. bigelovii A. Gray -- accepted -- purple locoweed
  Oxytropis lambertii var. lambertii Pursh -- accepted -- purple locoweed
  Oxytropis leucantha (Pallas) Pers. -- not accepted
  Oxytropis leucantha var. depressus (Rydb.) B. Boivin -- not accepted
  Oxytropis leucantha var. gaspensis (Fernald & S.L. Kelsey) B. Boivin -- not accepted
  Oxytropis leucantha var. ixodes (Butters & Abbe) B. Boivin -- not accepted
  Oxytropis leucantha var. leuchippiana B. Boivin -- not accepted
  Oxytropis leucantha var. magnifica B. Boivin -- not accepted
  Oxytropis leucantha var. viscida (Nutt.) B. Boivin -- not accepted
  Oxytropis luteola (Greene) Piper & Beattie -- not accepted
  Oxytropis macounii (Greene) Dayton -- not accepted
  Oxytropis maydelliana Trautv. -- accepted -- Maydell's oxytrope
  Oxytropis maydelliana ssp. melanocephala (Hook.) A.E. Porsild -- not accepted
  Oxytropis mertensiana Turcz. -- accepted -- Mertens' oxytrope
  Oxytropis monticola A. Gray -- not accepted -- yellowflower locoweed, yellow-flower locoweed
  Oxytropis monticola ssp. dispar (A. Nelson) Elisens & Packer -- not accepted
  Oxytropis multiceps Nutt. -- accepted -- Nuttall's oxytrope, flowery pointloco
  Oxytropis nana Nutt. -- accepted -- Wyoming locoweed
  Oxytropis nana var. argophylla (Rydb.) Isely -- not accepted -- Montana crazyweed
  Oxytropis nana var. besseyi (Rydb.) Isely -- not accepted -- Bessey's pointvetch
  Oxytropis nana var. fallax (Barneby) Isely -- not accepted -- Wyoming locoweed
  Oxytropis nana var. nana Nutt. -- not accepted -- Wyoming locoweed
  Oxytropis nana var. obnapiformis (Ced. Porter) Isely -- not accepted -- woody crazyweed
  Oxytropis nana var. salmonensis (Barneby) Isely -- not accepted -- Salmon River crazyweed
  Oxytropis nana var. ventosa (Greene) Isely -- not accepted -- Wyoming locoweed
  Oxytropis nigrescens (Pall.) Fisch. ex DC. -- accepted -- blackish oxytrope
  Oxytropis nigrescens ssp. arctobia (Bunge) Hultén -- not accepted
  Oxytropis nigrescens ssp. bryophila (Greene) Hultén -- not accepted
  Oxytropis nigrescens ssp. lonchopoda (Barneby) Cody -- not accepted
  Oxytropis nigrescens ssp. pygmaea (Pall.) Hultén -- not accepted
  Oxytropis nigrescens var. arctobia (Bunge) A. Gray -- not accepted
  Oxytropis nigrescens var. lonchopoda Barneby -- accepted -- blackish locoweed
  Oxytropis nigrescens var. nigrescens (Pall.) Fisch. ex DC. -- accepted -- blackish oxytrope, blackish locoweed
  Oxytropis nigrescens var. uniflora (Hook.) Barneby -- accepted -- one-flowered blackish locoweed, oneflower blackish locoweed
  Oxytropis obnapiformis Ced. Porter -- not accepted
  Oxytropis oreophila A. Gray -- accepted -- mountain oxytrope, mountain locoweed, roundleaf crazyweed
  Oxytropis oreophila var. jonesii (Barneby) Barneby -- accepted -- Jones' oxytrope
  Oxytropis oreophila var. juniperina S.L. Welsh -- accepted -- mountain oxytrope, juniper locoweed
  Oxytropis oreophila var. oreophila A. Gray -- accepted -- mountain oxytrope, mountain locoweed
  Oxytropis parryi A. Gray -- accepted -- Parry's oxytrope, Parry pointvetch, Parry's crazyweed
  Oxytropis patens (Rydb.) A. Nelson -- not accepted
  Oxytropis pinetorum (A. Heller) K. Schum. -- not accepted
  Oxytropis podocarpa A. Gray -- accepted -- stalkpod locoweed
  Oxytropis podocarpa var. inflata (Hook.) B. Boivin -- not accepted
  Oxytropis pygmaea (Pall.) Fernald -- not accepted
  Oxytropis richardsonii (Hook.) K. Schum. -- not accepted
  Oxytropis riparia Litv. -- accepted -- Oxus locoweed
  Oxytropis roaldii Ostenf. -- not accepted
  Oxytropis rydbergii A. Nelson -- not accepted
  Oxytropis scammaniana Hultén -- accepted -- Scamman's oxytrope
  Oxytropis sericea Nutt. -- accepted -- white locoweed, locoweed, silky crazyweed, white pointloco, silvery oxytrope, white crazyweed
  Oxytropis sericea ssp. spicata (Hook.) Cody -- not accepted
  Oxytropis sericea var. sericea Nutt. -- accepted -- white locoweed, silvery oxytrope
  Oxytropis sericea var. speciosa (Torr. & A. Gray) S.L. Welsh -- accepted -- white locoweed
  Oxytropis sericea var. spicata (Hook.) Barneby -- not accepted -- Rocky Mountain locoweed
  Oxytropis sheldonensis A.E. Porsild -- not accepted
  Oxytropis sordida auct. non (Willd.) Pers. -- not accepted
  Oxytropis sordida ssp. barnebyana (S.L. Welsh) Jurtzev -- not accepted
  Oxytropis spicata (Hook.) Standl. -- not accepted
  Oxytropis splendens Douglas ex Hook. -- accepted -- showy locoweed, showy crazyweed, showy pointvetch
  Oxytropis splendens var. richardsonii Hook. -- not accepted
  Oxytropis splendens var. vestita Hook. -- not accepted
  Oxytropis tananensis Jurtzev -- not accepted
  Oxytropis terrae-novae Fernald -- not accepted
  Oxytropis uralensis var. subsucculenta Hook. -- not accepted
  Oxytropis varians (Rydb.) K. Schum. -- not accepted
  Oxytropis verruculosa A.E. Porsild -- not accepted
  Oxytropis villosa (Rydb.) K. Schum. -- not accepted
  Oxytropis viscida Nutt. -- not accepted
  Oxytropis viscida var. hudsonica (Greene) Barneby -- not accepted -- oxytropis visqueux variété de l'Hudsonie
  Oxytropis viscida var. subsucculenta (Hook.) Barneby -- not accepted
  Oxytropis viscida var. viscida Nutt. -- not accepted -- oxytropis visqueux variété visqueux, sticky locoweed
  Oxytropis viscidula ssp. sulphurea A.E. Porsild -- not accepted
  Pachecoa prismatica (Sessé & Moc.) Standl. & B.G. Schub. -- not accepted
  Pachyrhizus Rich. ex DC. -- accepted
  Pachyrhizus ahipa (Wedd.) Parodi -- accepted -- yam bean
  Pachyrhizus angulatus Rich. ex DC. -- not accepted
  Pachyrhizus bulbosus (L.) Kurz -- not accepted
  Pachyrhizus erosus (L.) Urb. -- accepted -- yam bean
  Pachyrhizus tuberosus (Lam.) Spreng. -- accepted -- ajipo
  Paraserianthes I.C. Nielsen -- accepted
  Paraserianthes falcataria (L.) I.C. Nielsen -- not accepted -- peacocksplume
  Paraserianthes lophantha (Willd.) I.C. Nielsen -- accepted -- plume albizia
  Paraserianthes lophantha ssp. montana (Jungh.) I.C. Nielsen -- accepted -- plume albizia
  Parkia R. Br. -- accepted
  Parkia africana R. Br. -- not accepted
  Parkia bicolor A. Chev. -- accepted -- African locust-bean, bicolor parkia
  Parkia biglobosa (Jacq.) R. Br. ex G. Don -- accepted -- Clapperton's parkia
  Parkia clappertoniana Keay -- not accepted -- Clapperton's parkia
  Parkia filicoidea Welw. ex Oliv. -- accepted -- African locust bean
  Parkia roxburghii G. Don -- not accepted
  Parkia speciosa Hassk. -- accepted
  Parkia timoriana (DC.) Merr. -- accepted
  Parkinsonia L. -- accepted -- paloverde
  Parkinsonia aculeata L. -- accepted -- Jerusalem thorn, Mexican palo verde, Jerusalem-thorn, retama
  Parkinsonia florida (Benth. ex A. Gray) S. Watson -- accepted -- blue paloverde, blue palo verde
  Parkinsonia microphylla Torr. -- accepted -- yellow paloverde, littleleaf palo verde
  Parkinsonia praecox (Ruiz & Pav. ex Hook.) J. Hawkins -- accepted
  Parkinsonia texana (A. Gray) S. Watson -- accepted -- Texas paloverde
  Parkinsonia texana var. macra (I.M. Johnst.) Isely -- accepted -- Texas paloverde
  Parkinsonia texana var. texana (A. Gray) S. Watson -- accepted -- Texas paloverde
  Parochetus Buch.-Ham. ex D. Don -- accepted
  Parochetus communis Buch.-Ham. ex D. Don -- accepted -- blue-oxalis, shamrock-pea
  Parosela alopecuroides (Willd.) Rydb. -- not accepted
  Parosela aurea (Nutt. ex Fraser) Britton -- not accepted
  Parosela californica var. simplifolia Parish -- not accepted
  Parosela carnescens Rydb. -- not accepted
  Parosela dalea (L.) Britton -- not accepted
  Parosela domingensis (DC.) Millsp. -- not accepted
  Parosela enneandra (Nutt. ex Fraser) Britton -- not accepted
  Parosela floridana Rydb. -- not accepted
  Parosela formosa (Torr.) Vail -- not accepted
  Parosela grayi Vail -- not accepted -- Gray's prairie clover
  Parosela jamesii Torr. -- not accepted -- James' prairie clover
  Parosela johnsonii var. minutifolia Parish -- not accepted
  Parosela johnsonii var. pubescens Parish -- not accepted
  Parosela lanata (Spreng.) Britton -- not accepted
  Parosela longipila Rydb. -- not accepted
  Parosela mollissima Rydb. -- not accepted
  Parosela nana (Torr. ex A. Gray) A. Heller -- not accepted
  Parosela thompsoniae Vail -- not accepted -- Thompson's dalea
  Parosela walkerae Tharp & F.A. Barkley -- not accepted -- Walker prairie clover
  Parryella Torr. & A. Gray ex A. Gray -- accepted
  Parryella filifolia Torr. & A. Gray ex A. Gray -- accepted -- common dunebroom, dune broom
  Parryella rotundata Wooton -- not accepted
  Pediomelum Rydb. -- accepted -- Indian breadroot, breadroot, scurfpea
  Pediomelum argophyllum (Pursh) J.W. Grimes -- accepted -- silverleaf Indian breadroot, silverleaf scurfpea
  Pediomelum aromaticum (Payson) W.A. Weber -- accepted -- aromatic Indian breadroot
  Pediomelum aromaticum var. barnebyi S.L. Welsh -- not accepted
  Pediomelum aromaticum var. tuhyi S.L. Welsh -- not accepted
  Pediomelum brachypus Rydb. -- not accepted
  Pediomelum californicum (S. Watson) Rydb. -- accepted -- California Indian breadroot
  Pediomelum canescens (Michx.) Rydb. -- accepted -- buckroot
  Pediomelum castoreum (S. Watson) Rydb. -- accepted -- Beaver Indian breadroot, Beaver Dam scurfpea
  Pediomelum coryi Tharp & F.A. Barkley -- not accepted
  Pediomelum cuspidatum (Pursh) Rydb. -- accepted -- largebract Indian breadroot, tallbread scurfpea
  Pediomelum cyphocalyx (A. Gray) Rydb. -- accepted -- turniproot
  Pediomelum digitatum (Nutt. ex Torr. & A. Gray) Isely -- accepted -- palmleaf Indian breadroot
  Pediomelum digitatum var. parvifolium (Shinners) Gandhi & L.E. Br. -- not accepted
  Pediomelum epipsilum (Barneby) S.L. Welsh -- not accepted
  Pediomelum esculentum (Pursh) Rydb. -- accepted -- large Indian breadroot, Indian breadroot, breadroot scurfpea
  Pediomelum goughiae Tharp & F.A. Barkley -- not accepted
  Pediomelum humile Rydb. -- accepted -- Rydberg's Indian breadroot, Rydberg's scurpea
  Pediomelum hypogaeum (Nutt.) Rydb. -- accepted -- subterranean Indian breadroot, scurfpea
  Pediomelum hypogaeum var. hypogaeum (Nutt.) Rydb. -- accepted -- subterranean Indian breadroot
  Pediomelum hypogaeum var. scaposum (A. Gray) Mahler -- accepted -- subterranean Indian breadroot, small Indian breadroot
  Pediomelum hypogaeum var. subulatum (Bush) J.W. Grimes -- accepted -- subterranean Indian breadroot, scurfpea
  Pediomelum latestipulatum (Shinners) Mahler -- accepted -- Texas Plains Indian breadroot
  Pediomelum latestipulatum var. appressum (Ockendon) Gandhi & L.E. Br. -- accepted -- Texas Plains Indian breadroot
  Pediomelum latestipulatum var. latestipulatum (Shinners) Mahler -- accepted -- Texas Plains Indian breadroot
  Pediomelum linearifolium (Torr. & A. Gray) J.W. Grimes -- accepted -- narrowleaf Indian breadroot, slimleaf scurfpea
  Pediomelum megalanthum (Wooton & Standl.) Rydb. -- accepted -- Intermountain Indian breadroot, large-flowered Indian breadroot
  Pediomelum megalanthum var. epipsilum (Barneby) J.W. Grimes -- accepted -- Intermountain Indian breadroot
  Pediomelum megalanthum var. megalanthum (Wooton & Standl.) Rydb. -- accepted -- Intermountain Indian breadroot
  Pediomelum megalanthum var. retrorsum (Rydb.) J.W. Grimes -- accepted -- Intermountain Indian breadroot
  Pediomelum mephiticum (S. Watson) Rydb. -- accepted -- skunktop
  Pediomelum pariense (S.L. Welsh & N.D. Atwood) J.W. Grimes -- accepted -- Paria River Indian breadroot
  Pediomelum pentaphyllum (L.) Rydb. -- accepted -- small Indian breadroot, Chihuahua scurfpea
  Pediomelum pentaphyllum var. scaposum (A. Gray) J.W. Grimes -- not accepted
  Pediomelum piedmontanum J.R. Allison, M.W. Morris, & A.N. Egan -- accepted -- Piedmont breadroot
  Pediomelum reverchonii (S. Watson) Rydb. -- accepted -- rock Indian breadroot, rock scurfpea
  Pediomelum rhombifolium (Torr. & A. Gray) Rydb. -- accepted -- Gulf Indian breadroot, roundleaf scurfpea
  Pediomelum subacaule (Torr. & A. Gray) Rydb. -- accepted -- whiterim scurfpea
  Pediomelum subacaulis (Torr. & A. Gray) Rydb. -- not accepted
  Pediomelum subulatum (Bush) Rydb. -- not accepted
  Pediomelum trinervatum Rydb. -- not accepted
  Peiranisia bahamensis (Mill.) Britton & Rose -- not accepted
  Peiranisia polyphylla (Jacq.) Britton & Rose -- not accepted
  Peltophorum (Vogel) Benth. -- accepted
  Peltophorum dubia (Spreng.) Taub. -- not accepted -- horsebush
  Peltophorum dubium (Spreng.) Taub. -- accepted -- horsebush, copperpod
  Peltophorum inerme (Roxb.) Naves ex Fern.-Vill. -- not accepted
  Peltophorum inermis (Roxb.) Naves ex Fern.-Vill. -- not accepted
  Peltophorum pterocarpa (DC.) Backer ex K. Heyne -- not accepted -- yellow poinciana
  Peltophorum pterocarpum (DC.) Backer ex K. Heyne -- accepted
  Pentaclethra Benth. -- accepted
  Pentaclethra macrophylla Benth. -- accepted -- oilbean tree
  Periandra Mart. ex Benth. -- accepted
  Periandra heterophylla Benth. -- accepted
  Pericopsis Thwaites -- accepted
  Pericopsis mooniana Thwaites -- accepted
  Petalostemon adenopodus (Rydb.) Wemple -- not accepted
  Petalostemon albidus (Torr. & A. Gray) Small -- not accepted
  Petalostemon arenicola Wemple -- not accepted
  Petalostemon candidus Michx. -- not accepted
  Petalostemon candidus var. oligophyllus (Torr.) F.J. Herm. -- not accepted
  Petalostemon carneus Michx. -- not accepted
  Petalostemon carneus var. albidus Torr. & A. Gray -- not accepted
  Petalostemon caroliniensis (Lam.) Sprague -- not accepted
  Petalostemon compactus (Spreng.) Swezey -- not accepted
  Petalostemon decumbens Nutt. -- not accepted
  Petalostemon emarginatus Torr. & A. Gray -- not accepted
  Petalostemon exilis A. Gray -- not accepted
  Petalostemon feayi Chapm. -- not accepted
  Petalostemon flavescens S. Watson -- not accepted
  Petalostemon foliosus A. Gray -- not accepted
  Petalostemon gattingeri (A. Heller) A. Heller -- not accepted
  Petalostemon glandulosus J.M. Coult. & Fisher -- not accepted
  Petalostemon gracilis Nutt. -- not accepted
  Petalostemon gracilis var. oligophyllus Torr. -- not accepted
  Petalostemon griseus Torr. & A. Gray -- not accepted
  Petalostemon macrostachyus Torr. -- not accepted
  Petalostemon microphyllus (Torr. & A. Gray) A. Heller -- not accepted
  Petalostemon mollis Rydb. -- not accepted
  Petalostemon multiflorus Nutt. -- not accepted
  Petalostemon obovatus Torr. & A. Gray -- not accepted
  Petalostemon occidentalis (A. Heller) Fernald -- not accepted
  Petalostemon oligophyllus (Torr.) Torr. ex Smyth -- not accepted
  Petalostemon ornatus Douglas ex Hook. -- not accepted
  Petalostemon phleoides Torr. & A. Gray -- not accepted
  Petalostemon phleoides var. microphyllus Torr. & A. Gray -- not accepted
  Petalostemon pilosulus Rydb. -- not accepted
  Petalostemon pinnatus (J.F. Gmel.) S.F. Blake -- not accepted
  Petalostemon pinnatus ssp. trifoliatus (Chapm.) Wemple -- not accepted
  Petalostemon prostratus Wooton & Standl. -- not accepted
  Petalostemon pulcherrimus (A. Heller) A. Heller -- not accepted
  Petalostemon purpureus (Vent.) Rydb. -- not accepted
  Petalostemon purpureus var. mollis (Rydb.) A. Nelson -- not accepted
  Petalostemon reverchonii S. Watson -- not accepted
  Petalostemon sabinalis S. Watson -- not accepted
  Petalostemon scariosus (S. Watson) Wemple -- not accepted
  Petalostemon searlsiae A. Gray -- not accepted
  Petalostemon stanfieldii Small -- not accepted
  Petalostemon tenuifolius A. Gray -- not accepted
  Petalostemon tenuis (J.M. Coult.) A. Heller -- not accepted
  Petalostemon villosus Nutt. -- not accepted
  Petalostemon violaceus var. tenuis J.M. Coult. -- not accepted
  Petalostemum foliosum A. Gray -- not accepted
  Peteria A. Gray -- accepted
  Peteria nevadensis Tidestr. -- not accepted
  Peteria scoparia A. Gray -- accepted -- rush peteria
  Peteria thompsoniae S. Watson -- accepted -- Thompson's peteria
  Phaca americana (Hook.) Rydb. ex Britton & A. Br. -- not accepted
  Phaca bodinii (E. Sheld.) Rydb. -- not accepted
  Phaca frigida var. americana Hook. -- not accepted
  Phaca intonsa (E. Sheld.) Rydb. ex Small -- not accepted
  Phaca longifolia (Pursh) Nutt. -- not accepted
  Phaca neglecta Torr. & A. Gray -- not accepted
  Phaca obcordata (Elliott) Rydb. ex Small -- not accepted
  Phaca salsula Pall. -- not accepted
  Phaseolus L. -- accepted -- bean, wild bean
  Phaseolus aconitifolius Jacq. -- not accepted
  Phaseolus acutifolius A. Gray -- accepted -- tepary bean
  Phaseolus acutifolius var. acutifolius A. Gray -- accepted -- tepary bean
  Phaseolus acutifolius var. latifolius G.F. Freeman -- accepted -- tepary bean
  Phaseolus acutifolius var. tenuifolius A. Gray -- accepted -- tepary bean
  Phaseolus adenanthus G. Mey. -- not accepted
  Phaseolus angularis (Willd.) W. Wight -- not accepted
  Phaseolus angustissimus A. Gray -- accepted -- slimleaf bean, narrowleaf bean
  Phaseolus angustissimus var. latus M.E. Jones -- not accepted
  Phaseolus antillanus Urb. -- not accepted
  Phaseolus atropurpureus DC. -- not accepted
  Phaseolus aureus Roxb. -- not accepted
  Phaseolus bracteatus Nees & Mart. -- not accepted
  Phaseolus calcaratus Roxb. -- not accepted
  Phaseolus caracalla L. -- not accepted
  Phaseolus coccineus L. -- accepted -- scarlet runner
  Phaseolus cylindricus L. -- not accepted
  Phaseolus filiformis Benth. -- accepted -- slimjim bean
  Phaseolus grayanus Wooton & Standl. -- not accepted -- Gray's bean
  Phaseolus heterophyllus Willd. -- not accepted
  Phaseolus heterophyllus var. rotundifolius (A. Gray) Piper -- not accepted
  Phaseolus inamoenus L. -- not accepted
  Phaseolus lathyroides L. -- not accepted
  Phaseolus leiospermus Torr. & A. Gray -- not accepted
  Phaseolus limensis Macfad. -- not accepted
  Phaseolus lunatus L. -- accepted -- sieva bean
  Phaseolus lunatus var. lunonanus L.H. Bailey -- not accepted
  Phaseolus maculatus Scheele -- accepted -- spotted bean, metcalf bean
  Phaseolus max L. -- not accepted
  Phaseolus metcalfei Wooton & Standl. -- not accepted
  Phaseolus multiflorus Lam. -- not accepted
  Phaseolus mungo L. -- not accepted
  Phaseolus parvulus Greene -- accepted -- Pinos Altos Mountain bean
  Phaseolus pedicellatus Benth. -- accepted -- Sonoran bean
  Phaseolus pedicellatus var. grayanus (Wooton & Standl.) A. Delgado ex Isely -- accepted -- Gray's bean
  Phaseolus peduncularis Kunth -- not accepted
  Phaseolus polymorphus S. Watson -- accepted -- variable bean
  Phaseolus polystachios (L.) Britton, Sterns & Poggenb. -- accepted -- thicket bean, slimleaf bean
  Phaseolus polystachios var. aquilonius Fernald -- not accepted
  Phaseolus polystachios var. polystachios (L.) Britton, Sterns & Poggenb. -- accepted -- thicket bean
  Phaseolus polystachios var. sinuatus (Nutt. ex Torr. & A. Gray) R. Marechal, J.M. Mascherpa & F. Stainier -- accepted -- thicket bean
  Phaseolus polystachyus (L.) Britton, Sterns & Poggenb. -- not accepted
  Phaseolus radiatus L. -- not accepted
  Phaseolus ritensis M.E. Jones -- accepted -- Santa Rita Mountain bean
  Phaseolus schottii Benth. -- not accepted
  Phaseolus semierectus L. -- not accepted
  Phaseolus sinuatus Nutt. ex Torr. & A. Gray -- not accepted
  Phaseolus smilacifolius Pollard -- not accepted
  Phaseolus speciosus Kunth -- not accepted
  Phaseolus sublobatus Roxb. -- not accepted
  Phaseolus supinus Wiggins & Rollins -- not accepted -- supine bean
  Phaseolus trichocarpus C. Wright -- not accepted
  Phaseolus trinervius Wight & Arn. -- not accepted
  Phaseolus tunkinensis Lour. -- not accepted
  Phaseolus vulgaris L. -- accepted -- kidney bean
  Phaseolus vulgaris var. humilis Alef. -- not accepted
  Phaseolus wrightii A. Gray -- not accepted
  Philenoptera Hochst. ex A. Rich. -- accepted
  Philenoptera cyanescens (Schumach. & Thonn.) Roberty -- accepted
  Physostigma Balf. -- accepted
  Physostigma venenosum Balf. -- accepted -- Calabar bean
  Pickeringia Nutt. -- accepted -- chaparral pea
  Pickeringia montana Nutt. -- accepted -- chaparral pea, Montana chaparral pea
  Pickeringia montana ssp. tomentosa (Abrams) Abrams -- not accepted
  Pickeringia montana var. montana Nutt. -- accepted -- chaparral pea, Montana chaparral pea
  Pickeringia montana var. tomentosa (Abrams) I.M. Johnst. -- accepted -- chaparral pea, Montana chaparral pea
  Pictetia DC. -- accepted
  Pictetia aculeata (Vahl) Urb. -- accepted -- fustic
  Piptadenia falcata Benth. -- not accepted
  Piptadenia peregrina (L.) Benth. -- not accepted
  Piscidia L. -- accepted
  Piscidia carthagenensis Jacq. -- accepted -- stinkwood
  Piscidia carthaginensis Jacq. -- not accepted
  Piscidia erythrina L. -- not accepted
  Piscidia mollis Rose -- accepted
  Piscidia piscipula (L.) Sarg. -- accepted -- Florida fishpoison tree, Jamaican-dogwood, Fish-fuddle tree
  Pisophaca flexuosa (Douglas ex Hook.) Rydb. -- not accepted
  Pisum L. -- accepted -- pea
  Pisum arvense L. -- not accepted
  Pisum elatius Steven ex M. Bieb. -- not accepted -- wild pea
  Pisum fulvum Sibth. & Sm. -- accepted -- tawny pea
  Pisum humile Boiss. & Noë -- not accepted
  Pisum maritimum L. -- not accepted
  Pisum maritimum var. glabrum Ser. -- not accepted
  Pisum sativum L. -- accepted -- garden pea
  Pisum sativum ssp. arvense (L.) Poir. -- not accepted
  Pisum sativum ssp. sativum L. -- not accepted -- garden pea
  Pisum sativum var. arvense (L.) Poir. -- accepted -- field pea, Austrian winter pea
  Pisum sativum var. humile (Holmboe) Breuter, Matthas, & Risse -- not accepted
  Pisum sativum var. macrocarpon Ser. -- accepted
  Pisum syriacum (A. Berger) C.O. Lehm. -- not accepted -- Syrian pea
  Pitcheria Nutt. -- not accepted
  Pitcheria galactioides Nutt. -- not accepted
  Pitcheria galactoides Nutt. -- not accepted
  Pithecellobium Mart. -- accepted -- blackbead
  Pithecellobium arboreum (L.) Urb. -- not accepted
  Pithecellobium carbonarium (Britton) Niezgoda & Nevling -- not accepted
  Pithecellobium confine Standl. -- not accepted
  Pithecellobium dulce (Roxb.) Benth. -- accepted -- monkeypod
  Pithecellobium ebano (Berland.) C.H. Mull. -- not accepted -- Texas ebony
  Pithecellobium flexicaule (Benth.) J.M. Coult. -- not accepted
  Pithecellobium graciliflorum S.F. Blake -- not accepted -- Guadeloupe blackbead
  Pithecellobium guadalupense (Pers.) Chapm. -- not accepted
  Pithecellobium jiringa (Jack) Prain -- not accepted -- blackbead
  Pithecellobium keyense Coker ex Britton -- accepted -- Florida Keys blackbead
  Pithecellobium mexicanum Rose -- not accepted
  Pithecellobium minutum M.E. Jones -- not accepted
  Pithecellobium pallens (Benth.) Standl. -- not accepted
  Pithecellobium saman (Jacq.) Benth. -- not accepted
  Pithecellobium sonorae S. Watson -- not accepted
  Pithecellobium unguis-cati (L.) Benth. -- accepted -- catclaw blackbead
  Platymiscium Vogel -- accepted -- trebol, macawood
  Platymiscium stipulare Benth. -- accepted
  Poinciana gilliesii Wall. ex Hook. -- not accepted
  Poinciana mexicana (A. Gray) Rose -- not accepted
  Poinciana pulcherrima L. -- not accepted
  Poinciana regia Bojer -- not accepted
  Poincianella mexicana (A. Gray) Britton & Rose -- accepted -- Mexican poinciana, Mexican holdback
  Poitea Vent. -- accepted -- wattapama
  Poitea florida (Vahl) Lavin -- accepted -- wattapama
  Poitea paucifolia (DC.) Lavin -- accepted -- retama
  Poitea punicea (Urb.) Lavin -- accepted -- caracol illo
  Pomaria Cav. -- accepted
  Pomaria austrotexana B.B. Simpson -- accepted -- Texas holdback
  Pomaria brachycarpa (A. Gray) B.B. Simpson -- accepted -- broadpod nicker
  Pomaria jamesii (Torr. & A. Gray) Walp. -- accepted -- James' holdback
  Pomaria melanosticta S. Schauer -- accepted -- Parry's holdback
  Pomaria wootonii (Britton) B.B. Simpson -- accepted -- Wooton's holdback
  Pongamia Vent. -- not accepted
  Pongamia glabra Vent. -- not accepted
  Pongamia pinnata (L.) Pierre -- not accepted
  Poponax Raf. -- not accepted
  Poponax macracantha (Humb. & Bonpl. ex Willd.) Killip -- not accepted
  Poponax macracanthoides (Bertero ex DC.) Britton & Rose -- not accepted
  Poponax tortuosa (L.) Raf. -- not accepted
  Prosopis L. -- accepted -- mesquite
  Prosopis africana (Guill. & Perr.) Taub. -- accepted -- African mesquite
  Prosopis alba Griseb. -- accepted -- algarrobo blanco
  Prosopis alpataco Phil. -- accepted -- mesquite
  Prosopis argentina Burkart -- accepted -- mesquite
  Prosopis articulata S. Watson -- not accepted -- velvet mesquite
  Prosopis burkartii Muńoz -- accepted -- mesquite
  Prosopis caldenia Burkart -- accepted -- mesquite
  Prosopis calingastana Burkart -- accepted -- mesquite, cusqui
  Prosopis campestris Griseb. -- accepted -- mesquite
  Prosopis castellanosii Burkart -- accepted -- mesquite
  Prosopis chilensis (Molina) Stuntz -- accepted -- algarrobo
  Prosopis chilensis var. chilensis (Molina) Stuntz -- not accepted -- algarrobo
  Prosopis chilensis var. glandulosa (Torr.) Standl. -- not accepted
  Prosopis chilensis var. velutina (Wooton) Standl. -- not accepted
  Prosopis cineraria (L.) Druce -- accepted -- jand
  Prosopis cinerascens (A. Gray) Benth. -- not accepted
  Prosopis denudans Benth. -- accepted -- mesquite
  Prosopis elata (Burkart) Burkart -- accepted -- mesquite
  Prosopis farcta (Banks & Sol.) J.F. Macbr. -- accepted -- Syrian mesquite
  Prosopis ferox Griseb. -- accepted -- mesquite
  Prosopis fiebrigii Harms -- accepted -- mesquite
  Prosopis glandulosa Torr. -- accepted -- honey mesquite
  Prosopis glandulosa var. glandulosa Torr. -- accepted -- honey mesquite
  Prosopis glandulosa var. prostrata Burkart -- accepted -- honey mesquite
  Prosopis glandulosa var. torreyana (L.D. Benson) M.C. Johnst. -- accepted -- western honey mesquite
  Prosopis hassleri Harms ex Hassl. -- accepted -- mesquite
  Prosopis humilis Gillies ex Hook. & Arn. -- accepted -- mesquite
  Prosopis juliflora auct. non (Sw.) DC. -- not accepted
  Prosopis juliflora (Sw.) DC. -- accepted -- mesquite
  Prosopis juliflora var. articulata (S. Watson) Wiggins -- not accepted
  Prosopis juliflora var. glandulosa (Torr.) Cockerell -- not accepted
  Prosopis juliflora var. juliflora (Sw.) DC. -- not accepted -- mesquite
  Prosopis juliflora var. torreyana L.D. Benson -- not accepted
  Prosopis juliflora var. velutina (Wooton) Sarg. -- not accepted
  Prosopis kuntzei Harms ex Hassl. -- accepted -- mesquite
  Prosopis laevigata (Humb. & Bonpl. ex Willd.) M.C. Johnst. -- accepted -- smooth mesquite
  Prosopis limensis Benth. -- not accepted
  Prosopis nigra (Griseb.) Hieron. -- accepted -- algarrobo negro
  Prosopis odorata Torr. & Frém. -- not accepted
  Prosopis pallida (Humb. & Bonpl. ex Willd.) Kunth -- accepted -- kiawe, algaroba, mesquite
  Prosopis palmeri S. Watson -- accepted -- mesquite
  Prosopis pubescens Benth. -- accepted -- screwbean mesquite, screwbean
  Prosopis reptans Benth. -- accepted -- tornillo, creeping mesquite
  Prosopis reptans var. cinerascens (A. Gray) Burkart -- accepted -- tornillo
  Prosopis reptans var. reptans Benth. -- accepted -- tornillo
  Prosopis rojasiana Burkart -- accepted -- mesquite
  Prosopis ruizlealii Burkart -- accepted -- mesquite
  Prosopis ruscifolia Griseb. -- accepted -- mesquite
  Prosopis sericantha Gillies ex Hook. & Arn. -- accepted -- mesquite
  Prosopis stephaniana (M. Bieb.) Kunth ex Spreng. -- not accepted
  Prosopis strombulifera (Lam.) Benth. -- accepted -- Argentine screwbean, creeping mesquite
  Prosopis tamarugo F. Phil. -- accepted -- tamarugo
  Prosopis torquata (Cav. ex Lag.) DC. -- accepted -- mesquite
  Prosopis velutina Wooton -- accepted -- velvet mesquite
  Pseudarthria Wight & Arn. -- accepted
  Pseudarthria hookeri Wight & Arn. -- accepted
  Psophocarpus Neck. ex DC. -- accepted
  Psophocarpus palmettorum Guill. & Perr. -- not accepted
  Psophocarpus palustris Desv. -- accepted
  Psophocarpus tetragonolobus (L.) DC. -- accepted -- winged bean
  Psoralea L. -- accepted
  Psoralea americana L. -- not accepted
  Psoralea americana var. polystachya Cout. -- not accepted
  Psoralea argophylla Pursh -- not accepted
  Psoralea aromatica Payson -- not accepted
  Psoralea bituminosa L. -- not accepted
  Psoralea brachypus (Rydb.) Standl. -- not accepted
  Psoralea bracteata P.J. Bergius -- not accepted
  Psoralea californica S. Watson -- not accepted
  Psoralea candicans Eckl. & Zeyh. -- not accepted
  Psoralea canescens Michx. -- not accepted
  Psoralea castorea S. Watson -- not accepted
  Psoralea cinerea Lindl. -- not accepted
  Psoralea collina Rydb. -- not accepted
  Psoralea corylifolia L. -- not accepted
  Psoralea cuspidata Pursh -- not accepted
  Psoralea cyphocalyx A. Gray -- not accepted
  Psoralea dentata DC. -- not accepted
  Psoralea digitata Nutt. ex Torr. & A. Gray -- not accepted
  Psoralea digitata var. parvifolia Shinners -- not accepted
  Psoralea douglasii Greene -- not accepted
  Psoralea douglasii var. hansenii Jeps. -- not accepted
  Psoralea epipsila Barneby -- not accepted
  Psoralea esculenta Pursh -- not accepted
  Psoralea floribunda Nutt. ex Torr. & A. Gray -- not accepted
  Psoralea fruticans (L.) Druce -- not accepted
  Psoralea glandulosa L. -- not accepted
  Psoralea graveolens Domin -- not accepted
  Psoralea hallii (Rydb.) Jeps. -- not accepted
  Psoralea hallii var. media Jeps. -- not accepted
  Psoralea humilis (Rydb.) J.F. Macbr. -- not accepted
  Psoralea hypogaea Nutt. -- not accepted
  Psoralea hypogaea ssp. scaposa (A. Gray) Ockendon -- not accepted
  Psoralea hypogaea var. scaposa A. Gray -- not accepted
  Psoralea juncea Eastw. -- not accepted
  Psoralea lanceolata Pursh -- not accepted
  Psoralea lanceolata ssp. scabra (Nutt.) Piper -- not accepted
  Psoralea lanceolata var. purshii (Vail) Piper -- not accepted
  Psoralea lanceolata var. stenophylla (Rydb.) Toft & S.L. Welsh -- not accepted
  Psoralea lanceolata var. stenostachys (Rydb.) S.L. Welsh -- not accepted
  Psoralea latestipulata Shinners -- not accepted
  Psoralea latestipulata var. appressa Ockendon -- not accepted
  Psoralea leporina Aiton -- not accepted
  Psoralea linearifolia Torr. & A. Gray -- not accepted
  Psoralea lupinella Michx. -- not accepted
  Psoralea lupinellus Michx. -- not accepted
  Psoralea macrophylla Rowlee ex Small -- not accepted
  Psoralea macrostachya DC. -- not accepted
  Psoralea macrostachya var. longiloba (Rydb.) J.F. Macbr. -- not accepted
  Psoralea macrostachya var. rhombifolia Torr. -- not accepted
  Psoralea megalantha Wooton & Standl. -- not accepted
  Psoralea mephitica S. Watson -- not accepted
  Psoralea mephitica var. retrorsa (Rydb.) Kearney & Peebles -- not accepted
  Psoralea micrantha A. Gray -- not accepted
  Psoralea obtusifolia Torr. & A. Gray -- not accepted
  Psoralea onobrychis Nutt. -- not accepted
  Psoralea orbicularis Lindl. -- not accepted
  Psoralea pariensis S.L. Welsh & N.D. Atwood -- not accepted
  Psoralea pedunculata (Mill.) Vail -- not accepted
  Psoralea pentaphylla L. -- not accepted
  Psoralea physodes Douglas ex Hook. -- not accepted
  Psoralea psoralioides (Walter) Cory -- not accepted
  Psoralea psoralioides var. eglandulosa (Elliott) F.L. Freeman -- not accepted
  Psoralea psoralioides var. gracilis (Torr. & A. Gray) F.L. Freeman -- not accepted
  Psoralea reverchonii S. Watson -- not accepted
  Psoralea rhombifolia Torr. & A. Gray -- not accepted
  Psoralea rigida Parish -- not accepted
  Psoralea rydbergii Cory -- not accepted
  Psoralea scabra Nutt. -- not accepted
  Psoralea scaposa (A. Gray) J.F. Macbr. -- not accepted
  Psoralea scaposa var. breviscapa Shinners -- not accepted
  Psoralea simplex Nutt. ex Torr. & A. Gray -- not accepted
  Psoralea stenostachys Rydb. -- not accepted
  Psoralea stipulata Torr. & A. Gray -- not accepted
  Psoralea strobilina Hook. & Arn. -- not accepted
  Psoralea subacaulis Torr. & A. Gray -- not accepted
  Psoralea subulata Bush -- not accepted
  Psoralea subulata var. minor Shinners -- not accepted
  Psoralea tenax Lindl. -- not accepted
  Psoralea tenuiflora Pursh -- not accepted
  Psoralea tenuiflora var. bigelovii (Rydb.) J.F. Macbr. -- not accepted
  Psoralea tenuiflora var. floribunda (Nutt. ex Torr. & A. Gray) Rydb. -- not accepted
  Psoralea trinervata (Rydb.) Standl. -- not accepted
  Psoralea virgata Nutt. -- not accepted
  Psoralidium Rydb. -- accepted -- scurfpea, breadroot
  Psoralidium argophyllum (Pursh) Rydb. -- not accepted
  Psoralidium batesii Rydb. -- not accepted
  Psoralidium digitatum (Nutt. ex Torr. & A. Gray) Rydb. -- not accepted
  Psoralidium junceum (Eastw.) Rydb. -- accepted -- rush lemonweed
  Psoralidium lanceolatum (Pursh) Rydb. -- accepted -- lemon scurfpea, wild lemonweed, dune scurfpea
  Psoralidium lanceolatum var. stenophyllum (Rydb.) S.L. Welsh -- not accepted
  Psoralidium lanceolatum var. stenostachys (Rydb.) S.L. Welsh -- not accepted
  Psoralidium linearifolium (Torr. & A. Gray) Rydb. -- not accepted
  Psoralidium linearifolium var. palodurense Tharp & F.A. Barkley -- not accepted
  Psoralidium linearifolium var. texense Tharp & F.A. Barkley -- not accepted
  Psoralidium stenophyllum (Rydb.) Rydb. -- not accepted
  Psoralidium tenuiflorum (Pursh) Rydb. -- accepted -- slimflower scurfpea, scurfpea
  Psorothamnus Rydb. -- accepted -- smokebush
  Psorothamnus arborescens (Torr. ex A. Gray) Barneby -- accepted -- Mojave indigobush, Mojave smokebush, Mojave dalea
  Psorothamnus arborescens var. arborescens (Torr. ex A. Gray) Barneby -- accepted -- Mojave indigobush
  Psorothamnus arborescens var. minutifolius (Parish) Barneby -- accepted -- Johnson's indigobush, Johnson false dalea, Johnson's dalea
  Psorothamnus arborescens var. pubescens (Parish) Barneby -- accepted -- Mojave indigobush, Mojave smokebush
  Psorothamnus arborescens var. simplifolius (Parish) Barneby -- accepted -- California indigobush
  Psorothamnus emoryi (A. Gray) Rydb. -- accepted -- dyebush, white dalea
  Psorothamnus emoryi var. arenarius (Brandegee) Barneby -- not accepted
  Psorothamnus fremontii (Torr. ex A. Gray) Barneby -- accepted -- Fremont's dalea, Fremont dalea
  Psorothamnus fremontii var. attenuatus Barneby -- accepted -- Fremont's dalea, Fremont false dalea
  Psorothamnus fremontii var. fremontii (Torr. ex A. Gray) Barneby -- accepted -- Fremont's dalea, Fremont false dalea
  Psorothamnus kingii (S. Watson) Barneby -- accepted -- King's dalea
  Psorothamnus polydenius (Torr. ex S. Watson) Rydb. -- accepted -- Nevada dalea
  Psorothamnus polydenius var. jonesii Barneby -- accepted -- Jones' dalea
  Psorothamnus polydenius var. polydenius (Torr. ex S. Watson) Rydb. -- accepted -- Nevada dalea, Nevada smokebush
  Psorothamnus schottii (Torr.) Barneby -- accepted -- Schott's dalea, indigobush, Schott false dalea
  Psorothamnus scoparius (A. Gray) Rydb. -- accepted -- broom dalea
  Psorothamnus spinosus (A. Gray) Barneby -- accepted -- smoketree
  Psorothamnus thompsoniae (Vail) S.L. Welsh & N.D. Atwood -- accepted -- Thompson's dalea, Thompson dalea
  Psorothamnus thompsoniae var. thompsoniae (Vail) S.L. Welsh & N.D. Atwood -- accepted -- Thompson's dalea
  Psorothamnus thompsoniae var. whitingii (Kearney & Peebles) Barneby -- accepted -- Whiting's dalea, Thompson dalea
  Pterocarpus Jacq. -- accepted
  Pterocarpus erinaceus Poir. -- accepted -- barwood
  Pterocarpus indicus Willd. -- accepted
  Pterocarpus macrocarpus Kurz -- accepted -- Burma padauk
  Pterocarpus marsupium Roxb. -- accepted -- Malabar kino
  Pterocarpus officinalis Jacq. -- accepted -- dragonsblood tree
  Pterocarpus osun Craib -- accepted
  Pterocarpus santalinus L. f. -- accepted -- red sandalwood
  Pterocarpus soyauxii Taub. -- accepted -- barwood
  Pueraria DC. -- accepted -- kudzu
  Pueraria hirsuta (Thunb.) C.K. Schneid. -- not accepted
  Pueraria lobata (Willd.) Ohwi -- not accepted -- kudzu, kudzu vine
  Pueraria lobata var. thomsonii (Benth.) Maesen -- not accepted
  Pueraria montana (Lour.) Merr. -- accepted -- kudzu
  Pueraria montana var. chinensis (Ohwi) Maesen & S.M. Almeida ex Sanjappa & Predeep -- accepted -- kudzu
  Pueraria montana var. lobata (Willd.) Maesen & S.M. Almeida ex Sanjappa & Predeep -- accepted -- kudzu, nepalem, wa yaka, acha, aka, Japanese arrowroot
  Pueraria montana var. montana (Lour.) Merr. -- accepted -- Taiwan kudzu, wild kudzu
  Pueraria phaseoloides (Roxb.) Benth. -- accepted -- tropical kudzu, puero
  Pueraria thunbergiana (Siebold & Zucc.) Benth. -- not accepted -- kudzu
  Pueraria tonkinensis Gagnep. -- not accepted
  Rehsonia floribunda (Willd.) Stritch -- not accepted
  Rehsonia sinensis (Sims) Stritch -- not accepted
  Retama Raf. -- accepted -- bridal broom
  Retama monosperma (L.) Boiss. -- accepted -- bridal broom
  Retama raetam (Forssk.) Webb & Berthel. -- accepted -- retem
  Rhynchosia Lour. -- accepted -- snoutbean
  Rhynchosia americana (Houst. ex Mill.) Metz -- accepted -- American snoutbean
  Rhynchosia calosperma Warb. -- accepted
  Rhynchosia caribaea (Jacq.) DC. -- accepted -- Caribbean snoutbean
  Rhynchosia chrysadenia Taub. -- not accepted
  Rhynchosia cinerea Nash -- accepted -- brownhair snoutbean
  Rhynchosia cytisoides (Bertol.) Wilbur -- accepted -- royal snoutbean
  Rhynchosia densiflora (Roth) DC. -- accepted
  Rhynchosia densiflora ssp. chrysadenia (Taub.) Verdc. -- accepted
  Rhynchosia difformis (Elliott) DC. -- accepted -- doubleform snoutbean
  Rhynchosia edulis Griseb. -- accepted -- Chihuahuan snoutbean, Chihuahuan snout-bean
  Rhynchosia erecta (Walter) DC. -- not accepted
  Rhynchosia galactoides (Nutt.) Endl. ex Walp. -- not accepted
  Rhynchosia intermedia (Torr. & A. Gray) Small -- not accepted
  Rhynchosia latifolia Nutt. ex Torr. & A. Gray -- accepted -- prairie snoutbean, broadleaf snoutbean
  Rhynchosia lewtonii (Vail) K. Schum. -- accepted -- pinelands snoutbean
  Rhynchosia malacophylla (Spreng.) Bojer -- accepted
  Rhynchosia michauxii Vail -- accepted -- Michaux's snoutbean
  Rhynchosia minima (L.) DC. -- accepted -- least snoutbean
  Rhynchosia minima var. diminifolia Walraven -- not accepted
  Rhynchosia minima var. prostrata (Harv.) Meikle -- not accepted
  Rhynchosia mollissima (Elliott) Shuttlew. ex S. Watson -- not accepted
  Rhynchosia parvifolia DC. -- accepted -- small-leaf snoutbean
  Rhynchosia phaseoloides (Sw.) DC. -- accepted -- crabseye
  Rhynchosia pinetorum Standl. -- not accepted
  Rhynchosia precatoria DC. -- accepted -- rosary snoutbean
  Rhynchosia rariflora Standl. -- not accepted
  Rhynchosia reniformis DC. -- accepted -- dollarleaf
  Rhynchosia reticulata (Sw.) DC. -- accepted -- habilla
  Rhynchosia senna Gillies ex Hook. & Arn. -- accepted -- Texas snoutbean, Texas snout-bean
  Rhynchosia senna var. angustifolia (A. Gray) Grear -- not accepted
  Rhynchosia senna var. texana (Torr. & A. Gray) M.C. Johnst. -- accepted -- Texas snoutbean, rosary bean
  Rhynchosia sennaarensis Hochst. ex Schweinf. -- not accepted
  Rhynchosia simplicifolius (Walter) Alph. Wood -- not accepted
  Rhynchosia sublobata (Schumach.) Meikle -- accepted
  Rhynchosia swartzii (Vail) Urb. -- accepted -- Swartz's snoutbean
  Rhynchosia texana Torr. & A. Gray -- not accepted
  Rhynchosia tomentosa (L.) Hook. & Arn. -- accepted -- twining snoutbean
  Rhynchosia tomentosa var. erecta (Walter) Torr. & A. Gray -- not accepted
  Rhynchosia tomentosa var. mollissima (Elliott) Torr. & A. Gray -- accepted -- twining snoutbean
  Rhynchosia tomentosa var. monophylla (Michx.) Torr. & A. Gray -- not accepted
  Rhynchosia tomentosa var. tomentosa (L.) Hook. & Arn. -- accepted -- twining snoutbean
  Rhynchosia tomentosa var. volubilis (Michx.) Torr. & A. Gray -- not accepted
  Rhynchosia torreyi Vail -- not accepted
  Rhynchosia totta (Thunb.) DC. -- accepted -- snoutbean
  Rhynchosia usambarensis Taub. -- accepted
  Rhytidomene lupinellus (Michx.) Rydb. -- not accepted
  Robinia L. -- accepted -- locust
  Robinia albicans Ashe -- not accepted
  Robinia boyntonii Ashe -- not accepted
  Robinia breviloba Rydb. -- not accepted
  Robinia cubensis Kunth -- not accepted
  Robinia elliottii (Chapm.) Ashe -- not accepted
  Robinia fertilis Ashe -- not accepted
  Robinia grandiflora Ashe -- not accepted
  Robinia grandiflora auct. non Ashe nec L. nec C.K. Schneid. -- not accepted
  Robinia halodendron Pall. -- not accepted
  Robinia hartwegii Koehne -- not accepted
  Robinia hartwigii Koehne -- not accepted
  Robinia hispida L. -- accepted -- bristly locust, rose acacia
  Robinia hispida var. fertilis (Ashe) R.T. Clausen -- accepted -- bristly locust
  Robinia hispida var. hispida L. -- accepted -- bristly locust
  Robinia hispida var. kelseyi (J.F. Cowell ex Hutch.) Isely -- accepted -- Kelsey's locust
  Robinia hispida var. nana (Elliott) DC. -- accepted -- bristly locust
  Robinia hispida var. rosea Pursh -- accepted -- bristly locust
  Robinia kelseyi J.F. Cowell ex Hutch. -- not accepted
  Robinia leucantha Rehder -- not accepted
  Robinia luxurians (Dieck) Rydb. -- not accepted
  Robinia margarettae Ashe -- not accepted
  Robinia nana Elliott -- not accepted
  Robinia neomexicana A. Gray -- accepted -- New Mexico locust
  Robinia neomexicana var. luxurians Dieck -- not accepted
  Robinia neomexicana var. neomexicana A. Gray -- accepted -- New Mexico locust
  Robinia neomexicana var. rusbyi (Wooton & Standl.) W.C. Martin & C.R. Hutchins ex Peabody -- accepted -- Rusby's locust, New Mexico locust
  Robinia neomexicana var. subvelutina (Rydb.) Kearney & Peebles -- not accepted
  Robinia pallida Ashe -- not accepted
  Robinia pedunculata Ashe -- not accepted
  Robinia pseudo-acacia L. -- not accepted -- black locust
  Robinia pseudoacacia L. -- accepted -- black locust, false acacia, yellow locust
  Robinia pseudoacacia f. inermis (Mirb.) Rehder -- not accepted
  Robinia pseudoacacia var. pyramidalis Pepin -- not accepted
  Robinia pseudoacacia var. rectissima (L.) Raber -- not accepted
  Robinia rusbyi Wooton & Standl. -- not accepted
  Robinia slavinii Rehder -- not accepted
  Robinia speciosa Ashe -- not accepted
  Robinia viscosa Vent. -- accepted -- clammy locust
  Robinia viscosa var. hartwegii (Koehne) Ashe -- accepted -- Hartweg's locust
  Robinia viscosa var. viscosa Vent. -- accepted -- clammy locust
  Robinia X ambigua Poir. (pro. sp.) -- accepted -- locust
  Robinia X ambigua var. bella-rosea (G. Nicholson) Rehder -- not accepted
  Robinia X coloradensis Dode -- not accepted
  Robinia X dubia Foucault -- not accepted
  Robinia X holdtii Beissn. -- accepted -- Holdt's locust
  Robinia X longiloba Ashe (pro. sp.) -- accepted -- locust
  Robinia X margaretta Ashe (pro. sp.) -- accepted
  Robinia X margarettiae Ashe (pro. sp.) -- not accepted -- Margarett's locust
  Robinia X slavinii Rehder -- not accepted
  Rupertia J. Grimes -- accepted
  Rupertia hallii (Rydb.) J.W. Grimes -- accepted -- Hall's California tea
  Rupertia physodes (Douglas ex Hook.) J.W. Grimes -- accepted -- forest scurfpea
  Rupertia rigida (Parish) J.W. Grimes -- accepted -- Parish's California tea
  Sabinea DC. -- not accepted
  Sabinea florida (Vahl) DC. -- not accepted -- wattapama
  Sabinea punicea Urb. -- not accepted -- caracol illo
  Sagotia triflora (L.) Duchass. & Walp. -- not accepted
  Samanea (Benth.) Merr. -- accepted -- raintree
  Samanea saman (Jacq.) Merr. -- accepted -- raintree
  Sarothamnus scoparius (L.) Wimm. ex W.D.J. Koch -- not accepted
  Schizolobium Vogel -- accepted -- Brazilian firetree
  Schizolobium parahybum (Vell.) S.F. Blake -- not accepted -- Brazilian firetree
  Schleinitzia Warb. -- accepted -- strand tangantangan
  Schleinitzia fosbergii Nevling & Niezgoda -- accepted -- strand tangantangan
  Schrankia Willd. -- not accepted
  Schrankia angustata Torr. & A. Gray -- not accepted
  Schrankia floridana Chapm. -- not accepted
  Schrankia hystricina (Small ex Britton & Rose) Standl. -- not accepted
  Schrankia latidens (Small) K. Schum. -- not accepted
  Schrankia leptocarpa DC. -- not accepted
  Schrankia microphylla (Dryand.) J.F. Macbr. -- not accepted
  Schrankia microphylla var. floridana (Chapm.) Isely -- not accepted
  Schrankia microphylla var. microphylla (Dryand.) J.F. Macbr. -- not accepted -- littleleaf sensitive briar
  Schrankia nuttallii (DC. ex Britton & Rose) Standl. -- not accepted
  Schrankia nuttallii var. hystricina (Small ex Britton & Rose) Isely -- not accepted
  Schrankia nuttallii var. nuttallii (DC. ex Britton & Rose) Standl. -- not accepted -- Nuttall's sensitive briar
  Schrankia occidentalis (Wooton & Standl.) Standl. -- not accepted
  Schrankia portoricensis Urb. -- not accepted -- zarzarilla
  Schrankia roemeriana (Scheele) Blank. -- not accepted
  Schrankia uncinata Willd. -- not accepted
  Sciacassia siamea (Lam.) Britton -- not accepted
  Scorpiurus L. -- accepted -- scorpion's-tail
  Scorpiurus muricatus L. -- accepted -- prickly scorpion's-tail
  Scorpiurus subvillosus L. -- not accepted
  Scorpiurus sulcatus L. -- not accepted
  Scorpiurus vermiculatus L. -- accepted
  Secula Small -- not accepted
  Secula histrix (Poir.) Small -- not accepted
  Secula hystrix (Poir.) Small -- not accepted
  Secula viscidula (Michx.) Small -- not accepted
  Securidaca volubilis L. -- not accepted
  Securigera DC. -- accepted
  Securigera cretica (L.) Lassen -- accepted -- Cretan crownvetch
  Securigera globosa (Lam.) Lassen -- accepted -- white crownvetch
  Securigera orientalis (Mill.) Lassen -- accepted
  Securigera parviflora (Desv.) Lassen -- accepted
  Securigera securidaca (L.) O. Deg. & Dorf. -- accepted -- goat pea
  Securigera varia (L.) Lassen -- accepted -- crownvetch, purple crownvetch
  Senegalia Raf. -- accepted
  Senegalia angustifolia (Lam.) Britton & Rose -- accepted
  Senegalia berlandieri (Benth.) Britton & Rose -- accepted -- guajillo
  Senegalia emoryana (Benth.) Britton & Rose -- not accepted
  Senegalia greggii (A. Gray) Britton & Rose -- accepted -- catclaw acacia
  Senegalia muricata (L.) Britton & Rose -- accepted -- spineless wattle
  Senegalia recurva (Benth.) Seigler & Ebinger -- accepted -- catch and keep
  Senegalia roemerana (Scheele) Britton & Rose -- not accepted
  Senegalia roemeriana (Scheele) Britton & Rose -- accepted -- roundflower catclaw
  Senegalia visco (Lorentz ex Griseb.) Seigler & Ebinger -- accepted
  Senegalia vogeliana (Steud.) Britton & Rose -- accepted -- macata bourse bastard
  Senegalia westiana (DC.) Britton & Rose -- not accepted
  Senegalia wrightii (Benth.) Britton & Rose -- not accepted
  Senna Mill. -- accepted
  Senna aciphylla (Benth.) Randell -- accepted
  Senna alata (L.) Roxb. -- accepted -- emperor's candlesticks
  Senna alexandrina Mill. -- accepted -- Alexandrian senna
  Senna angulata (Vogel) H.S. Irwin & Barneby -- accepted
  Senna angustifolia (Vahl) Batka -- not accepted
  Senna armata (S. Watson) H.S. Irwin & Barneby -- accepted -- desertsenna, desert senna
  Senna artemisioides (Gaudich. ex DC.) Randell -- accepted -- silver senna
  Senna artemisioides ssp. circinnata (Benth.) Randell -- not accepted
  Senna artemisioides ssp. helmsii (Symon) Randell -- not accepted -- blunt-leaf cassia
  Senna artemisioides ssp. petiolaris Randell -- not accepted
  Senna artemisioides ssp. zygophylla (Benth.) Randell -- not accepted
  Senna atomaria (L.) H.S. Irwin & Barneby -- accepted -- flor de San Jose
  Senna bacillaris (L. f.) H.S. Irwin & Barneby -- accepted -- whitebark senna
  Senna bauhinioides (A. Gray) H.S. Irwin & Barneby -- accepted -- twinleaf senna
  Senna bicapsularis (L.) Roxb. -- accepted -- Christmasbush
  Senna candolleana (Vogel) H.S. Irwin & Barneby -- accepted
  Senna coronilloides (Benth.) Randell -- accepted
  Senna corymbosa (Lam.) H.S. Irwin & Barneby -- accepted -- Argentine senna, Argentine wild sensitive plant
  Senna covesii (A. Gray) H.S. Irwin & Barneby -- accepted -- Coues' cassia, Coves' cassia, desert senna
  Senna didymobotrya (Fresen.) H.S. Irwin & Barneby -- accepted -- African senna
  Senna durangensis (Rose) H.S. Irwin & Barneby -- accepted -- Durango senna, Durango wild sensitive plant
  Senna durangensis var. durangensis (Rose) H.S. Irwin & Barneby -- accepted -- Durango senna
  Senna durangensis var. iselyi (H.S. Irwin & Barneby) H.S. Irwin & Barneby -- accepted -- Isely's senna, Isely's wild sensitive plant
  Senna fructicosa (Mill.) H.S. Irwin & Barneby -- accepted -- woody wild sensitive plant
  Senna gaudichaudii (Hook. & Arn.) H.S. Irwin & Barneby -- accepted -- Gaudichaud's senna
  Senna glutinosa (DC.) Randell -- accepted
  Senna glutinosa ssp. chatelainiana (Gaudich.) Randell -- accepted
  Senna hebecarpa (Fernald) H.S. Irwin & Barneby -- accepted -- American senna
  Senna hebecarpa var. longipila (E.L. Braun) C.F. Reed -- not accepted
  Senna hirsuta (L.) H.S. Irwin & Barneby -- accepted -- woolly senna, woolly wild sensitive-plant, woolly wild sensitive plant
  Senna hirsuta var. glaberrima (M.E. Jones) H.S. Irwin & Barneby -- accepted -- woolly senna
  Senna hirsuta var. hirsuta (L.) H.S. Irwin & Barneby -- accepted -- woolly senna
  Senna hirsuta var. leptocarpa (Benth.) H.S. Irwin & Barneby -- accepted
  Senna italica Mill. -- accepted -- Port Royal senna
  Senna ligustrina (L.) H.S. Irwin & Barneby -- accepted -- privet senna
  Senna lindheimeriana (Scheele) H.S. Irwin & Barneby -- accepted -- velvet leaf senna, showy senna, velvet leaf wild sensitive plant
  Senna macranthera (DC. ex Collad.) H.S. Irwin & Barneby -- accepted
  Senna macranthera var. micans (Nees) H.S. Irwin & Barneby -- accepted
  Senna marilandica (L.) Link -- accepted -- Maryland senna, wild senna
  Senna mexicana (Jacq.) H.S. Irwin & Barneby -- accepted -- Mexican senna
  Senna mexicana var. chapmanii (Isely) H.S. Irwin & Barneby -- accepted -- Chapman's senna
  Senna monozyx (H.S. Irwin & Barneby) H.S. Irwin & Barneby -- accepted -- Andean senna, Andean wild sensitive plant
  Senna multiglandulosa (Jacq.) H.S. Irwin & Barneby -- accepted -- glandular senna
  Senna multijuga (Rich.) H.S. Irwin & Barneby -- accepted -- false sicklepod
  Senna nitida (Rich.) H.S. Irwin & Barneby -- accepted -- hediondilla
  Senna notabilis (F. Muell.) Randell -- accepted
  Senna obovata (Collad.) Link -- not accepted
  Senna obtusifolia (L.) H.S. Irwin & Barneby -- accepted -- Java-bean, sicklepod
  Senna occidentalis (L.) Link -- accepted -- septicweed, coffee senna
  Senna odorata (R. Morris) Randell -- accepted
  Senna orcuttii (Britton & Rose) H.S. Irwin & Barneby -- accepted -- Orcutt's senna, Orcutt's wild sensitive plant
  Senna pendula (Humb. & Bonpl. ex Willd.) H.S. Irwin & Barneby -- accepted -- valamuerto
  Senna pendula var. advena (Vogel) H.S. Irwin & Barneby -- accepted -- valamuerto
  Senna pendula var. glabrata (Vogel) H.S. Irwin & Barneby -- accepted -- valamuerto, Christmas cassia, Christmas senna, climbing cassia
  Senna pendula var. pendula (Humb. & Bonpl. ex Willd.) H.S. Irwin & Barneby -- accepted -- valamuerto
  Senna pendula var. stahlii (Urb.) H.S. Irwin & Barneby -- accepted -- Stahl's valamuerto
  Senna petersiana (Bolle) Lock -- accepted
  Senna pilosior (B.L. Rob. ex J.F. Macbr.) H.S. Irwin & Barneby -- accepted -- Trans-Pecos senna, Trans-Pecos wild sensitive plan
  Senna pleurocarpa (F. Muell.) Randell -- accepted
  Senna pleurocarpa var. pleurocarpa (F. Muell.) Randell -- accepted
  Senna polyphylla (Jacq.) H.S. Irwin & Barneby -- accepted -- retama prieta
  Senna pumilio (A. Gray) H.S. Irwin & Barneby -- accepted -- dwarf senna
  Senna racemosa (Mill.) H.S. Irwin & Barneby -- accepted -- limestone senna
  Senna ripleyana (H.S. Irwin & Barneby) H.S. Irwin & Barneby -- accepted -- Ripley's senna, Ripley's wild sensitive plant
  Senna roemeriana (Scheele) H.S. Irwin & Barneby -- accepted -- twoleaf senna, Roemer senna, twoleaf wild sensitive plant
  Senna rostrata (Mart.) H.S. Irwin & Barneby -- accepted -- New Mexico wild sensitive plant
  Senna septemtrionalis (Viv.) H.S. Irwin & Barneby -- accepted -- arsenic bush, Dooleyweed, laburnum
  Senna septentrionalis (Viv.) H.S. Irwin & Barneby -- not accepted
  Senna siamea (Lam.) H.S. Irwin & Barneby -- accepted -- Siamese cassia
  Senna singueana (Delile) Lock -- accepted -- wild cassia
  Senna sophera (L.) Roxb. -- accepted -- algarrobilla
  Senna spectabilis (DC.) H.S. Irwin & Barneby -- accepted -- casia amarilla
  Senna spectabilis var. excelsa (Schrad.) H.S. Irwin & Barneby -- not accepted
  Senna spectabilis var. spectabilis (DC.) H.S. Irwin & Barneby -- not accepted -- casia amarilla
  Senna splendida (Vogel) H.S. Irwin & Barneby -- accepted
  Senna stipulacea (Aiton) H.S. Irwin & Barneby -- accepted
  Senna sulfurea (DC. ex Collad.) H.S. Irwin & Barneby -- not accepted -- smooth senna
  Senna surattensis (Burm. f.) H.S. Irwin & Barneby -- accepted -- glossy shower
  Senna surattensis ssp. sulfurea (DC. ex Collad.) Randell -- accepted -- smooth senna
  Senna surattensis ssp. surattensis (Burm. f.) H.S. Irwin & Barneby -- accepted -- glossy shower
  Senna tora (L.) Roxb. -- accepted -- sickle senna
  Senna uniflora (Mill.) H.S. Irwin & Barneby -- accepted -- oneleaf senna
  Senna wislizeni (A. Gray) H.S. Irwin & Barneby -- accepted -- Wislizenus' senna, Wislizenus' wild sensitive plant
  Senna X floribunda (Cav.) H.S. Irwin & Barneby -- accepted -- floribunda senna
  Serianthes Benth. -- accepted
  Serianthes nelsonii Merr. -- accepted -- Hayun lagu
  Sesban bispinosus (Jacq.) Rydb. -- not accepted
  Sesban emerus (Aubl.) Britton & P. Wilson -- not accepted
  Sesban exaltatus (Raf.) Rydb. -- not accepted
  Sesbania Scop. -- accepted -- riverhemp
  Sesbania aculeata Pers. -- not accepted
  Sesbania aegyptiaca (Poir.) Pers. -- not accepted
  Sesbania arborea O. Deg. & I. Deg. -- not accepted
  Sesbania bispinosa (Jacq.) W. Wight -- accepted -- dunchi fiber
  Sesbania cannabina (Retz.) Pers. -- accepted
  Sesbania drummondii (Rydb.) Cory -- accepted -- poisonbean
  Sesbania emerus (Aubl.) Urb. -- not accepted -- danglepod, coffeebean
  Sesbania exaltata (Raf.) Rydb. ex A.W. Hill -- not accepted -- bigpod sesbania, hemp sesbania
  Sesbania exasperata Kunth -- accepted
  Sesbania grandiflora (L.) Pers. -- accepted -- vegetable hummingbird
  Sesbania hawaiiensis O. Deg. & I. Deg. -- not accepted
  Sesbania herbacea (Mill.) McVaugh -- accepted -- bigpod sesbania, Colorado riverhemp, hemp sesbania, peatree
  Sesbania hobdyi O. Deg. & I. Deg. -- not accepted
  Sesbania javanica Miq. -- accepted
  Sesbania macrocarpa Muhl. ex Raf. -- not accepted
  Sesbania marginata Benth. -- not accepted
  Sesbania paulensis Barb. Rodr. -- accepted
  Sesbania platycarpa Pers. -- not accepted
  Sesbania punicea (Cav.) Benth. -- accepted -- rattlebox
  Sesbania roxburghii Merr. -- not accepted
  Sesbania sericea (Willd.) Link -- accepted -- papagayo
  Sesbania sesban (L.) Merr. -- accepted -- Egyptian riverhemp
  Sesbania speciosa Taub. ex Engl. -- accepted
  Sesbania tetraptera Hochst. ex Baker -- accepted
  Sesbania tomentosa Hook. & Arn. -- accepted -- Oahu riverhemp, `ohai
  Sesbania tomentosa var. molokaiensis O. Deg. & Sherff -- not accepted
  Sesbania tripetii (Poit.) hort. ex F.T. Hubb. -- not accepted
  Sesbania vesicaria (Jacq.) Elliott -- accepted -- bagpod
  Sesbania virgata (Cav.) Poir. -- accepted -- wand riverhemp
  Soja hispida Moench -- not accepted
  Soja max (L.) Piper -- not accepted
  Sophora L. -- accepted -- necklacepod
  Sophora affinis Torr. & A. Gray -- not accepted -- Eve's necklacepod, Texas sophora
  Sophora arizonica S. Watson -- not accepted -- Arizona necklacepod, Arizona sophora, mescalbean
  Sophora arizonica ssp. formosa (Kearney & Peebles) Yakovlev -- not accepted
  Sophora arizonica var. formosa (Kearney & Peebles) P.C. Tsoong -- not accepted
  Sophora chrysophylla (Salisb.) Seem. -- accepted -- mamani
  Sophora chrysophylla ssp. circularis Chock -- not accepted
  Sophora chrysophylla ssp. glabrata (A. Gray) Chock -- not accepted
  Sophora chrysophylla ssp. unifoliata (Rock) Chock -- not accepted
  Sophora chrysophylla var. elliptica Chock -- not accepted
  Sophora chrysophylla var. glabrata (A. Gray) Rock -- not accepted
  Sophora chrysophylla var. grisea (O. Deg. & Sherff) Chock -- not accepted
  Sophora chrysophylla var. kanaioensis Chock -- not accepted
  Sophora chrysophylla var. kauensis Chock -- not accepted
  Sophora chrysophylla var. lanaiensis Chock -- not accepted
  Sophora chrysophylla var. makuaensis Chock -- not accepted
  Sophora chrysophylla var. ovata Chock -- not accepted
  Sophora chrysophylla var. unifoliata Rock -- not accepted
  Sophora davidii (Franch.) Skeels -- accepted
  Sophora flavescens Aiton -- accepted -- shrubby sophora
  Sophora formosa Kearney & Peebles -- not accepted
  Sophora gypsophila B.L. Turner & A.M. Powell -- not accepted -- Guadalupe Mountain necklacepod
  Sophora gypsophila var. guadalupensis B.L. Turner & A.M. Powell -- not accepted -- Guadalupe Mountain necklacepod, Guadalupe Mountains mescal bean
  Sophora gypsophila var. gypsophila B.L. Turner & A.M. Powell -- not accepted -- Guadalupe Mountain necklacepod
  Sophora japonica L. -- not accepted -- Japanese pagoda tree
  Sophora kentukea Dum. Cours. -- not accepted
  Sophora leachiana M. Peck -- accepted -- western necklacepod
  Sophora littoralis Schrad. -- not accepted
  Sophora microphylla Aiton -- accepted -- kowhai
  Sophora nuttalliana B.L. Turner -- accepted -- silky sophora
  Sophora secundiflora (Ortega) Lag. ex DC. -- not accepted -- mescal bean, mescalbean
  Sophora sericea Nutt. -- not accepted
  Sophora stenophylla A. Gray -- accepted -- fringeleaf necklacepod, fringe-leaf necklacepod
  Sophora tomentosa L. -- accepted -- yellow necklacepod, yellow sophora
  Sophora tomentosa ssp. bahamensis Yakovlev -- not accepted
  Sophora tomentosa ssp. littoralis (Schrad.) Yakovlev -- not accepted
  Sophora tomentosa ssp. occidentalis (L.) Brummitt -- not accepted
  Sophora tomentosa var. littoralis (Schrad.) Benth. -- accepted -- yellow necklacepod
  Sophora tomentosa var. occidentalis (L.) Isely -- accepted -- yellow necklacepod
  Sophora tomentosa var. truncata Torr. & A. Gray -- accepted -- yellow necklacepod
  Sophora velutina Lindl. -- accepted
  Sophora velutina ssp. zimbabweensis J.B. Gillett & Brummitt -- accepted
  Sophora villosa Walter -- not accepted
  Spartium L. -- accepted -- broom
  Spartium junceum L. -- accepted -- Spanish broom, weaver's broom
  Sphaerophysa DC. -- accepted
  Sphaerophysa salsula (Pall.) DC. -- accepted -- alkali swainsonpea, red bladder-vetch, Swainsonpea, Austrian peaweed
  Sphenostylis E. Mey. -- accepted
  Sphenostylis stenocarpa (Hochst. ex A. Rich.) Harms -- accepted -- African yam bean
  Sphinctospermum Rose -- accepted
  Sphinctospermum constrictum (S. Watson) Rose -- accepted -- hourglass peaseed
  Spiesia lagopus (Nutt.) Kuntze -- not accepted
  Spiesia oreophila (A. Gray) Kuntze -- not accepted
  Stahlia Bello -- accepted
  Stahlia maritima Bello -- not accepted
  Stahlia monosperma (Tul.) Urb. -- accepted -- Cóbana negra
  Stenolobium caeruleum Benth. -- not accepted
  Stizolobium aterrimum Piper & Tracy -- not accepted
  Stizolobium deeringianum Bort -- not accepted
  Stizolobium pruriens (L.) Medik. -- not accepted
  Stizolobium pruritum (Wight) Piper -- not accepted
  Stizolobium velutinum (Hassk.) Piper & Tracy -- not accepted
  Strombocarpa odorata (Torr. & Frém.) A. Gray -- not accepted
  Strongylodon Vogel -- accepted
  Strongylodon lucidus (G. Forst.) Seem. -- accepted
  Strongylodon ruber Vogel -- accepted -- Hawai'i jadevine
  Strophostyles Elliott -- accepted -- fuzzybean, fuzzy bean, wildbean
  Strophostyles helvola (L.) Elliott -- accepted -- amberique-bean, annual woolly-bean, trailing fuzzy-bean, trailing wild bean
  Strophostyles helvula (L.) Elliott -- not accepted -- trailing fuzzybean, trailing wild-bean, Trailing wildbean
  Strophostyles helvula var. missouriensis (S. Watson) Britton -- not accepted
  Strophostyles leiosperma (Torr. & A. Gray) Piper -- accepted -- slickseed fuzzybean, slick-seed fuzzy-bean, smoothseed wildbean
  Strophostyles pauciflora (Benth.) S. Watson -- not accepted
  Strophostyles umbellata (Muhl. ex Willd.) Britton -- accepted -- pink fuzzybean, perennial wildbean
  Strophostyles umbellata var. paludigena Fernald -- not accepted
  Stryphnodendron Mart. -- accepted
  Stryphnodendron adstringens (Mart.) Coville -- accepted
  Stryphnodendron barbadetimam Mart. -- not accepted
  Stylosanthes Sw. -- accepted -- pencilflower
  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. -- accepted -- sidebeak pencilflower, endbeak pencilflower
  Stylosanthes biflora var. hispidissima (Michx.) Pollard & C.R. Ball -- not accepted
  Stylosanthes calcicola Small -- accepted -- Everglade Key pencilflower
  Stylosanthes capitata Vogel -- accepted
  Stylosanthes erecta P. Beauv. -- accepted -- Nigerian stylo
  Stylosanthes floridana S.F. Blake -- not accepted
  Stylosanthes fruticosa (Retz.) Alston -- accepted -- shrubby pencilflower
  Stylosanthes gracilis Kunth -- not accepted
  Stylosanthes guianensis (Aubl.) Sw. -- accepted
  Stylosanthes guianensis var. guianensis (Aubl.) Sw. -- accepted
  Stylosanthes guianensis var. subviscosa Benth. -- not accepted
  Stylosanthes guineensis Schumach. -- not accepted
  Stylosanthes hamata (L.) Taub. -- accepted -- cheesytoes
  Stylosanthes humilis Kunth -- accepted -- Townsville stylo
  Stylosanthes juncea Micheli -- not accepted
  Stylosanthes montevidensis Vogel -- accepted
  Stylosanthes mucronata Willd. -- not accepted
  Stylosanthes riparia Kearney -- not accepted
  Stylosanthes riparia var. setifera Fernald -- not accepted
  Stylosanthes scabra Vogel -- accepted -- pencilflower
  Stylosanthes subsericea S.F. Blake -- accepted -- pencilflower
  Stylosanthes sundaica Taub. -- accepted
  Stylosanthes viscosa (L.) Sw. -- accepted -- poorman's friend, viscid pencil-flower
  Styphnolobium Schott -- accepted
  Styphnolobium affine (Torr. & A. Gray) Walp. -- accepted -- Eve's necklacepod
  Styphnolobium japonicum (L.) Schott -- accepted -- Japanese pagoda tree
  Sutherlandia R. Br. -- not accepted
  Sutherlandia frutescens (L.) R. Br. -- not accepted -- cancer bush
  Sutherlandia microphylla Burch. ex DC. -- not accepted
  Swainsona Salisb. -- accepted
  Swainsona salsula (Pall.) Taub. -- not accepted
  Swainsonia Salisb. -- not accepted
  Tamarindus L. -- accepted -- tamarind
  Tamarindus indica L. -- accepted -- tamarind
  Taralea Aubl. -- accepted
  Taralea oppositifolia Aubl. -- accepted -- opposite taralea
  Teline canariensis (L.) Webb & Berthel. -- not accepted
  Teline linifolia (L.) Webb & Berthel. -- not accepted
  Teline monspessulana (L.) K. Koch -- not accepted
  Tephrosia Pers. -- accepted -- hoarypea
  Tephrosia affinis S. Watson -- not accepted
  Tephrosia ambigua (M.A. Curtis) Chapm. -- not accepted
  Tephrosia ambigua var. gracillima B.L. Rob. -- not accepted
  Tephrosia angustifolia Featherm. -- not accepted
  Tephrosia angustissima Shuttlew. ex Chapm. -- accepted -- narrowleaf hoarypea
  Tephrosia angustissima var. angustissima Shuttlew. ex Chapm. -- not accepted -- narrowleaf hoarypea
  Tephrosia angustissima var. corallicola (Small) Isely -- not accepted -- narrowleaf hoarypea
  Tephrosia angustissima var. curtissii (Small ex Rydb.) Isely -- not accepted -- Curtiss' hoarypea
  Tephrosia candida DC. -- accepted -- white hoarypea
  Tephrosia caribaea (Jacq.) DC. -- not accepted
  Tephrosia carpenteri (Rydb.) Killip -- not accepted
  Tephrosia cathartica (Sessé & Moc.) Urb. -- not accepted
  Tephrosia chrysophylla Pursh -- accepted -- scurf hoarypea
  Tephrosia cinerea (L.) Pers. -- accepted -- ashen hoarypea
  Tephrosia constricta S. Watson -- not accepted
  Tephrosia corallicola (Small) Léon -- accepted -- narrowleaf hoarypea
  Tephrosia curtissii (Small ex Rydb.) Shinners -- accepted -- Curtiss' hoarypea
  Tephrosia elegans Nutt. -- not accepted
  Tephrosia flexuosa (Vail) Chapm. ex Torr. & A. Gray -- not accepted
  Tephrosia florida (F. Dietr.) C.E. Wood -- accepted -- Florida hoarypea
  Tephrosia florida var. gracillima (B.L. Rob.) Shinners -- not accepted
  Tephrosia hispidula (Michx.) Pers. -- accepted -- sprawling hoarypea
  Tephrosia incana (Roxb.) Graham ex Wight & Arn. -- not accepted
  Tephrosia intermedia auct. non Graham -- not accepted
  Tephrosia latidens (Small) Standl. -- not accepted
  Tephrosia leiocarpa A. Gray -- accepted -- smoothpod hoarypea, smooth pod tephrosia
  Tephrosia lindheimeri A. Gray -- accepted -- Lindheimer's hoarypea, goat's rue
  Tephrosia mohrii (Rydb.) R.K. Godfrey -- accepted -- pineland hoary-pea
  Tephrosia multiflora Featherm. -- not accepted
  Tephrosia nitens Benth. ex Seem. -- accepted
  Tephrosia noctiflora Bojer ex Baker -- accepted -- South African hoarypea
  Tephrosia onobrychoides Nutt. -- accepted -- multibloom hoarypea, multibloom tephrosia
  Tephrosia oxygona Welw. ex Baker -- accepted
  Tephrosia piscatoria (Aiton) Pers. -- not accepted
  Tephrosia potosina Brandegee -- accepted -- Edwards Plateau hoarypea
  Tephrosia purpurea auct. non (L.) Pers. -- not accepted -- fishpoison
  Tephrosia purpurea (L.) Pers. -- accepted -- fishpoison
  Tephrosia richardsiae J.B. Gillett -- accepted
  Tephrosia rugelii Shuttlew. ex B.L. Rob. -- accepted -- Rugel's hoarypea
  Tephrosia seminole Shinners -- not accepted
  Tephrosia senna Kunth -- accepted -- anil racimillo
  Tephrosia sessiliflora (Poir.) Hassl. -- accepted -- sessileflower hoarypea
  Tephrosia sinapou (Buc'hoz) A. Chev. -- accepted -- hoarypea
  Tephrosia spicata (Walter) Torr. & A. Gray -- accepted -- spiked hoarypea
  Tephrosia spicata var. semitonsa Fernald -- not accepted
  Tephrosia subtriflora Hochst. ex Baker -- accepted
  Tephrosia tenella A. Gray -- accepted -- red hoarypea, red hoary-pea
  Tephrosia texana (Rydb.) Cory -- not accepted
  Tephrosia thurberi (Rydb.) C.E. Wood -- accepted -- Thurber's hoarypea, Thurber's hoary-pea
  Tephrosia toxicaria (Sw.) Pers. -- not accepted
  Tephrosia vestita Vogel -- accepted
  Tephrosia vicioides Schltdl. -- accepted -- red hoarypea
  Tephrosia villosa (L.) Pers. -- accepted
  Tephrosia villosa ssp. villosa (L.) Pers. -- accepted
  Tephrosia virginiana (L.) Pers. -- accepted -- Virginia tephrosia
  Tephrosia virginiana var. glabra Nutt. ex Torr. & A. Gray -- not accepted
  Tephrosia virginiana var. holosericea (Nutt.) Torr. & A. Gray -- not accepted
  Tephrosia viridis M.E. Jones -- not accepted
  Tephrosia vogelii Hook. f. -- accepted -- Vogel's tephrosia
  Tephrosia X floridana (Vail) Isely -- accepted -- Florida hoarypea
  Teramnus P. Browne -- accepted
  Teramnus labialis (L. f.) Spreng. -- accepted -- blue wiss
  Teramnus repens (Taub.) Baker f. -- accepted
  Teramnus uncinatus (L.) Sw. -- accepted -- cresta de gallo blanco
  Teramnus volubilis Sw. -- accepted
  Tetragonolobus Scop. -- not accepted
  Tetragonolobus palaestinus Boiss. & Blanche -- not accepted
  Tetragonolobus purpureus Moench -- not accepted -- winged pea
  Tetragonolobus requienii (Mauri ex Sanguin.) Sanguin. -- not accepted
  Tetragonolobus siliquosus Roth -- not accepted
  Thermopsis R. Br. -- accepted -- goldenbanner, goldenpea, golden banner
  Thermopsis arenosa A. Nelson -- not accepted
  Thermopsis argentata Greene -- not accepted
  Thermopsis californica S. Watson -- accepted -- California goldenbanner
  Thermopsis californica var. argentata (Greene) C.J. Chen & B.L. Turner -- accepted -- California goldenbanner
  Thermopsis californica var. californica S. Watson -- accepted -- California goldenbanner
  Thermopsis californica var. semota (Jeps.) C.J. Chen & B.L. Turner -- accepted -- California goldenbanner
  Thermopsis caroliniana M.A. Curtis -- not accepted
  Thermopsis divaricarpa A. Nelson -- accepted -- spreadfruit goldenbanner, pine goldenpea
  Thermopsis fraxinifolia (Nutt. ex Torr. & A. Gray) M.A. Curtis -- accepted -- ashleaf goldenbanner
  Thermopsis gracilis Howell -- accepted -- slender goldenbanner
  Thermopsis gracilis var. argentata (Greene) Jeps. -- not accepted
  Thermopsis gracilis var. gracilis Howell -- not accepted -- slender goldenbanner
  Thermopsis gracilis var. ovata (B.L. Rob. ex Piper) M. Mendenhall -- not accepted -- slender goldenbanner, bigleaf thermopsis
  Thermopsis gracilis var. venosa (Eastw.) Jeps. -- not accepted
  Thermopsis hugeri (Small) Small -- not accepted
  Thermopsis macrophylla Hook. & Arn. -- accepted -- Santa Inez goldenbanner
  Thermopsis macrophylla ssp. semota (Jeps.) R.M. Beauch. -- not accepted
  Thermopsis macrophylla var. agnina J.T. Howell -- not accepted -- Santa Barbara false-lupine
  Thermopsis macrophylla var. argentata (Greene) Jeps. -- not accepted
  Thermopsis macrophylla var. hitchcockii Isely -- not accepted
  Thermopsis macrophylla var. macrophylla Hook. & Arn. -- not accepted -- golden pea, false-lupine, California goldenbanner
  Thermopsis macrophylla var. semota Jeps. -- not accepted -- velvety false-lupine
  Thermopsis macrophylla var. velutina (Greene) Larisey -- not accepted
  Thermopsis macrophylla var. venosa (Eastw.) Isely -- not accepted
  Thermopsis mollis (Michx.) M.A. Curtis ex A. Gray -- accepted -- Allegheny Mountain goldenbanner
  Thermopsis mollis var. fraxinifolia (Nutt. ex M.A. Curtis) Isely -- not accepted
  Thermopsis mollis var. mollis (Michx.) M.A. Curtis ex A. Gray -- not accepted -- Allegheny Mountain goldenbanner
  Thermopsis montana Nutt. -- accepted -- mountain goldenbanner
  Thermopsis montana var. divaricarpa (A. Nelson) Dorn -- not accepted
  Thermopsis montana var. hitchcockii (Isely) M. Mendenhall -- not accepted -- mountain goldenbanner
  Thermopsis montana var. montana Nutt. -- accepted -- mountain goldenbanner, goldenpea
  Thermopsis montana var. ovata (B.L. Rob. ex Piper) H. St. John -- accepted -- slender goldenbanner
  Thermopsis montana var. venosa (Eastw.) Jeps. -- not accepted
  Thermopsis ovata (B.L. Rob. ex Piper) Rydb. -- not accepted
  Thermopsis pinetorum Greene -- not accepted
  Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson -- accepted -- prairie thermopsis, goldenpea
  Thermopsis rhombifolia var. annulocarpa (A. Nelson) L.O. Williams -- not accepted
  Thermopsis rhombifolia var. arenosa (A. Nelson) Larisey -- not accepted
  Thermopsis rhombifolia var. divaricarpa (A. Nelson) Isely -- not accepted
  Thermopsis rhombifolia var. montana (Nutt.) Isely -- not accepted -- mountain thermopsis
  Thermopsis rhombifolia var. ovata (B.L. Rob. ex Piper) Isely -- not accepted
  Thermopsis rhombifolia var. rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson -- not accepted -- prairie goldenbanner
  Thermopsis robusta Howell -- accepted -- showy goldenbanner
  Thermopsis subglaber L.F. Hend. -- not accepted
  Thermopsis subglabra L.F. Hend. -- not accepted
  Thermopsis villosa (Walter) Fernald & B.G. Schub. -- accepted -- Aaron's rod
  Ticanto Adans. -- accepted -- gray nicker
  Ticanto nuga (L.) Medik. -- accepted -- gray nicker
  Tipuana (Benth.) Benth. -- accepted
  Tipuana tipu (Benth.) Kuntze -- accepted -- tipa, tipa blanca, tiputree
  Tium drummondii (Douglas ex Hook.) Rydb. -- not accepted
  Tium michauxii (Kuntze) Rydb. -- not accepted
  Trachylobium verrucosum (Gaertn.) Oliv. -- not accepted
  Trifolium L. -- accepted -- clover, trčfles
  Trifolium affine C. Presl -- accepted
  Trifolium africanum Ser. -- accepted -- African clover
  Trifolium agrarium L. -- not accepted
  Trifolium aitonii Rydb. -- not accepted
  Trifolium albopurpureum Torr. & A. Gray -- accepted -- rancheria clover
  Trifolium albopurpureum var. dichotomum (Hook. & Arn.) Isely -- not accepted
  Trifolium albopurpureum var. neolagopus (Lojac.) McDermott -- not accepted
  Trifolium albopurpureum var. olivaceum (Greene) Isely -- not accepted
  Trifolium alexandrinum L. -- accepted -- Egyptian clover
  Trifolium alpestre L. -- accepted -- owl-head clover, purple-globe clover
  Trifolium alpinum L. -- accepted -- alpine clover
  Trifolium amabile Kunth -- accepted -- Aztec clover
  Trifolium ambiguum M. Bieb. -- accepted -- Kura clover
  Trifolium amoenum Greene -- accepted -- showy Indian clover
  Trifolium amphianthum Torr. & A. Gray -- not accepted
  Trifolium amplectens Torr. & A. Gray -- not accepted
  Trifolium amplectens var. hydrophilum (Greene) Jeps. -- not accepted
  Trifolium amplectens var. truncatum (Greene) Jeps. -- not accepted
  Trifolium andersonii A. Gray -- accepted -- fiveleaf clover
  Trifolium andersonii ssp. andersonii A. Gray -- accepted -- fiveleaf clover, Anderson's clover
  Trifolium andersonii ssp. beatleyae J.M. Gillett -- accepted -- Beatley's clover, Beatley's five-leaf clover
  Trifolium andersonii ssp. monoense (Greene) J.M. Gillett -- accepted -- Mono clover
  Trifolium andersonii var. beatleyae (J.M. Gillett) Isely -- not accepted
  Trifolium andersonii var. friscanum S.L. Welsh -- not accepted
  Trifolium andersonii var. monoense (Greene) Isely -- not accepted
  Trifolium andinum Nutt. -- accepted -- Intermountain clover, Great Divide clover
  Trifolium andinum var. andinum Nutt. -- accepted -- Intermountain clover
  Trifolium andinum var. podocephalum Barneby -- accepted -- Intermountain clover, Currant Summit clover
  Trifolium anemophilum Greene -- not accepted
  Trifolium angustifolium L. -- accepted -- narrowleaf crimson clover
  Trifolium apertum Bobrov -- accepted -- open clover
  Trifolium appendiculatum Lojac. -- not accepted
  Trifolium arcuatum Piper -- not accepted
  Trifolium argutum Banks & Sol. -- accepted -- sharp-tooth clover
  Trifolium arizonicum Greene -- not accepted
  Trifolium armenium Willd. -- not accepted
  Trifolium arvense L. -- accepted -- rabbitfoot clover, hare's foot clover, oldfield clover, stone clover, hairy clover, rabbit-foot clover
  Trifolium arvense var. perpusillum DC. -- not accepted
  Trifolium atrorubens (Greene) House -- not accepted
  Trifolium attenuatum Greene -- accepted -- Rocky Mountain clover
  Trifolium aureum Pollich -- accepted -- golden clover
  Trifolium baccarinii Chiov. -- accepted
  Trifolium badium Schreb. -- accepted
  Trifolium balansae Boiss. -- not accepted
  Trifolium barbigerum Torr. -- accepted -- bearded clover
  Trifolium barbigerum var. andrewsii A. Gray -- accepted -- Andrews' clover
  Trifolium barbigerum var. barbigerum Torr. -- accepted -- bearded clover
  Trifolium barnebyi (Isely) Dorn & Lichvar -- accepted -- Barneby's clover
  Trifolium beckwithii W.H. Brewer ex S. Watson -- accepted -- Beckwith's clover
  Trifolium bejariense Moric. -- accepted -- Bejar clover
  Trifolium berytheum Boiss. & Blanche -- accepted -- Beirut clover
  Trifolium bicephalum Elmer -- not accepted
  Trifolium bifidum A. Gray -- accepted -- notchleaf clover
  Trifolium bifidum var. decipiens Greene -- not accepted
  Trifolium biflorum L. -- not accepted
  Trifolium billardierei Spreng. -- accepted -- Labillardiere's clover
  Trifolium bocconei Savi -- accepted -- Boccone's clover
  Trifolium boissieri Guss. ex Soy.-Will. & Godr. -- accepted -- Boissier's clover
  Trifolium bolanderi A. Gray -- accepted -- parasol clover
  Trifolium brachycalycinum (Katzn. & Morley) Katzn. -- not accepted
  Trifolium bracteolatum Rydb. -- not accepted
  Trifolium brandegeei S. Watson -- accepted -- Brandegee's clover
  Trifolium breweri S. Watson -- accepted -- forest clover
  Trifolium buckwestiorum Isely -- accepted -- Santa Cruz clover
  Trifolium burchellianum Ser. -- accepted -- Burchell's clover
  Trifolium burchellianum var. johnstonii (Oliv.) J.B. Gillett -- accepted
  Trifolium calcaricum J.L. Collins & Wieboldt -- accepted -- running glade clover
  Trifolium campestre Schreb. -- accepted -- field clover, large hop clover, lesser hop clover, big hop clover, low hop clover
  Trifolium campestre var. minus (W.D.J. Koch) Kozuharov -- not accepted
  Trifolium canescens Willd. -- accepted -- graying clover
  Trifolium carolinianum Michx. -- accepted -- Carolina clover
  Trifolium catalinae S. Watson -- not accepted
  Trifolium caurinum Piper -- not accepted
  Trifolium cernuum Brot. -- accepted -- nodding clover, drooping clover
  Trifolium cheranganiense J.B. Gillett -- accepted -- Cherangani clover
  Trifolium cherleri L. -- accepted
  Trifolium chilense Hook. & Arn. -- accepted -- Chilean clover
  Trifolium ciliolatum Benth. -- accepted -- foothill clover
  Trifolium clypeatum L. -- accepted -- shield clover
  Trifolium columbianum var. olivaceum (Greene) Jeps. -- not accepted
  Trifolium columbinum Greene -- not accepted
  Trifolium columbinum var. argillorum Jeps. -- not accepted
  Trifolium compactum Post -- not accepted
  Trifolium covillei House -- not accepted
  Trifolium cryptopodium Steud. ex A. Rich. -- accepted
  Trifolium curvisepalum Tackh. -- not accepted
  Trifolium cyathiferum Lindl. -- accepted -- cup clover
  Trifolium dalmaticum Vis. -- accepted -- Dalmatian clover
  Trifolium dasyphyllum Torr. & A. Gray -- accepted -- alpine clover, Uinta clover, whiproot clover
  Trifolium dasyphyllum ssp. anemophilum (Greene) J.M. Gillett -- accepted -- alpine clover
  Trifolium dasyphyllum ssp. dasyphyllum Torr. & A. Gray -- accepted -- alpine clover
  Trifolium dasyphyllum ssp. uintense (Rydb.) J.M. Gillett -- accepted -- Uinta clover
  Trifolium dasyphyllum var. anemophilum (Greene) J.S. Martin ex Isely -- not accepted
  Trifolium dasyphyllum var. stenolobum (Rydb.) McDermott -- not accepted
  Trifolium dasyphyllum var. uintense (Rydb.) J.S. Martin ex Isely -- not accepted
  Trifolium dasyphyllum var. uintense (Rydb.) S.L. Welsh -- not accepted
  Trifolium dasyurum C. Presl -- accepted
  Trifolium dedeckerae J.M. Gillett -- accepted -- Dedecker's clover, Dedecker clover
  Trifolium depauperatum Desv. -- accepted -- cowbag clover
  Trifolium depauperatum var. amplectens (Torr. & A. Gray) S. Watson -- accepted -- balloon sack clover
  Trifolium depauperatum var. depauperatum Desv. -- accepted -- cowbag clover
  Trifolium depauperatum var. diversifolium (Nutt.) McDermott -- accepted -- balloon sack clover
  Trifolium depauperatum var. hydrophilum (Greene) J.S. Martin ex Isely -- not accepted
  Trifolium depauperatum var. laciniatum (Greene) Jeps. -- not accepted
  Trifolium depauperatum var. stenophyllum (Nutt.) McDermott -- accepted -- balloon sack clover
  Trifolium depauperatum var. truncatum (Greene) McDermott ex Isely -- not accepted
  Trifolium dichotomum Hook. & Arn. -- accepted -- branched Indian clover
  Trifolium dichotomum var. turbinatum Jeps. -- not accepted
  Trifolium dichroanthum Boiss. -- accepted
  Trifolium diffusum Ehrh. -- accepted -- diffuse clover
  Trifolium douglasii House -- accepted -- Douglas' clover
  Trifolium dubium Sibth. -- accepted -- suckling clover, hop clover, smallhop clover
  Trifolium echinatum M. Bieb. -- accepted -- prickly clover
  Trifolium echinatum var. carmeli (Boiss.) Gibelli & Belli -- not accepted
  Trifolium echinatum var. echinatum M. Bieb. -- not accepted -- prickly clover
  Trifolium elegans Savi -- not accepted
  Trifolium elmeri Greene -- not accepted
  Trifolium eriocephalum Nutt. -- accepted -- woollyhead clover
  Trifolium eriocephalum ssp. arcuatum (Piper) J.M. Gillett -- accepted -- woollyhead clover
  Trifolium eriocephalum ssp. cascadense J.M. Gillett -- accepted -- Cascade clover
  Trifolium eriocephalum ssp. cusickii (Piper) J.M. Gillett -- accepted -- Cusick's clover
  Trifolium eriocephalum ssp. eriocephalum Nutt. -- accepted -- woollyhead clover
  Trifolium eriocephalum ssp. martinii J.M. Gillett -- accepted -- Martin's clover
  Trifolium eriocephalum ssp. villiferum (House) J.M. Gillett -- accepted -- fuzzyleaf clover
  Trifolium eriocephalum var. butleri Jeps. -- not accepted
  Trifolium eriocephalum var. cusickii (Piper) J.S. Martin -- not accepted
  Trifolium eriocephalum var. harneyense (Howell) McDermott -- not accepted
  Trifolium eriocephalum var. piperi J.S. Martin -- not accepted
  Trifolium eriocephalum var. villiferum (House) J.S. Martin -- not accepted
  Trifolium eriosphaerum Boiss. -- accepted -- woolly round-head clover
  Trifolium fendleri Greene -- not accepted
  Trifolium fimbriatum Lindl. -- not accepted
  Trifolium flavulum Greene -- not accepted
  Trifolium fragiferum L. -- accepted -- strawberry clover
  Trifolium fragiferum ssp. bonannii (C. Presl) Soják -- not accepted
  Trifolium friscanum (S.L. Welsh) S.L. Welsh -- accepted -- Frisco clover
  Trifolium fruticans L. -- not accepted
  Trifolium fucatum Lindl. -- accepted -- bull clover
  Trifolium fucatum var. gambelii (Nutt.) Jeps. -- not accepted
  Trifolium fucatum var. virescens (Greene) Jeps. -- not accepted
  Trifolium gambelii Nutt. -- not accepted
  Trifolium gemellum Pourr. ex Willd. -- accepted -- Spanish clover
  Trifolium geminiflorum Greene -- not accepted
  Trifolium glanduliferum Boiss. -- accepted -- glandular clover
  Trifolium globosum L. -- accepted -- round-head clover
  Trifolium glomeratum L. -- accepted -- clustered clover
  Trifolium gracilentum Torr. & A. Gray -- accepted -- pinpoint clover, pin-point clover
  Trifolium gracilentum var. gracilentum Torr. & A. Gray -- accepted -- pinpoint clover
  Trifolium gracilentum var. inconspicuum Fernald -- not accepted
  Trifolium gracilentum var. palmeri (S. Watson) McDermott -- accepted -- Palmer's clover
  Trifolium grandiflorum Schreb. -- accepted -- large-flower hop clover
  Trifolium grayi Lojac. -- not accepted
  Trifolium gymnocarpon Nutt. -- accepted -- hollyleaf clover
  Trifolium gymnocarpon ssp. gymnocarpon Nutt. -- accepted -- hollyleaf clover
  Trifolium gymnocarpon ssp. plummerae (S. Watson) J.M. Gillett -- accepted -- Plummer's clover, Plummer clover
  Trifolium gymnocarpon var. lemmonii (S. Watson) McDermott -- not accepted
  Trifolium gymnocarpon var. plummerae (S. Watson) J.S. Martin -- not accepted
  Trifolium gymnocarpon var. subcaulescens (A. Gray) A. Nelson -- not accepted
  Trifolium hansenii Greene -- not accepted
  Trifolium haussknechtii Boiss. -- accepted -- Haussknecht's clover
  Trifolium haydenii Porter -- accepted -- Hayden's clover
  Trifolium haydenii var. barnebyi Isely -- not accepted -- Barneby's clover
  Trifolium haydenii var. haydenii Porter -- not accepted -- Hayden's clover
  Trifolium heldreichianum (Gibelli & Belli) Hausskn. -- accepted -- Heldreich's clover
  Trifolium helleri P.B. Kenn. -- not accepted
  Trifolium heterodon Torr. & A. Gray -- not accepted
  Trifolium hirtum All. -- accepted -- rose clover
  Trifolium howellii S. Watson -- accepted -- canyon clover
  Trifolium howellii var. latifolium (Hook.) McDermott -- not accepted
  Trifolium hybridum L. -- accepted -- alsike clover
  Trifolium hybridum ssp. elegans (Savi) Asch. & Graebn. -- not accepted
  Trifolium hybridum var. elegans (Savi) Boiss. -- not accepted
  Trifolium hybridum var. pratense Rabenh. -- not accepted
  Trifolium inaequale Rydb. -- not accepted
  Trifolium incarnatum L. -- accepted -- crimson clover
  Trifolium incarnatum var. elatius Gibelli & Belli -- not accepted
  Trifolium involucratum var. arizonicum (Greene) McDermott -- not accepted
  Trifolium involucratum var. fendleri (Greene) McDermott -- not accepted
  Trifolium involucratum var. fimbriatum (Lindl.) McDermott -- not accepted
  Trifolium involucratum var. heterodon (Torr. & A. Gray) S. Watson -- not accepted
  Trifolium involucratum var. kennedianum McDermott -- not accepted
  Trifolium isodon Murb. -- not accepted
  Trifolium israeliticum D. Zohary & Katzn. -- accepted -- Israel clover
  Trifolium isthmocarpum Brot. -- accepted
  Trifolium jokerstii M. Vincent & Rand. Morgan -- accepted -- Jim's clover
  Trifolium kennedianum (McDermott) A. Nelson & J.F. Macbr. -- not accepted
  Trifolium kingii S. Watson -- accepted -- King's clover
  Trifolium kingii ssp. dedeckerae (J.M. Gillett) D. Heller -- not accepted
  Trifolium kingii ssp. kingii S. Watson -- accepted -- King's clover
  Trifolium kingii ssp. macilentum (Greene) J.M. Gillett -- accepted -- King's clover, lean clover
  Trifolium kingii ssp. productum (Greene) D. Heller -- not accepted
  Trifolium kingii ssp. rollinsii (J.M. Gillett) D. Heller -- not accepted
  Trifolium kingii var. brandegeei (S. Watson) McDermott -- not accepted
  Trifolium kingii var. macilentum (Greene) Isely -- not accepted
  Trifolium kingii var. productum (Greene) Jeps. -- not accepted
  Trifolium lacerum Greene -- not accepted
  Trifolium lagopus Pourr. ex Willd. -- not accepted
  Trifolium lappaceum L. -- accepted -- burdock clover
  Trifolium latifolium (Hook.) Greene -- accepted -- twin clover
  Trifolium leibergii A. Nelson & J.F. Macbr. -- accepted -- Leiberg's clover
  Trifolium lemmonii S. Watson -- accepted -- Lemmon's clover
  Trifolium leucanthum M. Bieb. -- accepted
  Trifolium ligusticum Balb. ex Loisel. -- accepted -- Ligurian clover
  Trifolium lilacinum Rydb. -- not accepted
  Trifolium lividum Rydb. -- not accepted
  Trifolium longicaule Wooton & Standl. -- not accepted
  Trifolium longipes Nutt. -- accepted -- longstalk clover, long-stalk clover
  Trifolium longipes ssp. atrorubens (Greene) J.M. Gillett -- accepted -- longstalk clover
  Trifolium longipes ssp. caurinum (Piper) J.M. Gillett -- accepted -- longstalk clover
  Trifolium longipes ssp. elmeri (Greene) J.M. Gillett -- accepted -- Elmer's clover
  Trifolium longipes ssp. hansenii (Greene) J.M. Gillett -- accepted -- Hansen's clover
  Trifolium longipes ssp. longipes Nutt. -- accepted -- longstalk clover
  Trifolium longipes ssp. multipedunculatum (P.B. Kenn.) J.M. Gillett -- accepted -- longstalk clover
  Trifolium longipes ssp. oreganum (Howell) J.M. Gillett -- accepted -- Oregon clover
  Trifolium longipes ssp. pedunculatum (Rydb.) J.M. Gillett -- accepted -- longstalk clover
  Trifolium longipes ssp. pygmaeum (A. Gray) J.M. Gillett -- accepted -- pygmy clover, long-stalk clover
  Trifolium longipes ssp. reflexum (A. Nelson) J.M. Gillett -- accepted -- droopflower clover
  Trifolium longipes ssp. shastense (House) J.M. Gillett -- accepted -- longstalk clover
  Trifolium longipes var. atrorubens (Greene) Jeps. -- not accepted
  Trifolium longipes var. brachypus S. Watson -- not accepted
  Trifolium longipes var. elmeri (Greene) McDermott -- not accepted
  Trifolium longipes var. hansenii (Greene) Jeps. -- not accepted
  Trifolium longipes var. latifolium Hook. -- not accepted
  Trifolium longipes var. multiovulatum (L.F. Hend.) C.L. Hitchc. -- not accepted
  Trifolium longipes var. multipedunculatum (P.B. Kenn.) J.S. Martin ex Isely -- not accepted
  Trifolium longipes var. neurophyllum (Greene) J.S. Martin ex Isely -- not accepted
  Trifolium longipes var. nevadense Jeps. -- not accepted
  Trifolium longipes var. oreganum (Howell) Isely -- not accepted
  Trifolium longipes var. pedunculatum (Rydb.) C.L. Hitchc. -- not accepted
  Trifolium longipes var. pedunculatum (Rydb.) Isely -- not accepted
  Trifolium longipes var. pygmaeum A. Gray -- not accepted
  Trifolium longipes var. reflexum A. Nelson -- not accepted
  Trifolium longipes var. rusbyi (Greene) H.D. Harr. -- not accepted
  Trifolium longipes var. shastense (House) Jeps. -- not accepted
  Trifolium lucanicum Gasp. ex Guss. -- accepted
  Trifolium lugardii Bullock -- accepted -- Lugard's clover
  Trifolium lupinaster L. -- accepted -- lupine clover
  Trifolium macilentum Greene -- not accepted
  Trifolium macilentum var. dedeckerae (J.M. Gillett) Barneby -- not accepted
  Trifolium macilentum var. rollinsii (J.M. Gillett) Barneby -- not accepted
  Trifolium macraei Hook. & Arn. -- accepted -- Chilean clover
  Trifolium macraei var. albopurpureum (Torr. & A. Gray) Greene -- not accepted
  Trifolium macraei var. dichotomum (Hook. & Arn.) W.H. Brewer ex S. Watson -- not accepted
  Trifolium macrocephalum (Pursh) Poir. -- accepted -- largehead clover, bighead clover
  Trifolium macrocephalum var. caeruleomontanum H. St. John -- not accepted
  Trifolium maritimum Huds. -- not accepted
  Trifolium maritinum Huds. -- not accepted
  Trifolium masaiense J.B. Gillett -- accepted -- Masai clover
  Trifolium medium L. -- accepted -- zigzag clover
  Trifolium medium var. sarosiense (Hazsl.) Savul. & Rayss -- not accepted
  Trifolium meduseum Blanche ex Boiss. -- accepted -- Medusa clover
  Trifolium megalanthum Steud. -- not accepted
  Trifolium melananthum Hook. & Arn. -- not accepted
  Trifolium meneghinianum Clementi -- not accepted
  Trifolium mercedense P.B. Kenn. -- not accepted
  Trifolium michelianum Savi -- accepted -- bigflower clover
  Trifolium michelianum ssp. balansae (Boiss.) Ponert -- accepted -- Balansa clover
  Trifolium michelianum var. balansae (Boiss.) Andrz. -- not accepted -- Balansa clover
  Trifolium micranthum Viv. -- accepted -- slender hop clover
  Trifolium microcephalum Pursh -- accepted -- smallhead clover, littlehead clover, small-head clover
  Trifolium microdon Hook. & Arn. -- accepted -- thimble clover
  Trifolium microdon var. pilosum Eastw. -- not accepted
  Trifolium miegeanum Maire -- accepted -- miege clover
  Trifolium minutissimum D. Heller & Zohary -- accepted -- dwarf clover, Clemens County clover
  Trifolium monanthum A. Gray -- accepted -- mountain carpet clover, carpet clover
  Trifolium monanthum ssp. grantianum (A. Heller) J.M. Gillett -- accepted -- mountain carpet clover
  Trifolium monanthum ssp. monanthum A. Gray -- accepted -- mountain carpet clover
  Trifolium monanthum ssp. parvum (Kellogg) J.M. Gillett -- accepted -- mountain carpet clover
  Trifolium monanthum ssp. tenerum (Eastw.) J.M. Gillett -- accepted -- mountain carpet clover
  Trifolium monanthum var. caulescens Lojac. -- not accepted
  Trifolium monanthum var. eastwoodianum J.S. Martin -- not accepted
  Trifolium monanthum var. grantianum (A. Heller) Parish -- not accepted
  Trifolium monanthum var. parvum (Kellogg) McDermott -- not accepted
  Trifolium monanthum var. pusillum (Greene) Jeps. -- not accepted
  Trifolium monanthum var. tenerum (Eastw.) Parish -- not accepted
  Trifolium monoense Greene -- not accepted
  Trifolium montanense Rydb. -- not accepted
  Trifolium montanum L. -- accepted -- mountain clover
  Trifolium mucronatum Willd. ex Spreng. -- accepted -- cusp clover
  Trifolium mucronatum ssp. lacerum (Greene) J.M. Gillett -- accepted -- spinytooth clover, cusp clover
  Trifolium mucronatum ssp. mucronatum Willd. ex Spreng. -- accepted
  Trifolium mucronatum var. arizonicum (Greene) Isely -- not accepted
  Trifolium mucronatum var. mucronatum Willd. ex Spreng. -- not accepted
  Trifolium multicaule M.E. Jones -- not accepted
  Trifolium multipedunculatum P.B. Kenn. -- not accepted
  Trifolium mutabile Port. -- accepted
  Trifolium nanum Torr. -- accepted -- dwarf clover
  Trifolium nemorale Greene -- not accepted
  Trifolium neolagopus Lojac. -- not accepted
  Trifolium neurophyllum Greene -- accepted -- White Mountain clover
  Trifolium nigrescens Viv. -- accepted -- small white clover
  Trifolium nigrescens ssp. petrisavii (Clementi) Holmboe -- not accepted
  Trifolium obscurum Savi -- accepted
  Trifolium obscurum ssp. aequidentatum (Perez Lara) C. Vicioso -- not accepted
  Trifolium obtusiflorum Hook. -- accepted -- clammy clover
  Trifolium occidentale Coombe -- not accepted
  Trifolium ochroleucum Huds. -- accepted -- sulphur clover
  Trifolium oliganthum Steud. -- accepted -- fewflower clover
  Trifolium olivaceum Greene -- accepted -- olive clover
  Trifolium olivaceum var. columbinum (Greene) Jeps. -- not accepted
  Trifolium olivaceum var. griseum Jeps. -- not accepted
  Trifolium orbiculatum B.P. Kenn. & McDermott -- not accepted
  Trifolium oreganum Howell -- not accepted
  Trifolium oreganum var. multiovulatum L.F. Hend. -- not accepted
  Trifolium oreganum var. rydbergii (Greene) McDermott -- not accepted
  Trifolium ornithopodioides L. -- accepted -- bird clover, bird's-foot-fenugreek
  Trifolium owyheense Gilkey -- accepted -- Owyhee clover
  Trifolium oxyodon Greene ex Rydb. -- not accepted
  Trifolium palaestinum Boiss. -- accepted -- Palestine clover
  Trifolium pallescens Schreb. -- accepted
  Trifolium pallidum Waldst. & Kit. -- accepted
  Trifolium palmeri S. Watson -- not accepted
  Trifolium pannonicum Jacq. -- accepted -- Hungarian clover
  Trifolium pannonicum ssp. elongatum (Willd.) Zohary -- not accepted
  Trifolium parryi A. Gray -- accepted -- Parry's clover, Parry clover
  Trifolium parryi ssp. montanense (Rydb.) J.M. Gillett -- accepted -- Parry's clover
  Trifolium parryi ssp. parryi A. Gray -- accepted -- Parry's clover
  Trifolium parryi ssp. salictorum (Greene ex Rydb.) J.M. Gillett -- accepted -- Parry's clover
  Trifolium parryi var. montanense (Rydb.) Isely -- not accepted
  Trifolium parryi var. montanense (Rydb.) S.L. Welsh -- not accepted
  Trifolium parviflorum Ehrh. -- not accepted
  Trifolium patens Schreb. -- accepted
  Trifolium pauciflorum Nutt. -- not accepted
  Trifolium pauciflorum var. parvum Kellogg -- not accepted
  Trifolium pedunculatum Rydb. -- not accepted
  Trifolium petraeum Greene -- not accepted
  Trifolium petrophilum Greene ex A. Heller -- not accepted
  Trifolium philistaeum Zohary -- accepted -- Palestine clover
  Trifolium physodes Steven ex M. Bieb. -- accepted
  Trifolium pilulare Boiss. -- accepted
  Trifolium pinetorum Greene -- accepted -- woods clover, pinewoods clover
  Trifolium plummerae S. Watson -- not accepted
  Trifolium plumosum Douglas -- accepted -- plumed clover
  Trifolium plumosum ssp. amplifolium (J.S. Martin) J.M. Gillett -- accepted -- bigleaf clover
  Trifolium plumosum ssp. plumosum Douglas -- accepted -- plumed clover
  Trifolium plumosum var. amplifolium J.S. Martin -- not accepted
  Trifolium polymorphum Poir. -- accepted -- peanut clover
  Trifolium polyodon Greene -- not accepted -- Pacific Grove clover
  Trifolium polystachyum Fresen. -- accepted
  Trifolium pratense L. -- accepted -- red clover
  Trifolium pratense var. frigidum auct. non Gaudin -- not accepted
  Trifolium pratense var. sativum (Schreb.) Cincovic -- not accepted
  Trifolium procumbens L. -- not accepted
  Trifolium productum Greene -- accepted -- Shasta clover
  Trifolium purpureum Loisel. -- accepted -- purple clover
  Trifolium purseglovei J.B. Gillett -- accepted
  Trifolium pusillum Greene -- not accepted
  Trifolium reflexum L. -- accepted -- buffalo clover
  Trifolium reflexum var. glabrum Lojac. -- not accepted
  Trifolium reflexum var. virginicum (Small ex Small & Vail) McDermott -- not accepted
  Trifolium repens L. -- accepted -- white clover, Dutch clover, ladino clover, white Dutch clover
  Trifolium repens var. biasolettii (Steud. & Hochst.) Asch. & Graebn. -- not accepted
  Trifolium repens var. giganteum Lagr.-Foss. -- not accepted -- giant clover
  Trifolium repens var. repens L. -- not accepted -- white clover
  Trifolium resupinatum L. -- accepted -- reversed clover, Persian clover
  Trifolium resupinatum var. suaveolens (Willd.) Dinsm. -- not accepted
  Trifolium retusum L. -- accepted -- teasel clover
  Trifolium rollinsii J.M. Gillett -- accepted -- Rollins' clover
  Trifolium rubens L. -- accepted
  Trifolium rueppellianum Fresen. -- accepted -- Rueppell's clover
  Trifolium rusbyi Greene -- not accepted
  Trifolium rusbyi ssp. caurinum (Piper) D. Heller & Zohary -- not accepted
  Trifolium rusbyi ssp. multipedunculatum (P.B. Kenn.) D. Heller & Zohary -- not accepted
  Trifolium rusbyi ssp. neurophyllum (Greene) D. Heller & Zohary -- not accepted
  Trifolium rusbyi ssp. oreganum (Howell) D. Heller & Zohary -- not accepted
  Trifolium rusbyi ssp. reflexum (A. Nelson) D. Heller & Zohary -- not accepted
  Trifolium rusbyi ssp. shastense (House) D. Heller & Zohary -- not accepted
  Trifolium rusbyi var. atrorubens Greene -- not accepted
  Trifolium rydbergii Greene -- not accepted
  Trifolium salictorum Greene ex Rydb. -- not accepted
  Trifolium saxicola Small -- not accepted
  Trifolium scabrum L. -- accepted -- rough clover
  Trifolium scariosum A. Nelson -- not accepted
  Trifolium scutatum Boiss. -- accepted -- shield clover
  Trifolium semipilosum Fresen. -- accepted -- Kenya clover
  Trifolium shastense House -- not accepted
  Trifolium simulans House -- not accepted
  Trifolium siskiyouense J.M. Gillett -- accepted -- Siskiyou clover
  Trifolium smyrnaeum Boiss. -- not accepted
  Trifolium spadiceum L. -- accepted -- brown moor clover
  Trifolium speciosum Willd. -- not accepted
  Trifolium spinulosum Douglas ex Hook. -- not accepted
  Trifolium spumosum L. -- accepted -- Mediterranean clover
  Trifolium squamosum L. -- accepted -- sea clover
  Trifolium squarrosum L. -- accepted
  Trifolium stellatum L. -- accepted -- star clover, starry clover
  Trifolium stenolobum Rydb. -- not accepted
  Trifolium stenophyllum Nutt. -- not accepted
  Trifolium steudneri Schweinf. -- accepted -- Steudner's clover
  Trifolium stoloniferum Muhl. ex Eaton -- accepted -- running buffalo clover, creeping clover
  Trifolium striatum L. -- accepted -- knotted clover
  Trifolium strictum L. -- accepted
  Trifolium subcaulescens A. Gray -- not accepted
  Trifolium subterraneum L. -- accepted -- subterranean clover
  Trifolium subterraneum ssp. brachycalycinum Katzn. & Morley -- not accepted -- subterranean clover
  Trifolium subterraneum var. yanninicum (Katzn. & Morley) Zohary -- not accepted -- subterranean clover
  Trifolium suffocatum L. -- accepted -- suffocated clover
  Trifolium supinum Savi -- not accepted
  Trifolium sylvaticum Gérard ex Loisel. -- accepted
  Trifolium tembense Fresen. -- accepted -- Tembien clover
  Trifolium tenerum Eastw. -- not accepted
  Trifolium thalii Vill. -- accepted
  Trifolium thompsonii C.V. Morton -- accepted -- Thompson's clover
  Trifolium tomentosum L. -- accepted -- woolly clover
  Trifolium tomentosum var. curvisepalum (Tackh.) J. Thiebaut -- not accepted
  Trifolium traskiae P.B. Kenn. -- not accepted
  Trifolium trichocalyx A. Heller -- accepted -- Monterey clover, Coastal dunes milk-vetch
  Trifolium trichocephalum M. Bieb. -- accepted
  Trifolium tridentatum Lindl. -- not accepted
  Trifolium tridentatum var. aciculare (Nutt.) McDermott -- not accepted
  Trifolium tridentatum var. obtusiflorum (Hook.) S. Watson -- not accepted
  Trifolium trilobatum Jeps. -- not accepted
  Trifolium truncatum (Greene) Greene -- not accepted
  Trifolium tumens Steven ex M. Bieb. -- accepted
  Trifolium uintense Rydb. -- not accepted
  Trifolium uniflorum L. -- accepted -- oneflower clover
  Trifolium usambarense Taub. -- accepted
  Trifolium variegatum Nutt. -- accepted -- whitetip clover, white-tip clover
  Trifolium variegatum var. major Lojac. -- not accepted
  Trifolium variegatum var. melananthum (Hook. & Arn.) Greene -- not accepted
  Trifolium variegatum var. pauciflorum (Nutt.) McDermott -- not accepted
  Trifolium variegatum var. rostratum (Greene) C.L. Hitchc. -- not accepted
  Trifolium variegatum var. trilobatum (Jeps.) McDermott -- not accepted
  Trifolium vavilovii Eig -- accepted -- Vavilov's clover
  Trifolium vernum Phil. -- accepted
  Trifolium vesiculosum Savi -- accepted -- arrowleaf clover
  Trifolium villiferum House -- not accepted
  Trifolium virginicum Small ex Small & Vail -- accepted -- Kates Mountain clover, Kate's-mountain clover
  Trifolium willdenovii Spreng. -- accepted -- tomcat clover
  Trifolium willdenovii var. fimbriatum (Lindl.) Ewan -- not accepted
  Trifolium willdenovii var. kennedianum (McDermott) Ewan -- not accepted
  Trifolium willdenovii var. longicaule (Wooton & Standl.) L.D. Benson -- not accepted
  Trifolium willdenowii Spreng. -- not accepted -- tomcat clover
  Trifolium willdenowii var. fimbriatum (Lindl.) Ewan -- not accepted
  Trifolium willdenowii var. kennedianum (McDermott) Ewan -- not accepted
  Trifolium willdenowii var. longicaule (Wooton & Standl.) L.D. Benson -- not accepted
  Trifolium wormskioldii Lehm. -- accepted -- cows clover, cow clover, Sierra clover
  Trifolium wormskioldii var. arizonicum (Greene) Barneby -- not accepted
  Trifolium wormskioldii var. fimbriatum (Lindl.) Jeps. -- not accepted
  Trifolium wormskioldii var. kennedianum (McDermott) Jeps. -- not accepted
  Trifolium wormskioldii var. longicaule (Wooton & Standl.) L.D. Benson -- not accepted
  Trifolium wormskioldii var. siskiyouense (J.M. Gillett) Isely -- not accepted
  Trifolium wormskjoldii Lehm. -- not accepted
  Trigonella L. -- accepted -- fenugreek
  Trigonella arabica Delile -- accepted
  Trigonella brachycarpa (Fisch. ex M. Bieb.) Moris -- not accepted
  Trigonella caerulea (L.) Ser. -- accepted -- blue fenugreek
  Trigonella corniculata (L.) L. -- accepted -- cultivated fenugreek
  Trigonella cretica (L.) Boiss. -- accepted
  Trigonella foenum-graecum L. -- accepted -- sicklefruit fenugreek
  Trigonella gladiata Steven ex M. Bieb. -- accepted
  Trigonella hamosa L. -- accepted -- branched fenugreek
  Trigonella laciniata auct. non L. -- not accepted -- cutleaf fenugreek
  Trigonella monspeliaca L. -- not accepted
  Trigonella neoana Boiss. -- not accepted
  Trigonella ornithopodioides (L.) DC. -- not accepted
  Trigonella polycarpa Boiss. & Heldr. -- not accepted
  Trigonella polyceratia L. -- not accepted
  Trigonella popovii Korovin -- not accepted
  Trigonella procumbens (Besser) Rchb. -- accepted -- trailing fenugreek
  Trigonella ramosa L. -- not accepted
  Trigonella ruthenica L. -- not accepted
  Tripodion Medik. -- accepted
  Tripodion tetraphyllum (L.) Fourr. -- accepted
  Tylosema fassoglense (Kotschy ex Schweinf.) Torre & Hillc. -- accepted
  Ulex L. -- accepted -- gorse
  Ulex europaeus L. -- accepted -- common gorse, furze, gorse, whin
  Ulex gallii Planch. -- accepted
  Ulex minor Roth -- accepted -- dwarf gorse
  Ulex nanus T.F. Forst. ex Symons -- not accepted
  Vachellia Wight & Arn. -- accepted
  Vachellia anegadensis (Britton) Seigler & Ebinger -- accepted -- blackbrush wattle
  Vachellia bravoensis (Isely) Seigler & Ebinger -- accepted -- Schaffner's wattle
  Vachellia caven (Molina) Seigler & Ebinger -- accepted -- Roman-cassie, espino caván
  Vachellia choriophylla (Benth.) Seigler & Ebinger -- accepted -- cinnecord
  Vachellia collinsii (Saff.) Seigler & Ebinger -- accepted -- bull horn acacia
  Vachellia constricta (Benth.) Seigler & Ebinger -- accepted -- whitethorn acacia
  Vachellia cornigera (L.) Seigler & Ebinger -- accepted -- bullhorn wattle
  Vachellia densiflora Alexander ex Small -- not accepted
  Vachellia eburnea (L. f.) P.J.H. Hurter & Mabb. -- accepted
  Vachellia erioloba (E. Mey.) P.J.H. Hurter -- accepted -- camelthorn
  Vachellia farnesiana (L.) Wight & Arn. -- accepted -- sweet acacia
  Vachellia farnesiana var. farnesiana (L.) Wight & Arn. -- accepted -- sweet acacia
  Vachellia farnesiana var. pinetorum (F.J. Herm.) Seigler & Ebinger -- accepted -- pineland wattle
  Vachellia gerrardii (Benth.) P.J.H. Hurter -- accepted
  Vachellia insularis Small -- not accepted
  Vachellia macracantha (Humb. & Bonpl. ex Willd.) Seigler & Ebinger -- accepted -- porknut
  Vachellia nilotica (L.) P.J.H. Hurter & Mabb. -- accepted -- gum arabic tree
  Vachellia peninsularis Small -- not accepted
  Vachellia pennatula (Schltdl. & Cham.) Seigler & Ebinger -- accepted -- fern-leaf acacia, tepame
  Vachellia rigidula (Benth.) Seigler & Ebinger -- accepted -- blackbrush acacia
  Vachellia schaffneri (S. Watson) Seigler & Ebinger -- accepted -- Schaffner's wattle
  Vachellia schottii (Torr.) Seigler & Ebinger -- accepted -- Schott's wattle
  Vachellia seyal (Delile) P.J.H. Hurter -- accepted -- talh
  Vachellia sphaerocephala (Schltdl. & Cham.) Seigler & Ebinger -- accepted -- bee wattle
  Vachellia tortilis (Forssk.) Galasso & Banfi -- accepted -- umbrella thorn
  Vachellia tortuosa (L.) Seigler & Ebinger -- accepted -- poponax
  Vachellia vernicosa (Britton & Rose) Seigler & Ebinger -- accepted -- viscid acacia
  Vachellia xanthophloea (Benth.) P.J.H. Hurter -- accepted -- fevertree
  Vexibia leachiana (M. Peck) W.A. Weber -- not accepted
  Vexibia nuttalliana (B.L. Turner) Yakovlev -- not accepted
  Vexibia stenophylla (A. Gray) W.A. Weber -- not accepted
  Vexillifera Ducke -- not accepted
  Vexillifera micranthera Ducke -- not accepted
  Vicia L. -- accepted -- vetch
  Vicia acutifolia Elliott -- accepted -- fourleaf vetch, sand vetch
  Vicia americana Muhl. ex Willd. -- accepted -- American vetch, American purple vetch, vesce d'Amérique, American deervetch
  Vicia americana ssp. americana Muhl. ex Willd. -- accepted -- American vetch, purple vetch
  Vicia americana ssp. mexicana C.R. Gunn -- accepted -- Mexican vetch
  Vicia americana ssp. minor (Hook.) Piper & Beattie -- accepted -- mat vetch, purple vetch
  Vicia americana ssp. oregana (Nutt.) Abrams -- not accepted
  Vicia americana var. americana Muhl. ex Willd. -- not accepted -- American vetch
  Vicia americana var. angustifolia Nees -- not accepted
  Vicia americana var. linearis (Nutt.) S. Watson -- not accepted
  Vicia americana var. minor Hook. -- not accepted -- mat vetch
  Vicia americana var. oregana (Nutt.) A. Nelson -- not accepted
  Vicia americana var. truncata (Nutt.) W.H. Brewer -- not accepted
  Vicia americana var. villosa (Kellogg) F.J. Herm. -- not accepted
  Vicia amoena Fisch. -- accepted
  Vicia amurensis Oett. -- accepted
  Vicia anatolica Turrill -- accepted
  Vicia andicola Kunth -- accepted
  Vicia angustifolia L. ex Reichard -- not accepted -- garden vetch
  Vicia angustifolia var. segetalis (Thuill.) W.D.J. Koch -- not accepted
  Vicia angustifolia var. uncinata (Desv.) Rouy -- not accepted
  Vicia articulata Hornem. -- accepted -- oneflower vetch
  Vicia assyriaca Boiss. -- accepted
  Vicia atropurpurea Desf. -- not accepted
  Vicia benghalensis L. -- accepted -- reddish tufted vetch, purple vetch
  Vicia biennis L. -- accepted
  Vicia bithynica (L.) L. -- accepted -- Bithynian vetch
  Vicia calcarata Desf. -- not accepted
  Vicia californica Greene -- not accepted
  Vicia californica var. madrensis Jeps. -- not accepted
  Vicia canescens Labill. -- accepted
  Vicia canescens ssp. gregaria (Boiss. & Heldr.) P.H. Davis -- accepted
  Vicia canescens ssp. variegata (Willd.) P.H. Davis -- accepted
  Vicia caroliniana Walter -- accepted -- Carolina vetch
  Vicia cassubica L. -- accepted
  Vicia cordata Wulfen ex Hoppe -- not accepted
  Vicia cracca L. -- accepted -- bird vetch, tufted vetch, cow vetch
  Vicia cracca ssp. cracca L. -- not accepted -- bird vetch
  Vicia cracca ssp. grossheimii (Ekutim.) Hashimov -- not accepted
  Vicia cracca ssp. incana (Gouan) Rouy -- not accepted
  Vicia cracca ssp. stenophylla (Velen.) C.D. Preston -- not accepted
  Vicia cracca ssp. tenuifolia (Roth) Bonnier & Layens -- not accepted -- cow vetch
  Vicia cracca var. tenuifolia (Roth) Beck -- not accepted
  Vicia dalmatica A. Kern. -- not accepted
  Vicia dasycarpa Ten. -- not accepted
  Vicia disperma DC. -- accepted -- European vetch
  Vicia dumetorum L. -- accepted
  Vicia elegans Guss. -- not accepted
  Vicia eriocarpa (Hausskn.) Halácsy -- not accepted
  Vicia ervilia (L.) Willd. -- accepted -- blister vetch
  Vicia exigua Nutt. -- not accepted
  Vicia exigua var. californica Torr. -- not accepted
  Vicia exigua var. hassei (S. Watson) Jeps. -- not accepted
  Vicia faba L. -- accepted -- horsebean
  Vicia filicaulis Webb & Berthel. -- accepted
  Vicia floridana S. Watson -- accepted -- Florida vetch
  Vicia fulgens Batt. -- accepted -- scarlet vetch
  Vicia galeata Boiss. -- accepted
  Vicia gigantea Hook. -- not accepted
  Vicia globosa Retz. -- not accepted
  Vicia graminea Sm. -- accepted
  Vicia grandiflora Scop. -- accepted -- large yellow vetch
  Vicia grandiflora var. kitaibeliana W.D.J. Koch -- not accepted
  Vicia gregaria Boiss. & Heldr. -- not accepted
  Vicia hajastana Grossh. -- not accepted
  Vicia hassei S. Watson -- accepted -- Hasse's vetch, slender vetch
  Vicia hirsuta (L.) Gray -- accepted -- tiny vetch, hairy vetch
  Vicia hugeri Small -- not accepted
  Vicia humilis Kunth -- accepted
  Vicia hybrida L. -- accepted -- hairy yellow vetch
  Vicia hyrcanica Fisch. & C.A. Mey. -- accepted -- vetch
  Vicia incana Gouan -- not accepted
  Vicia incisa M. Bieb. -- accepted
  Vicia incisiformis Stef. -- not accepted
  Vicia kingii Hook. f. -- not accepted
  Vicia lathyroides L. -- accepted -- spring vetch
  Vicia laxiflora Brot. -- accepted -- slender vetch
  Vicia leavenworthii Nutt. ex Torr. & A. Gray -- not accepted
  Vicia leavenworthii var. occidentalis Shinners -- not accepted
  Vicia leucophaea Greene -- accepted -- Mogollon Mountain vetch
  Vicia lilacina Ledeb. -- accepted
  Vicia linearis (Nutt.) Greene -- not accepted
  Vicia loiseleurii (M. Bieb.) Litv. -- accepted
  Vicia ludoviciana Nutt. ex Torr. & A. Gray -- accepted -- Louisiana vetch, deerpea vetch, slim vetch
  Vicia ludoviciana ssp. leavenworthii (Nutt. ex Torr. & A. Gray) Lassetter & C.R. Gunn -- not accepted -- Leavenworth's vetch
  Vicia ludoviciana ssp. ludoviciana Nutt. ex Torr. & A. Gray -- not accepted -- Louisiana vetch, slim vetch
  Vicia ludoviciana var. laxiflora Shinners -- not accepted
  Vicia ludoviciana var. leavenworthii (Nutt. ex Torr. & A. Gray) Broich -- accepted -- Leavenworth's vetch
  Vicia ludoviciana var. ludoviciana Nutt. ex Torr. & A. Gray -- accepted -- Louisiana vetch
  Vicia ludoviciana var. texana (Torr. & A. Gray) Shinners -- not accepted
  Vicia lutea L. -- accepted -- smooth yellow vetch
  Vicia lutea ssp. vestita (Boiss.) Rouy -- not accepted -- hairy yellow vetch
  Vicia lutea var. hirta (Balb. ex DC.) Loisel. -- not accepted
  Vicia lutea var. laevigata (Sm.) Boiss. -- not accepted
  Vicia lutea var. violascens Rouy -- not accepted
  Vicia macrocarpa (Moris) Bertol. -- not accepted
  Vicia magellanica Hook. f. -- accepted
  Vicia melanops Sm. -- accepted
  Vicia menziesii Spreng. -- accepted -- Hawai'i vetch, Hawaiian vetch, Hawaiian wild broad-bean
  Vicia meyeri Boiss. -- not accepted
  Vicia michauxii Spreng. -- accepted
  Vicia micrantha Nutt. ex Torr. & A. Gray -- not accepted
  Vicia minutiflora D. Dietr. -- accepted -- pygmyflower vetch, smallflower vetch
  Vicia monantha Retz. -- accepted -- barn vetch
  Vicia monantha ssp. triflora (Ten.) B.L. Burtt & P. Lewis -- not accepted
  Vicia montbreti Fisch. & C.A. Mey. -- not accepted -- vetch
  Vicia montbretii Fisch. & C.A. Mey. -- accepted -- vetch
  Vicia montevidensis Vogel -- accepted
  Vicia narbonensis L. -- accepted -- purple broad vetch
  Vicia narbonensis var. serratifolia (Jacq.) Ser. -- not accepted
  Vicia neglecta Hanelt & Mett. -- not accepted
  Vicia nigricans Hook. & Arn. -- accepted -- black vetch
  Vicia nigricans ssp. gigantea (Hook.) Lassetter & C.R. Gunn -- not accepted -- giant vetch
  Vicia nigricans ssp. nigricans Hook. & Arn. -- not accepted -- black vetch
  Vicia nigricans var. gigantea (Hook.) Broich -- accepted -- giant vetch
  Vicia nigricans var. nigricans Hook. & Arn. -- accepted -- black vetch
  Vicia noeana Reut. ex Boiss. -- accepted
  Vicia obscura Vogel -- not accepted
  Vicia ocalensis R.K. Godfrey & Kral -- accepted -- Ocala vetch
  Vicia oregana Nutt. -- not accepted
  Vicia orobus DC. -- accepted
  Vicia palaestina Boiss. -- accepted -- vetch
  Vicia pannonica Crantz -- accepted -- Hungarian vetch
  Vicia peregrina L. -- accepted -- wandering vetch
  Vicia picta Fisch. & C.A. Mey. -- not accepted
  Vicia pilosa M. Bieb. -- not accepted
  Vicia pisiformis L. -- accepted -- pale-flower vetch, pea vetch
  Vicia producta Rydb. -- not accepted
  Vicia pseudocracca Bertol. -- not accepted
  Vicia pulchella Kunth -- accepted -- sweetclover vetch, beautiful vetch, sweet-clover vetch
  Vicia pyrenaica Pourr. -- accepted
  Vicia ramuliflora (Maxim.) Ohwi -- accepted
  Vicia reverchonii S. Watson -- not accepted -- hairy pod vetch
  Vicia sativa L. -- accepted -- garden vetch, common vetch, tare, narrowleaf vetch
  Vicia sativa ssp. cordata (Wulfen ex Hoppe) Batt. -- not accepted
  Vicia sativa ssp. macrocarpa (Moris) Arcang. -- not accepted
  Vicia sativa ssp. nigra (L.) Ehrh. -- accepted -- garden vetch, common vetch, slimleaf vetch, vetch
  Vicia sativa ssp. sativa L. -- not accepted -- garden vetch
  Vicia sativa ssp. segetalis (Thuill.) Celak. -- not accepted
  Vicia sativa var. angustifolia (L. ex Reichard) Wahlenb. -- not accepted -- garden vetch, narrow-leaved vetch
  Vicia sativa var. cordata Arcang. -- accepted
  Vicia sativa var. leucosperma (Moench) Ser. -- not accepted
  Vicia sativa var. linearis Lange -- not accepted
  Vicia sativa var. macrocarpa Moris -- accepted
  Vicia sativa var. nigra L. -- not accepted
  Vicia sativa var. sativa L. -- accepted -- garden vetch, common vetch, spring vetch, tare
  Vicia sativa var. segetalis (Thuill.) Ser. -- not accepted
  Vicia semicincta Greene -- not accepted
  Vicia sepium L. -- accepted -- bush vetch, hedge vetch
  Vicia sepium var. montana W.D.J. Koch -- accepted -- bush vetch
  Vicia sepium var. sepium L. -- accepted -- bush vetch
  Vicia serratifolia Jacq. -- accepted
  Vicia sessiliflora Clos -- accepted
  Vicia setifolia Kunth -- accepted
  Vicia setifolia var. bonariensis Burkart -- accepted
  Vicia sexajuga Nakai -- not accepted
  Vicia sparsifolia Nutt. ex Torr. & A. Gray -- not accepted
  Vicia sparsifolia var. truncata (Nutt.) S. Watson -- not accepted
  Vicia sylvatica L. -- accepted -- wood vetch
  Vicia tenuifolia Roth -- not accepted
  Vicia tenuissima Schinz & Thell. -- not accepted
  Vicia tetrasperma (L.) Schreb. -- accepted -- lentil vetch, slender vetch, sparrow vetch
  Vicia tetrasperma var. gracilis (Hook.) Asch. & Graebn. -- not accepted
  Vicia tetrasperma var. tenuissima Druce -- not accepted
  Vicia tetrasperma var. tetrasperma (L.) Schreb. -- not accepted -- lentil vetch
  Vicia texana (Torr. & A. Gray) Small -- not accepted
  Vicia trifida D. Dietr. -- not accepted
  Vicia trifida Rydb. -- not accepted
  Vicia unijuga A. Braun -- accepted -- two-leaf vetch
  Vicia variegata Willd. -- not accepted
  Vicia venosa (Willd. ex Link) Maxim. -- accepted
  Vicia venosa var. cuspidata Maxim. -- accepted
  Vicia villosa Roth -- accepted -- winter vetch, hairy vetch, woolly vetch
  Vicia villosa ssp. eriocarpa (Hausskn.) P.W. Ball -- not accepted
  Vicia villosa ssp. pseudocracca (Bertol.) Rouy -- not accepted -- winter vetch
  Vicia villosa ssp. varia (Host) Corb. -- not accepted -- winter vetch, vetch woollypod
  Vicia villosa ssp. villosa Roth -- not accepted -- winter vetch
  Vicia villosa var. eriocarpa Hausskn. -- accepted
  Vicia villosa var. glabrescens W.D.J. Koch -- accepted -- winter vetch
  Vicia villosa var. pseudocracca (Bertol.) Hormat -- accepted -- winter vetch
  Vicia villosa var. villosa Roth -- accepted -- winter vetch
  Vigna Savi -- accepted -- cowpea
  Vigna aconitifolia (Jacq.) Maréchal -- accepted -- moth bean
  Vigna adenantha (G. Mey.) Maréchal, Mascherpa & Stainier -- accepted -- wild pea
  Vigna ambacensis Welw. ex Baker -- accepted
  Vigna angularis (Willd.) Ohwi & H. Ohashi -- accepted -- adzuki bean
  Vigna antillana (Urb.) Fawc. & Rendle -- accepted -- Antilles bean
  Vigna baoulensis A. Chev. -- not accepted
  Vigna caracalla (L.) Verdc. -- accepted -- snailflower
  Vigna catjang (Burm. f.) Walp. -- not accepted
  Vigna cylindrica (L.) Skeels -- not accepted
  Vigna decipiens Harv. -- accepted
  Vigna heterophylla A. Rich. -- accepted
  Vigna hosei (Craib) Backer ex K. Heyne -- accepted -- Sarawak bean
  Vigna juruana (Harms) Verdc. -- accepted -- tropical cowpea
  Vigna lasiocarpa (Mart. ex Benth.) Verdc. -- accepted
  Vigna longifolia (Benth.) Verdc. -- accepted -- longleaf cowpea
  Vigna luteola (Jacq.) Benth. -- accepted -- hairypod cowpea, Dalrymple vigna, deer pea
  Vigna marina (Burm.) Merr. -- accepted -- notched cowpea
  Vigna minima (Roxb.) Ohwi & H. Ohashi -- accepted -- cowpea
  Vigna mungo (L.) Hepper -- accepted -- black gram
  Vigna nilotica (Delile) Hook. f. -- not accepted
  Vigna oblongifolia A. Rich. -- accepted
  Vigna oblongifolia var. oblongifolia A. Rich. -- accepted
  Vigna ornata Welw. ex Baker -- not accepted
  Vigna owahuensis Vogel -- not accepted -- Oahu cowpea
  Vigna peduncularis (Kunth) Fawc. & Rendle -- accepted -- purple cowpea
  Vigna praecox Verdc. -- accepted
  Vigna radiata (L.) R. Wilczek -- accepted -- mung bean
  Vigna radiata var. radiata (L.) R. Wilczek -- accepted -- mung bean
  Vigna radiata var. sublobata (Roxb.) Verdc. -- accepted -- mung bean
  Vigna repens (L.) Kuntze -- not accepted
  Vigna retusa (E. Mey.) Walp. -- not accepted
  Vigna sandwicensis A. Gray -- not accepted
  Vigna sandwicensis var. heterophylla Rock -- not accepted
  Vigna schimperi Baker -- accepted
  Vigna sesquipedalis (L.) Fruwirth -- not accepted
  Vigna sinensis (L.) Savi ex Hassk. -- not accepted
  Vigna sinensis ssp. sesquipedalis (L.) Van Eselt. -- not accepted
  Vigna sinensis ssp. sinensis (L.) Savi ex Hassk. -- not accepted
  Vigna speciosa (Kunth) Verdc. -- accepted -- wondering cowpea, prairie vetch
  Vigna stuhlmannii Harms -- not accepted
  Vigna subterranea (L.) Verdc. -- accepted -- bambarra groundnut
  Vigna triloba Walp. -- not accepted
  Vigna umbellata (Thunb.) Ohwi & H. Ohashi -- accepted -- rice bean
  Vigna unguiculata (L.) Walp. -- accepted -- blackeyed pea
  Vigna unguiculata ssp. cylindrica (L.) Verdc. -- not accepted -- catjang
  Vigna unguiculata ssp. dekindtiana (Harms) Verdc. -- not accepted -- blackeyed pea
  Vigna unguiculata ssp. sesquipedalis (L.) Verdc. -- not accepted -- yardlong bean
  Vigna unguiculata ssp. stenophylla (Harv.) Maréchal, Mascherpa & Stainier -- not accepted
  Vigna unguiculata ssp. unguiculata (L.) Walp. -- not accepted -- southern pea
  Vigna vexillata (L.) A. Rich. -- accepted -- zombi pea
  Vigna wilmsii Burtt Davy -- not accepted
  Virgilia Poir. -- accepted
  Virgilia divaricata Adamson -- not accepted
  Virgilia oroboides (P.J. Bergius) T.M. Salter -- accepted -- keurboom
  Voandzeia subterranea (L.) DC. -- not accepted
  Wiborgia Thunb. -- accepted
  Wiborgia obcordata (P.J. Bergius) Thunb. -- accepted
  Wisteria Nutt. -- accepted -- wisteria
  Wisteria floribunda (Willd.) DC. -- accepted -- Japanese wisteria
  Wisteria frutescens (L.) Poir. -- accepted -- American wisteria
  Wisteria frutescens var. macrostachya Torr. & A. Gray -- not accepted
  Wisteria macrostachya (Torr. & A. Gray) Nutt. ex B.L. Rob. & Fernald -- not accepted
  Wisteria sinensis (Sims) DC. -- accepted -- Chinese wisteria
  Wisteria X formosa Rehder -- accepted -- Formosa wisteria
  Xiphocarpus candidus (DC.) Hassk. -- not accepted
  Xylophacos argophyllus (Nutt.) Rydb. -- not accepted
  Xylophacos missouriensis (Nutt.) Rydb. -- not accepted
  Zapoteca H.M. Hern. -- accepted -- white stickpea
  Zapoteca caracasana (Jacq.) H.M. Hern. -- accepted
  Zapoteca formosa (Kunth) H.M. Hern. -- accepted -- Schott's stickpea
  Zapoteca formosa var. schottii (Torr. ex S. Watson) H.M. Hern. -- accepted -- Schott's stickpea
  Zapoteca media (M. Martens & Galeotti) H.M. Hern. -- accepted -- Coulter's stickpea
  Zapoteca portoricensis (Jacq.) H.M. Hern. -- accepted -- white stickpea
  Zornia J.F. Gmel. -- accepted
  Zornia bracteata J.F. Gmel. -- accepted -- viperina
  Zornia brasiliensis Vogel -- accepted
  Zornia diphylla auct. non Pers. -- not accepted
  Zornia diphylla var. leptophylla Benth. -- not accepted
  Zornia dyctiocarpa DC. -- accepted
  Zornia gemella Vogel -- accepted -- dos hoja zarzabacoa de dos hojas
  Zornia gibbosa Span. -- accepted
  Zornia latifolia Sm. -- accepted
  Zornia leptophylla (Benth.) Pittier -- accepted -- horsekiller, narrow-leaved viperina
  Zornia reticulata Sm. -- accepted -- neto hoja zarzabacoa de dos hojas, reticulate viperina
   

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