| |
| Kingdom Plantae |
| |
Arnoglossum Raf. -- accepted -- Indian plantain, Indian plaintain, arnoglossum |
| |
Arnoglossum album L.C. Anderson -- accepted -- Bay County Indian plantain |
| |
Arnoglossum atriplicifolium (L.) H. Rob. -- accepted -- pale Indian plantain, pale Indian plaintain |
| |
Arnoglossum diversifolium (Torr. & A. Gray) H. Rob. -- accepted -- variableleaf Indian plantain, variableleaf Indian plaintain |
| |
Arnoglossum floridanum (A. Gray) H. Rob. -- accepted -- Florida cacalia |
| |
Arnoglossum muehlenbergii (Sch. Bip.) H. Rob. -- not accepted -- great Indian plaintain |
| |
Arnoglossum ovatum (Walter) H. Rob. -- accepted -- ovateleaf cacalia |
| |
Arnoglossum plantagineum Raf. -- accepted -- groovestem Indian plantain, arnoglossum |
| |
Arnoglossum reniforme (Hook.) H. Rob. -- accepted -- great Indian plantain |
| |
Arnoglossum sulcatum (Fernald) H. Rob. -- accepted -- Georgia Indian plantain, Georgia Indian plaintain |
| |
Barkleyanthus (Kunth) H. Rob. & Brettell -- accepted -- willow ragwort |
| |
Barkleyanthus salicifolius (Kunth) H. Rob. & Brettell -- accepted -- willow ragwort |
| |
Bethencourtia Choisy -- accepted |
| |
Bethencourtia palmensis (Nees) Choisy -- accepted |
| |
Blennosperma Less. -- accepted -- stickyseed |
| |
Blennosperma bakeri Heiser -- accepted -- Baker's stickyseed, Sonoma sunshine |
| |
Blennosperma nanum (Hook.) S.F. Blake -- accepted -- common stickyseed |
| |
Blennosperma nanum var. nanum (Hook.) S.F. Blake -- accepted -- common stickyseed |
| |
Blennosperma nanum var. robustum J.T. Howell -- accepted -- common stickyseed |
| |
Cacalia atriplicifolia L. -- not accepted |
| |
Cacalia auriculata DC. -- not accepted -- cacalia |
| |
Cacalia auriculata ssp. kamtschatica (Maxim.) Hultén -- not accepted |
| |
Cacalia coccinea Sims -- not accepted |
| |
Cacalia decomposita A. Gray -- not accepted |
| |
Cacalia diversifolia Torr. & A. Gray -- not accepted |
| |
Cacalia elliottii (Harper) Shinners -- not accepted |
| |
Cacalia floridana A. Gray -- not accepted |
| |
Cacalia kamtschatica (Maxim.) Kudo -- not accepted |
| |
Cacalia lanceolata Nutt. -- not accepted |
| |
Cacalia lanceolata var. elliottii (Harper) Kral & R.K. Godfrey -- not accepted |
| |
Cacalia lanceolata var. virescens (Harper) Shinners -- not accepted |
| |
Cacalia muehlenbergii (Sch. Bip.) Fernald -- not accepted |
| |
Cacalia muhlenbergii (Sch. Bip.) Fernald -- not accepted |
| |
Cacalia nardosmia A. Gray -- not accepted |
| |
Cacalia nardosmia var. glabrata (Piper) B. Boivin -- not accepted |
| |
Cacalia ovata Walter -- not accepted |
| |
Cacalia paniculata Raf. -- not accepted |
| |
Cacalia plantaginea (Raf.) Shinners -- not accepted |
| |
Cacalia pteranthes Raf. -- not accepted |
| |
Cacalia reniformis Muhl. ex Willd. non Cacalia reniformis Lam. -- not accepted |
| |
Cacalia rotundifolia (Raf.) House -- not accepted |
| |
Cacalia rugelia (A. Gray) T.M. Barkley & Cronquist -- not accepted |
| |
Cacalia sonchifolia L. -- not accepted |
| |
Cacalia suaveolens L. -- not accepted |
| |
Cacalia sulcata Fernald -- not accepted |
| |
Cacalia tuberosa Nutt. -- not accepted |
| |
Cacaliopsis A. Gray -- accepted -- cacaliopsis |
| |
Cacaliopsis nardosmia (A. Gray) A. Gray -- accepted -- silvercrown |
| |
Cacaliopsis nardosmia var. glabrata Piper -- not accepted |
| |
Cineraria congesta R. Br. -- not accepted |
| |
Cineraria salicifolia Kunth -- not accepted |
| |
Crocidium Hook. -- accepted -- spring-gold |
| |
Crocidium multicaule Hook. -- accepted -- common spring-gold |
| |
Delairea Lem. -- accepted -- Cape-ivy, Cape ivy |
| |
Delairea odorata Lem. -- accepted -- Cape-ivy, Cape ivy, German ivy, Italian ivy |
| |
Doronicum L. -- accepted -- false leopardbane |
| |
Doronicum austriacum Jacq. -- accepted |
| |
Doronicum caucasicum M. Bieb. -- not accepted |
| |
Doronicum cordatum Lam. -- not accepted |
| |
Doronicum orientale Hoffmann -- accepted -- oriental leopard's-bane, oriental false leopardbane |
| |
Doronicum pardalianches L. -- accepted -- great false leopardbane |
| |
Doronicum plantagineum L. -- accepted -- plantain false leopardbane |
| |
Emilia Cass. -- accepted -- tasselflower |
| |
Emilia coccinea (Sims) G. Don -- accepted -- scarlet tasselflower |
| |
Emilia fosbergii Nicolson -- accepted -- Florida tasselflower |
| |
Emilia javanica (Burm. f.) C.B. Rob. -- not accepted |
| |
Emilia sonchifolia (L) DC -- accepted -- lilac tasselflower |
| |
Emilia sonchifolia var. javanica (Burm. f.) Mattf. -- not accepted -- lilac tasselflower |
| |
Emilia sonchifolia var. sonchifolia (L) DC -- not accepted -- lilac tasselflower |
| |
Erechtites Raf. -- accepted -- burnweed |
| |
Erechtites agrestis (Sw.) Standl. & Steyerm. -- not accepted |
| |
Erechtites arguta (A. Rich.) DC. -- not accepted |
| |
Erechtites cacalioides (Spreng.) Less. -- not accepted |
| |
Erechtites glomerata (Desf. ex Poir.) DC. -- not accepted -- Australian fireweed, cutleaf burnweed |
| |
Erechtites hieracifolia (L.) Raf. ex DC. -- not accepted -- burnweed |
| |
Erechtites hieraciifolia (L.) Raf. ex DC. -- not accepted -- American burnweed |
| |
Erechtites hieraciifolia var. cacalioides (Fisch. ex Spreng.) Less. ex Griseb. -- not accepted -- American burnweed |
| |
Erechtites hieraciifolia var. hieraciifolia (L.) Raf. ex DC. -- not accepted -- American burnweed |
| |
Erechtites hieraciifolia var. intermedia Fernald -- not accepted |
| |
Erechtites hieraciifolia var. megalocarpa (Fernald) Cronquist -- not accepted -- American burnweed |
| |
Erechtites hieraciifolia var. praealta (Raf.) Fernald -- not accepted |
| |
Erechtites hieraciifolius (L.) Raf. ex DC. -- accepted -- American burnweed, burnweed |
| |
Erechtites hieraciifolius var. cacalioides (Fisch. ex Spreng.) Less. ex Griseb. -- not accepted |
| |
Erechtites hieraciifolius var. hieraciifolius (L.) Raf. ex DC. -- accepted -- American burnweed |
| |
Erechtites hieraciifolius var. megalocarpa (Fernald) Cronquist -- accepted -- American burnweed |
| |
Erechtites megalocarpa Fernald -- not accepted |
| |
Erechtites minima (Poir.) DC. -- not accepted -- Australian fireweed, coastal burnweed |
| |
Erechtites minimus (Poir.) DC. -- accepted -- coastal burnweed |
| |
Erechtites prenanthoides (A. Rich.) DC. -- not accepted |
| |
Erechtites valerianifolia (Link ex Spreng.) DC. -- accepted -- tropical burnweed |
| |
Gynura Cass. -- accepted -- gynura |
| |
Gynura aurantiaca (Blume) DC. -- accepted -- velvetplant |
| |
Hasteola Raf. -- accepted -- false Indian plantain, false Indian plaintain |
| |
Hasteola robertiorum L.C. Anderson -- accepted -- hammockherb |
| |
Hasteola suaveolens (L.) Pojark. -- not accepted |
| |
Jacobaea Burm. -- accepted |
| |
Jacobaea aquatica (Hill) P. Gaertn., B. Mey. & Scherb. -- accepted -- water ragwort |
| |
Jacobaea aquatica var. aquatica (Hill) P. Gaertn., B. Mey. & Scherb. -- accepted |
| |
Jacobaea aquatica var. erratica (Bertol.) Pelser & Meijden -- accepted |
| |
Jacobaea cannabifolia (Less.) E. Wiebe -- accepted -- Aleutian ragwort |
| |
Jacobaea erucifolia (L.) P. Gaertn., B. Mey. & Scherb. -- accepted -- hoary ragwort |
| |
Jacobaea maritima (L.) Pelser & Meijden -- accepted -- silver ragwort, dusty miller |
| |
Jacobaea vulgaris Gaertn. -- accepted -- stinking willie |
| |
Koyamacalia auriculata (DC.) H. Rob. & Brettell -- not accepted -- koyamacalia |
| |
Lepidospartum (A. Gray) A. Gray -- accepted -- broomsage |
| |
Lepidospartum burgessii B.L. Turner -- accepted -- Burgess' broomsage |
| |
Lepidospartum latisquamum S. Watson -- accepted -- Nevada broomsage |
| |
Lepidospartum squamatum (A. Gray) A. Gray -- accepted -- California broomsage, California scalebroom |
| |
Lepidospartum squamatum var. palmeri (A. Gray) L.C. Wheeler -- not accepted |
| |
Ligularia Cass. -- accepted |
| |
Ligularia amplectens (A. Gray) W.A. Weber -- not accepted |
| |
Ligularia amplectens var. holmii (Greene) Dorn -- not accepted |
| |
Ligularia bigelovii (A. Gray) W.A. Weber -- not accepted |
| |
Ligularia bigelovii var. hallii (A. Gray) W.A. Weber -- not accepted |
| |
Ligularia clivorum Maxim. -- not accepted |
| |
Ligularia dentata (A. Gray) H. Hara -- accepted -- summer ragwort |
| |
Ligularia holmii (Greene) W.A. Weber -- not accepted |
| |
Ligularia porteri (Greene) W.A. Weber -- not accepted |
| |
Ligularia pudica (Greene) W.A. Weber -- not accepted |
| |
Ligularia soldanella (A. Gray) W.A. Weber -- not accepted |
| |
Ligularia taraxacoides (A. Gray) W.A. Weber -- not accepted |
| |
Ligularia websteri (Greenm.) W.A. Weber -- not accepted |
| |
Luina nardosmia (A. Gray) Cronquist -- not accepted |
| |
Luina nardosmia var. glabrata (Piper) Cronquist -- not accepted |
| |
Luina stricta (Greene) B.L. Rob. -- not accepted |
| |
Mesadenia atriplicifolia (L.) Raf. -- not accepted |
| |
Mesadenia diversifolia (Torr. & A. Gray) Greene -- not accepted |
| |
Mesadenia elliottii Harper -- not accepted |
| |
Mesadenia floridana (A. Gray) Greene -- not accepted |
| |
Mesadenia lanceolata (Nutt.) Raf. -- not accepted |
| |
Mesadenia lanceolata var. virescens Harper -- not accepted |
| |
Mesadenia maxima Harper -- not accepted |
| |
Mesadenia reniformis (Hook.) Raf. -- not accepted |
| |
Mesadenia sulcata (Fernald) Harper -- not accepted |
| |
Mesadenia tuberosa (Nutt.) Britton -- not accepted |
| |
Nardosmia arctica (A.E. Porsild) A. Löve & D. Löve -- not accepted |
| |
Nardosmia japonica Siebold & Zucc. -- not accepted |
| |
Nardosmia vitifolia (Greene) A. Löve & D. Löve -- not accepted |
| |
Odontotrichum decompositum (A. Gray) Rydb. -- not accepted |
| |
Packera Á. Löve & D. Löve -- accepted -- ragwort |
| |
Packera actinella (Greene) W.A. Weber & A. Löve -- not accepted |
| |
Packera anonyma (Alph. Wood) W.A. Weber & Á. Löve -- accepted -- Small's ragwort |
| |
Packera antennariifolia (Britton) W.A. Weber & Á. Löve -- accepted -- shale barren ragwort, shalebarren ragwort |
| |
Packera aurea (L.) Á. Löve & D. Löve -- accepted -- golden ragwort |
| |
Packera bernardina (Greene) W.A. Weber & Á. Löve -- accepted -- San Bernardino ragwort |
| |
Packera bolanderi (A. Gray) W.A. Weber & Á. Löve -- accepted -- Bolander's ragwort |
| |
Packera bolanderi var. bolanderi (A. Gray) W.A. Weber & Á. Löve -- accepted -- Bolander's ragwort |
| |
Packera bolanderi var. harfordii (Greenm.) D.K. Trock & T.M. Barkley -- accepted -- Harford's ragwort |
| |
Packera breweri (Burtt Davy) W.A. Weber & Á. Löve -- accepted -- Brewer's ragwort |
| |
Packera buekii D.K. Trock & T.M. Barkley -- not accepted |
| |
Packera cana (Hook.) W.A. Weber & Á. Löve -- accepted -- woolly groundsel |
| |
Packera cardamine (Greene) W.A. Weber & Á. Löve -- accepted -- bittercress ragwort |
| |
Packera castoreus (S.L. Welsh) Kartesz -- accepted -- Beaver Mountain ragwort |
| |
Packera clevelandii (Greene) W.A. Weber & Á. Löve -- accepted -- Cleveland's ragwort |
| |
Packera contermina (Greenm.) J.F. Bain -- accepted -- northwestern groundsel |
| |
Packera crocata (Rydb.) W.A. Weber & Á. Löve -- accepted -- saffron ragwort |
| |
Packera cymbalaria (Pursh) W.A. Weber & Á. Löve -- accepted -- dwarf arctic ragwort |
| |
Packera cymbalarioides (Nutt.) W.A. Weber & Á. Löve -- not accepted -- cleftleaf groundsel |
| |
Packera cynthioides (Greene) W.A. Weber & Á. Löve -- accepted -- White Mountain ragwort |
| |
Packera debilis (Nutt.) W.A. Weber & Á. Löve -- accepted -- weak groundsel |
| |
Packera dimorphophylla (Greene) W.A. Weber & Á. Löve -- accepted -- splitleaf groundsel |
| |
Packera dimorphophylla ssp. dimorphophylla (Greene) W.A. Weber & Á. Löve -- not accepted -- splitleaf groundsel |
| |
Packera dimorphophylla ssp. intermedia (T.M. Barkley) W.A. Weber & Á. Löve -- not accepted |
| |
Packera dimorphophylla var. dimorphophylla (Greene) W.A. Weber & Á. Löve -- accepted -- splitleaf groundsel |
| |
Packera dimorphophylla var. intermedia (T.M. Barkley) D.K. Trock & T.M. Barkley -- accepted -- splitleaf groundsel |
| |
Packera dimorphophylla var. paysonii (T.M. Barkley) D.K. Trock & T.M. Barkley -- accepted -- Payson's groundsel |
| |
Packera eurycephala (Torr. & A. Gray) W.A. Weber & Á. Löve -- accepted -- widehead groundsel |
| |
Packera eurycephala var. eurycephala (Torr. & A. Gray) W.A. Weber & Á. Löve -- accepted -- widehead groundsel |
| |
Packera eurycephala var. lewisrosei (J.T. Howell) J.F. Bain -- accepted -- Lewis' groundsel |
| |
Packera fendleri (A. Gray) W.A. Weber & Á. Löve -- accepted -- Fendler's ragwort |
| |
Packera fernaldii (Greenm.) Á. Löve & D. Löve -- not accepted |
| |
Packera flettii (Wiegand) W.A. Weber & Á. Löve -- accepted -- Flett's ragwort |
| |
Packera franciscana (Greene) W.A. Weber & Á. Löve -- accepted -- San Francisco Peaks ragwort |
| |
Packera ganderi (T.M. Barkley & R.M. Beauch.) W.A. Weber & Á. Löve -- accepted -- Gander's ragwort |
| |
Packera glabella (Poir.) C. Jeffrey -- accepted -- butterweed |
| |
Packera greenei (A. Gray) W.A. Weber & Á. Löve -- accepted -- flame ragwort |
| |
Packera hartiana (A. Heller) W.A. Weber & Á. Löve -- accepted -- Hart's ragwort, Mogollon Mountain ragwort |
| |
Packera hesperia (Greene) W.A. Weber & Á. Löve -- accepted -- western ragwort |
| |
Packera hyperborealis (Greenm.) Á. Löve & D. Löve -- accepted -- northern groundsel |
| |
Packera indecora (Greene) Á. Löve & D. Löve -- accepted -- elegant groundsel |
| |
Packera ionophylla (Greene) W.A. Weber & Á. Löve -- accepted -- Tehachapi ragwort |
| |
Packera layneae (Greene) W.A. Weber & Á. Löve -- accepted -- Layne's ragwort |
| |
Packera macounii (Greene) W.A. Weber & Á. Löve -- accepted -- Siskiyou Mountain ragwort |
| |
Packera malmstenii (S.F. Blake ex Tidestr.) Kartesz -- accepted -- Podunk ragwort |
| |
Packera millefolia (Torr. & A. Gray) W.A. Weber & Á. Löve -- accepted -- piedmont ragwort |
| |
Packera millelobata (Rydb.) W.A. Weber & Á. Löve -- accepted -- Uinta ragwort |
| |
Packera moresbiensis (Calder & Roy L. Taylor) J.F. Bain -- not accepted |
| |
Packera multilobata (Torr. & A. Gray ex A. Gray) W.A. Weber & Á. Löve -- accepted -- lobeleaf groundsel |
| |
Packera musiniensis (S.L. Welsh) Trock -- accepted -- Musinea ragwort |
| |
Packera neomexicana (A. Gray) W.A. Weber & Á. Löve -- accepted -- New Mexico groundsel |
| |
Packera neomexicana var. metcalfei (Greene) D.K. Trock & T.M. Barkley -- not accepted -- Metcalf's groundsel |
| |
Packera neomexicana var. mutabilis (Greene) W.A. Weber & Á. Löve -- accepted -- New Mexico groundsel, Metcalf's groundsel |
| |
Packera neomexicana var. neomexicana (A. Gray) W.A. Weber & Á. Löve -- accepted -- New Mexico groundsel |
| |
Packera neomexicana var. toumeyi (Greene) D.K. Trock & T.M. Barkley -- accepted -- Toumey's groundsel |
| |
Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve -- accepted -- roundleaf ragwort |
| |
Packera ogotorukensis (Packer) Á. Löve & D. Löve -- accepted -- Ogotoruk Creek ragwort |
| |
Packera oodes (Rydb.) W.A. Weber -- not accepted |
| |
Packera pauciflora (Pursh) Á. Löve & D. Löve -- accepted -- alpine groundsel |
| |
Packera paupercula (Michx.) Á. Löve & D. Löve -- accepted -- balsam groundsel |
| |
Packera plattensis (Nutt.) W.A. Weber & Á. Löve -- accepted -- prairie groundsel |
| |
Packera porteri (Greene) C. Jeffrey -- accepted -- Porter's groundsel |
| |
Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve -- accepted -- falsegold groundsel |
| |
Packera pseudaurea ssp. flavula (Greene) W.A. Weber & Á. Löve -- not accepted |
| |
Packera pseudaurea var. flavula (Greene) D.K. Trock & T.M. Barkley -- accepted -- falsegold groundsel |
| |
Packera pseudaurea var. pseudaurea (Rydb.) W.A. Weber & Á. Löve -- accepted -- falsegold groundsel |
| |
Packera pseudaurea var. semicordata (Mack. & Bush) D.K. Trock & T.M. Barkley -- accepted -- falsegold groundsel |
| |
Packera quaerens (Greene) W.A. Weber & Á. Löve -- not accepted -- Mogollon Mountain ragwort |
| |
Packera quercetorum (Greene) C. Jeffrey -- accepted -- Oak Creek ragwort |
| |
Packera resedifolia (Less.) Á. Löve & D. Löve -- not accepted |
| |
Packera sanguisorboides (Rydb.) W.A. Weber & Á. Löve -- accepted -- burnet ragwort |
| |
Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve -- accepted -- Schweinitz's ragwort |
| |
Packera spellenbergii (T.M. Barkley) C. Jeffrey -- accepted -- Carrizo Creek ragwort |
| |
Packera streptanthifolia (Greene) W.A. Weber & Á. Löve -- accepted -- Rocky Mountain groundsel, cleftleaf groundsel |
| |
Packera streptanthifolia var. rubricaulis (Greene) Dorn -- not accepted |
| |
Packera streptanthifolia var. streptanthifolia (Greene) W.A. Weber & Á. Löve -- not accepted |
| |
Packera subnuda (DC.) D.K. Trock & T.M. Barkley -- accepted -- Buek's groundsel |
| |
Packera subnuda var. moresbiensis (Calder & Roy L. Taylor) Trock -- accepted -- cleftleaf ragwort |
| |
Packera subnuda var. subnuda (DC.) D.K. Trock & T.M. Barkley -- accepted |
| |
Packera tampicana (DC.) C. Jeffrey -- accepted -- Great Plains ragwort |
| |
Packera texana O'Kennon & Trock -- accepted |
| |
Packera tomentosa (Michx.) C. Jeffrey -- accepted -- woolly ragwort |
| |
Packera tridenticulata (Rydb.) W.A. Weber & Á. Löve -- accepted -- threetooth ragwort |
| |
Packera werneriifolia (A. Gray) W.A. Weber & Á. Löve -- accepted -- hoary groundsel |
| |
Packera werneriifolia var. alpina (A. Gray) Dorn -- not accepted |
| |
Parasenecio W.W. Sm. & Small -- accepted -- Indian plantain |
| |
Parasenecio auriculata (DC.) J.R. Grant -- accepted -- eared Indian plantain |
| |
Pericallis Webb -- accepted -- ragwort |
| |
Pericallis cuneata (L'Hér.) Bolle -- not accepted -- common ragwort |
| |
Pericallis cuneata (DC.) Webb & Bethel. non (Roth) Webb & Bethel. -- not accepted |
| |
Pericallis hybrida B. Nord. -- accepted -- common ragwort |
| |
Pericallis murrayi (Bornm.) B. Nord. -- accepted |
| |
Pericallis webbii (Sch. Bip.) Bolle -- accepted |
| |
Petasites Mill. -- accepted -- butterbur |
| |
Petasites alaskanus Rydb. -- not accepted |
| |
Petasites arcticus A.E. Porsild -- not accepted |
| |
Petasites corymbosus (R. Br.) Rydb. -- not accepted |
| |
Petasites dentatus Blank. -- not accepted |
| |
Petasites frigidus (L.) Fr. -- accepted -- arctic sweet coltsfoot, arctic sweet-colt's-foot |
| |
Petasites frigidus ssp. arcticus (A.E. Porsild) Cody -- not accepted |
| |
Petasites frigidus ssp. nivalis (Greene) Cody -- not accepted |
| |
Petasites frigidus ssp. palmatus (Aiton) Cody -- not accepted |
| |
Petasites frigidus var. corymbosus (R. Br.) Cronquist -- not accepted |
| |
Petasites frigidus var. frigidus (L.) Fr. -- accepted -- arctic sweet coltsfoot |
| |
Petasites frigidus var. hyperboreoides Hultén -- not accepted |
| |
Petasites frigidus var. nivalis (Greene) Cronquist -- not accepted -- arctic sweet coltsfoot |
| |
Petasites frigidus var. palmatus (Aiton) Cronquist -- accepted -- arctic sweet coltsfoot, arctic sweet-colt's-foot |
| |
Petasites frigidus var. sagittatus (Banks ex Pursh) Chern. -- accepted -- arrowleaf sweet coltsfoot |
| |
Petasites frigidus var. vitifolius (Greene) Chern. -- accepted |
| |
Petasites gracilis Britton -- not accepted |
| |
Petasites hookerianus (Nutt.) Rydb. -- not accepted |
| |
Petasites hybridus (L.) G. Gaertn., B. Mey. & Scherb. -- accepted -- pestilence wort |
| |
Petasites hyperboreus Rydb. -- not accepted |
| |
Petasites japonicus (Siebold & Zucc.) Maxim. -- accepted -- Japanese sweet coltsfoot |
| |
Petasites nivalis Greene -- not accepted |
| |
Petasites nivalis ssp. vitifolius (Greene) Toman -- not accepted |
| |
Petasites officinalis Moench -- not accepted |
| |
Petasites palmatus (Aiton) A. Gray -- not accepted |
| |
Petasites palmatus var. frigidus Macoun -- not accepted |
| |
Petasites sagittatus (Banks ex Pursh) A. Gray -- not accepted -- arrow butterbur, arrow-leaf sweet-colt's-foot, arrowleaf sweet coltsfoot |
| |
Petasites speciosus (Nutt.) Piper -- not accepted |
| |
Petasites trigonophylla Greene -- not accepted |
| |
Petasites vulgaris Hill -- not accepted |
| |
Petasites warrenii H. St. John -- not accepted |
| |
Petasites X vitifolius Greene (pro sp.) -- not accepted -- sweet coltsfoot |
| |
Psacalium Cass. -- accepted -- Indianbush, psacalium |
| |
Psacalium decompositum (A. Gray) H. Rob. & Brettell -- accepted -- desert Indianbush, psacalium |
| |
Pseudogynoxys (Greenm.) Cabrera -- accepted -- pseudogynoxys |
| |
Pseudogynoxys chenopodioides (Kunth) Cabrera -- accepted -- Mexican flamevine |
| |
Rainiera Greene -- accepted -- rainiera |
| |
Rainiera stricta (Greene) Greene -- accepted -- false silverback |
| |
Roldana Llave ex Lex. -- accepted -- groundsel |
| |
Roldana carlomasonii (B.L. Turner & T.M. Barkley) C. Jeffrey -- not accepted |
| |
Roldana hartwegii (Benth.) H. Rob. & Brettell -- accepted -- Hartweg's groundsel |
| |
Roldana petasitis (Sims) H. Rob. & Brettell -- accepted -- velvet groundsel, California geranium |
| |
Rugelia Shuttlw. ex Chapm. -- accepted -- Rugel's Indianplantain |
| |
Rugelia nudicaulis Shuttlw. ex Chapm. -- accepted -- Rugel's Indianplantain |
| |
Senecio L. -- accepted -- ragwort, groundsel |
| |
Senecio actinella Greene -- accepted -- Flagstaff ragwort |
| |
Senecio actinella var. mogollonicus (Greene) Greenm. -- not accepted |
| |
Senecio acutidens Rydb. -- not accepted |
| |
Senecio adamsii Howell -- not accepted |
| |
Senecio admirabilis Greene -- not accepted |
| |
Senecio alabamensis Britton ex Small -- not accepted |
| |
Senecio alaskanus Hultén -- not accepted |
| |
Senecio ambrosioides Rydb. -- not accepted |
| |
Senecio amplectens A. Gray -- accepted -- showy alpine ragwort, showy alpine groundsel, alpine groundsel |
| |
Senecio amplectens var. amplectens A. Gray -- accepted -- showy alpine ragwort |
| |
Senecio amplectens var. holmii (Greene) H.D. Harr. -- accepted -- Holm's ragwort, Holm's groundsel |
| |
Senecio amplectens var. taraxacoides A. Gray -- not accepted |
| |
Senecio ampullaceus Hook. -- accepted -- Texas ragwort |
| |
Senecio anonymus Alph. Wood -- not accepted -- Small's ragwort |
| |
Senecio antennariifolius Britton -- not accepted -- shalebarren ragwort |
| |
Senecio aphanactis Greene -- accepted -- chaparral ragwort |
| |
Senecio aquaticus Hill -- not accepted |
| |
Senecio aquaticus ssp. barbareifolius (Wimm. & Grab.) S.M. Walters -- not accepted |
| |
Senecio argutus A. Rich. -- not accepted |
| |
Senecio arizonicus Greene -- accepted -- Arizona ragwort |
| |
Senecio aronicoides DC. -- accepted -- rayless ragwort |
| |
Senecio astephanus Greene -- accepted -- San Gabriel ragwort |
| |
Senecio atratus Greene -- accepted -- tall blacktip ragwort |
| |
Senecio atropurpureus (Ledeb.) Fedtsch. -- not accepted -- arctic senecio |
| |
Senecio atropurpureus ssp. frigidus (Richardson) Hultén -- not accepted |
| |
Senecio atropurpureus ssp. tomentosus (Kjellm.) Hultén -- not accepted |
| |
Senecio atropurpureus var. dentatus (A. Gray) Hultén -- not accepted |
| |
Senecio atropurpureus var. ulmeri (Steffen) A.E. Porsild -- not accepted |
| |
Senecio aureus L. -- not accepted -- golden ragwort |
| |
Senecio aureus var. aquilonius Fernald -- not accepted |
| |
Senecio aureus var. borealis Torr. & A. Gray -- not accepted |
| |
Senecio aureus var. gracilis (Pursh) Hook. -- not accepted |
| |
Senecio aureus var. intercursus Fernald -- not accepted |
| |
Senecio aureus var. semicordatus (Mack. & Bush) Greenm. -- not accepted |
| |
Senecio aureus var. werneriifolius A. Gray -- not accepted |
| |
Senecio balsamitae Muhl. ex Willd. -- not accepted |
| |
Senecio bernardinus Greene -- not accepted -- San Bernardino ragwort |
| |
Senecio bicolor (Willd.) Todaro -- not accepted -- silver ragwort |
| |
Senecio bicolor ssp. cineraria (DC.) Chater -- not accepted -- silver ragwort |
| |
Senecio bigelovii A. Gray -- accepted -- nodding ragwort |
| |
Senecio bigelovii var. bigelovii A. Gray -- accepted -- nodding ragwort, Bigelow ragwort, Bigelow's ragwort |
| |
Senecio bigelovii var. hallii A. Gray -- accepted -- Hall's ragwort |
| |
Senecio bivestitus Cronquist -- not accepted |
| |
Senecio blitoides Greene -- not accepted |
| |
Senecio blochmaniae Greene -- accepted -- dune ragwort |
| |
Senecio bolanderi A. Gray -- not accepted -- Bolander's ragwort |
| |
Senecio bolanderi var. bolanderi A. Gray -- not accepted -- Bolander's ragwort |
| |
Senecio bolanderi var. harfordii (Greenm.) T.M. Barkley -- not accepted -- Harford's ragwort |
| |
Senecio breweri Burtt Davy -- not accepted -- Brewer's ragwort |
| |
Senecio cacalioides Fisch. ex Spreng. -- not accepted |
| |
Senecio californicus DC. -- accepted -- California ragwort |
| |
Senecio cannabifolius Less. -- not accepted -- Aleutian ragwort |
| |
Senecio cannabinifolius Hook. & Arn. -- accepted -- hempleaf ragwort |
| |
Senecio canus Hook. -- not accepted -- woolly groundsel |
| |
Senecio cardamine Greene -- not accepted -- bittercress ragwort |
| |
Senecio carlomasonii B.L. Turner & T.M. Barkley -- not accepted -- Carl Mason's ragwort |
| |
Senecio carthamoides Greene -- not accepted |
| |
Senecio castoreus S.L. Welsh -- not accepted |
| |
Senecio cernuus A. Gray non L. f. -- not accepted |
| |
Senecio cineraria DC. -- not accepted |
| |
Senecio clarkianus A. Gray -- accepted -- Clark's ragwort |
| |
Senecio cleavelandii Greene -- not accepted |
| |
Senecio clevelandii Greene -- not accepted -- Cleveland's ragwort |
| |
Senecio clevelandii var. heterophyllus Hoover -- not accepted |
| |
Senecio clivorum Maxim. -- not accepted -- summer ragwort |
| |
Senecio columbianus Greene -- not accepted |
| |
Senecio confusus Britten -- not accepted |
| |
Senecio congestus (R. Br.) DC. -- not accepted -- marsh fleabane, clustered marsh ragwort |
| |
Senecio congestus ssp. tonsus (Fernald) Á. Löve & D. Löve -- not accepted |
| |
Senecio congestus var. palustris (L.) Fernald -- not accepted |
| |
Senecio congestus var. tonsus Fernald -- not accepted |
| |
Senecio conterminus Greenm. -- not accepted -- senecio |
| |
Senecio convallium Greenm. -- not accepted |
| |
Senecio covillei Greene -- not accepted |
| |
Senecio covillei var. scorzonella (Greene) Jeps. -- not accepted |
| |
Senecio crassulus A. Gray -- accepted -- thickleaf ragwort, thickleaf groundsel, meadow groundsel |
| |
Senecio crassulus var. cusickii (Piper) Greenm. -- not accepted |
| |
Senecio crawfordii Britton -- not accepted |
| |
Senecio crepidineus Greene -- not accepted |
| |
Senecio crocatus Rydb. -- not accepted -- saffron ragwort |
| |
Senecio crocatus var. wolfii Greenm. -- not accepted |
| |
Senecio cruentus DC. -- not accepted |
| |
Senecio cymbalaria Pursh -- not accepted -- dwarf arctic ragwort, dwarf arctic groundsel, séneçon fausse-cymbalaire |
| |
Senecio cymbalarioides Nutt. non Senecio cymbalarioides H. Buek -- not accepted -- cleftleaf groundsel |
| |
Senecio cymbalarioides H. Buek -- not accepted |
| |
Senecio cymbalarioides ssp. moresbiensis Calder & Roy L. Taylor -- not accepted |
| |
Senecio cymbalarioides var. borealis (Torr. & A. Gray) Greenm. -- not accepted |
| |
Senecio cymbalarioides var. suksdorfii (Greenm.) M. Peck -- not accepted |
| |
Senecio cynthioides Greene -- not accepted -- White Mountain ragwort |
| |
Senecio debilis Nutt. -- not accepted -- weak groundsel |
| |
Senecio densus Greene -- not accepted |
| |
Senecio dimorphophyllus Greene -- not accepted -- splitleaf groundsel |
| |
Senecio dimorphophyllus var. dimorphophyllus Greene -- not accepted -- splitleaf groundsel |
| |
Senecio dimorphophyllus var. intermedius T.M. Barkley -- not accepted -- splitleaf groundsel |
| |
Senecio dimorphophyllus var. paysonii T.M. Barkley -- not accepted -- Payson's groundsel |
| |
Senecio discoideus (Hook.) Britton -- not accepted |
| |
Senecio douglasii DC. -- not accepted |
| |
Senecio douglasii ssp. longilobus (Benth.) W.A. Weber -- not accepted |
| |
Senecio douglasii var. jamesii (Torr. & A. Gray) Ediger ex Correll & M.C. Johnst. -- not accepted |
| |
Senecio douglasii var. longilobus (Benth.) L.D. Benson -- not accepted |
| |
Senecio douglasii var. monoensis (Greene) Jeps. -- not accepted |
| |
Senecio douglasii var. tularensis Munz -- not accepted |
| |
Senecio elegans L. -- accepted -- redpurple ragwort |
| |
Senecio elmeri Piper -- accepted -- Elmer's ragwort |
| |
Senecio eremophilus Richardson -- accepted -- desert ragwort, desert groundsel |
| |
Senecio eremophilus ssp. kingii (Rydb.) G.W. Douglas & G. Ruyle-Douglas -- not accepted |
| |
Senecio eremophilus ssp. macdougalii (A. Heller) G.W. Douglas & G. Ruyle-Douglas -- not accepted |
| |
Senecio eremophilus var. eremophilus Richardson -- accepted -- desert ragwort |
| |
Senecio eremophilus var. kingii (Rydb.) Greenm. -- accepted -- King's ragwort, King's groundsel, ragwort groundsel |
| |
Senecio eremophilus var. macdougalii (A. Heller) Cronquist -- accepted -- MacDougal's ragwort, MacDougal's groundsel |
| |
Senecio erraticus Bertol. -- not accepted |
| |
Senecio ertterae T.M. Barkley -- accepted -- Ertter's ragwort |
| |
Senecio erucifolius L. -- not accepted -- hoary ragwort |
| |
Senecio eurycephalus Torr. & A. Gray -- not accepted -- widehead groundsel |
| |
Senecio eurycephalus var. eurycephalus Torr. & A. Gray -- not accepted -- Siskiyou ragwort |
| |
Senecio eurycephalus var. lewisrosei (J.T. Howell) T.M. Barkley -- not accepted -- Lewis' groundsel |
| |
Senecio eurypterus Greenm. -- not accepted |
| |
Senecio exaltatus Nutt. -- not accepted |
| |
Senecio fedifolius Rydb. -- not accepted |
| |
Senecio fendleri A. Gray -- not accepted -- Fendler's ragwort |
| |
Senecio fendleri var. lanatus Osterh. -- not accepted |
| |
Senecio filifolius Nutt. non P.J. Bergius -- not accepted |
| |
Senecio flaccidus Less. -- accepted -- threadleaf ragwort, threadleaf groundsel |
| |
Senecio flaccidus var. douglasii (DC.) B.L. Turner & T.M. Barkley -- accepted -- Douglas' ragwort, Douglas' senecio, Douglas' groundsel |
| |
Senecio flaccidus var. flaccidus Less. -- accepted -- threadleaf ragwort, threadleaf groundsel |
| |
Senecio flaccidus var. monoensis (Greene) B.L. Turner & T.M. Barkley -- accepted -- Mono ragwort, green groundsel, Mono groundsel |
| |
Senecio flavulus Greene -- not accepted |
| |
Senecio flettii Wiegand -- not accepted -- Flett's ragwort |
| |
Senecio foetidus J.T. Howell -- not accepted |
| |
Senecio foetidus var. hydrophiloides (Rydb.) T.M. Barkley ex Cronquist -- not accepted |
| |
Senecio franciscanus Greene -- not accepted -- San Francisco Peaks ragwort, San Francisco Peaks groundsel |
| |
Senecio fremontii Torr. & A. Gray -- accepted -- dwarf mountain ragwort, Fremont's groundsel |
| |
Senecio fremontii ssp. blitoides (Greene) W.A. Weber -- not accepted |
| |
Senecio fremontii ssp. occidentalis (A. Gray) G.W. Douglas & G. Ruyle-Douglas -- not accepted |
| |
Senecio fremontii var. blitoides (Greene) Cronquist -- accepted -- dwarf mountain ragwort |
| |
Senecio fremontii var. fremontii Torr. & A. Gray -- accepted -- dwarf mountain ragwort |
| |
Senecio fremontii var. inexpectatus Cronquist -- accepted -- dwarf mountain ragwort |
| |
Senecio fremontii var. occidentalis A. Gray -- accepted -- dwarf mountain ragwort, western groundsel |
| |
Senecio frigidus (Richardson) Less. -- not accepted |
| |
Senecio fulgens Rydb. -- not accepted |
| |
Senecio fuscatus auct. non Hayek -- not accepted -- fuscatus groundsel |
| |
Senecio ganderi T.M. Barkley & R.M. Beauch. -- not accepted -- Gander's ragwort |
| |
Senecio gaspensis Greenm. -- not accepted |
| |
Senecio gaspensis var. firmifolius (Greenm.) Fernald -- not accepted |
| |
Senecio gibbsonsii Greene -- not accepted |
| |
Senecio glabellus Poir. -- not accepted -- butterweed, cressleaf, cressleaf groundsel |
| |
Senecio glaucifolius Rydb. -- not accepted |
| |
Senecio glomeratus Desf. ex Poir. -- accepted -- cutleaf burnweed |
| |
Senecio gracilis Pursh -- not accepted |
| |
Senecio greenei A. Gray -- not accepted -- flame ragwort |
| |
Senecio greggii Rydb. -- not accepted |
| |
Senecio hallii Britton -- not accepted |
| |
Senecio hallii var. discoidea W.A. Weber -- not accepted |
| |
Senecio harbourii Rydb. -- not accepted |
| |
Senecio harfordii Greenm. -- not accepted |
| |
Senecio hartianus A. Heller -- not accepted -- Hart's ragwort |
| |
Senecio hartwegii Benth. -- not accepted |
| |
Senecio hesperius Greene -- not accepted -- western ragwort |
| |
Senecio heterodoxus Greene ex Rydb. -- not accepted |
| |
Senecio hieraciifolia L. -- not accepted |
| |
Senecio hieraciifolius L. -- not accepted |
| |
Senecio holmii Greene -- not accepted |
| |
Senecio hookeri Torr. & A. Gray -- not accepted |
| |
Senecio howellii Greene -- not accepted |
| |
Senecio huachucanus A. Gray -- not accepted |
| |
Senecio hybridus (Willd.) Regel -- not accepted |
| |
Senecio hydrophiloides Rydb. -- accepted -- tall groundsel |
| |
Senecio hydrophilus Nutt. -- accepted -- water ragwort, water groundsel, alkali marsh groundsel |
| |
Senecio hyperborealis Greenm. -- not accepted -- northern groundsel |
| |
Senecio imparipinnatus Klatt -- not accepted |
| |
Senecio indecorus Greene -- not accepted -- elegant groundsel |
| |
Senecio integerrimus Nutt. -- accepted -- lambstongue ragwort, lamb-tongue ragwort, lambstongue groundsel |
| |
Senecio integerrimus var. exaltatus (Nutt.) Cronquist -- accepted -- Columbia ragwort, Columbia groundsel |
| |
Senecio integerrimus var. integerrimus Nutt. -- accepted -- lambstongue ragwort |
| |
Senecio integerrimus var. lugens (Richardson) B. Boivin -- not accepted |
| |
Senecio integerrimus var. major (A. Gray) Cronquist -- accepted -- lambstongue ragwort, lambstongue groundsel |
| |
Senecio integerrimus var. ochroleucus (A. Gray) Cronquist -- accepted -- paleyellow ragwort |
| |
Senecio integerrimus var. scribneri (Rydb.) T.M. Barkley -- accepted -- Scribner's ragwort |
| |
Senecio integerrimus var. vaseyi (Greenm.) Cronquist -- not accepted |
| |
Senecio integrifolius (L.) Clairv. -- not accepted |
| |
Senecio ionophyllus Greene -- not accepted -- Tehachapi ragwort |
| |
Senecio ionophyllus var. sparsilobatus (Parish) H.M. Hall -- not accepted |
| |
Senecio jacobaea L. -- not accepted -- stinking willie, tansy ragwort, ragwort |
| |
Senecio jonesii Rydb. -- not accepted |
| |
Senecio kingii Rydb. -- not accepted |
| |
Senecio kjellmanii A.E. Porsild -- not accepted |
| |
Senecio laetiflorus Greene -- not accepted |
| |
Senecio layneae Greene -- not accepted -- Layne's ragwort, Layne's butterweed |
| |
Senecio lemmonii A. Gray -- accepted -- Lemmon's ragwort, Lemmon's groundsel |
| |
Senecio leonardii Rydb. -- not accepted |
| |
Senecio lewisrosei J.T. Howell -- not accepted |
| |
Senecio ligulifolius Greene -- not accepted |
| |
Senecio lindstroemii (Ostenf.) A.E. Porsild -- not accepted |
| |
Senecio lobatus Pers. -- not accepted |
| |
Senecio longilobus Benth. -- not accepted |
| |
Senecio longipetiolatus Rydb. -- not accepted |
| |
Senecio lugens Richardson -- accepted -- small blacktip ragwort |
| |
Senecio lugens var. exaltatus (Nutt.) A. Gray -- not accepted |
| |
Senecio lugens var. ochroleucus A. Gray -- not accepted |
| |
Senecio lynceus Greene -- not accepted |
| |
Senecio lynceus var. leucoreus (Greenm.) S.F. Blake -- not accepted |
| |
Senecio lyonii A. Gray -- accepted -- island senecio |
| |
Senecio macdougalii A. Heller -- not accepted |
| |
Senecio macounii Greene -- not accepted -- Siskiyou Mountain ragwort |
| |
Senecio madagascariensis Poir. -- accepted -- Madagascar ragwort, fireweed, Madagascar groundsel |
| |
Senecio magnificus F. Muell. -- accepted -- tall yellowtop |
| |
Senecio malmstenii S.F. Blake ex Tidestr. -- not accepted |
| |
Senecio manitobensis Greenm. -- not accepted |
| |
Senecio megacephalus Nutt. -- accepted -- rocky ragwort |
| |
Senecio memmingeri Britton -- not accepted |
| |
Senecio metcalfei Greene -- not accepted |
| |
Senecio mikanioides Otto -- not accepted -- Cape-ivy, capeivy |
| |
Senecio millefolium Torr. & A. Gray -- not accepted -- piedmont ragwort |
| |
Senecio millefolius Torr. & A. Gray -- not accepted |
| |
Senecio millelobatus Rydb. -- not accepted -- Uinta ragwort |
| |
Senecio minimus Poir. -- not accepted |
| |
Senecio mohavensis A. Gray -- accepted -- Mojave ragwort, Mohave groundsel |
| |
Senecio molinarius Greenm. -- not accepted |
| |
Senecio monoensis Greene -- not accepted |
| |
Senecio moresbiensis (Calder & Roy L. Taylor) G.W. Douglas & G. Ruyle-Douglas -- not accepted -- cleftleaf ragwort |
| |
Senecio muehlenbergii Sch. Bip. -- not accepted |
| |
Senecio muirii Greenm. -- not accepted |
| |
Senecio multicapitatus Greenm. ex Rydb. -- not accepted |
| |
Senecio multidentatus Sch. Bip. ex Hemsl. -- accepted -- Huachuca Mountain ragwort |
| |
Senecio multidentatus var. huachucanus (A. Gray) T.M. Barkley -- accepted -- Huachuca Mountain ragwort |
| |
Senecio multidentatus var. multidentatus Sch. Bip. ex Hemsl. -- accepted |
| |
Senecio multilobatus Torr. & A. Gray ex A. Gray -- not accepted -- lobeleaf groundsel |
| |
Senecio murrayi Bornm. -- not accepted |
| |
Senecio musiniensis S.L. Welsh -- not accepted -- Musinea ragwort |
| |
Senecio mutabilis Greene -- not accepted |
| |
Senecio neomexicanus A. Gray -- not accepted -- New Mexico groundsel |
| |
Senecio neomexicanus var. griffithsii Greenm. -- not accepted |
| |
Senecio neomexicanus var. metcalfei (Greene) T.M. Barkley -- not accepted -- Metcalf's groundsel |
| |
Senecio neomexicanus var. mutabilis (Greene) T.M. Barkley -- not accepted -- New Mexico groundsel |
| |
Senecio neomexicanus var. neomexicanus Gray -- not accepted -- New Mexico groundsel |
| |
Senecio neomexicanus var. toumeyi (Greene) T.M. Barkley -- not accepted -- Toumey's groundsel |
| |
Senecio neowebsteri S.F. Blake -- accepted -- Olympic Mountain ragwort |
| |
Senecio obovatus Muhl. ex Willd. -- not accepted -- roundleaf ragwort, round-leaf groundsel, séneçon ŕ feuilles obovales |
| |
Senecio obovatus var. elliottii (Torr. & A. Gray) Fernald -- not accepted |
| |
Senecio obovatus var. rotundus Britton -- not accepted |
| |
Senecio ogotorukensis Packer -- not accepted -- Ogotoruk Creek ragwort |
| |
Senecio oodes Rydb. -- not accepted |
| |
Senecio oresbius Greenm. -- not accepted |
| |
Senecio palmensis (Nees) C. Sm. ex Link -- not accepted |
| |
Senecio palustris (L.) Hook. -- not accepted |
| |
Senecio pammelii Greenm. -- not accepted |
| |
Senecio parryi A. Gray -- accepted -- mountain ragwort, Parry's groundsel |
| |
Senecio pattersonensis Hoover -- accepted -- Patterson's senecio, Mono groundsel |
| |
Senecio pauciflorus Pursh -- not accepted -- alpine groundsel |
| |
Senecio pauciflorus var. fallax (Greenm.) Greenm. -- not accepted |
| |
Senecio pauciflorus var. jucundulus Jeps. -- not accepted |
| |
Senecio pauperculus Michx. -- not accepted -- balsam groundsel |
| |
Senecio pauperculus var. balsamitae (Muhl. ex Willd.) Fernald -- not accepted |
| |
Senecio pauperculus var. crawfordii (Britton) T.M. Barkley -- not accepted |
| |
Senecio pauperculus var. firmifolius (Greenm.) Greenm. -- not accepted |
| |
Senecio pauperculus var. neoscoticus Fernald -- not accepted |
| |
Senecio pauperculus var. praelongus (Greenm.) House -- not accepted |
| |
Senecio pauperculus var. thompsoniensis (Greenm.) B. Boivin -- not accepted |
| |
Senecio pereziifolius Rydb. -- not accepted |
| |
Senecio petasitis (Sims) DC. -- not accepted |
| |
Senecio plattensis Nutt. -- not accepted -- prairie groundsel |
| |
Senecio platylobus Rydb. -- not accepted |
| |
Senecio porteri Greene -- not accepted -- Porter's groundsel |
| |
Senecio pseudaureus Rydb. -- not accepted -- falsegold groundsel |
| |
Senecio pseudaureus ssp. flavulus (Greene) G.W. Douglas & G. Ruyle-Douglas -- not accepted |
| |
Senecio pseudaureus ssp. semicordatus (Mack. & Bush) G.W. Douglas & G. Ruyle-Douglas -- not accepted |
| |
Senecio pseudaureus var. flavulus (Greene) Greenm. -- not accepted -- falsegold groundsel |
| |
Senecio pseudaureus var. pseudaureus Rydb. -- not accepted -- falsegold groundsel |
| |
Senecio pseudaureus var. semicordatus (Mack. & Bush) T.M. Barkley -- not accepted -- falsegold groundsel |
| |
Senecio pseudoarnica Less. -- accepted -- seaside ragwort |
| |
Senecio pseudotomentosus Mack. & Bush -- not accepted |
| |
Senecio pudicus Greene -- accepted -- bashful ragwort |
| |
Senecio purshianus Nutt. -- not accepted |
| |
Senecio quaerens Greene -- not accepted -- Mogollon Mountain ragwort |
| |
Senecio quaylei T.M. Barkley -- accepted -- Quayle's ragwort |
| |
Senecio quercetorum Greene -- not accepted -- Oak Creek ragwort |
| |
Senecio rapifolius Nutt. -- accepted -- openwoods ragwort |
| |
Senecio resedifolius Less. -- not accepted |
| |
Senecio riddellii Torr. & A. Gray -- accepted -- Riddell's ragwort, Riddell's groundsel, sand groundsel |
| |
Senecio robbinsii Oakes ex Rusby -- not accepted |
| |
Senecio rotundus (Britton) Small -- not accepted |
| |
Senecio rubricaulis Greene -- not accepted |
| |
Senecio rugelia A. Gray -- not accepted |
| |
Senecio rupestris Waldst. & Kit. -- accepted -- rock ragwort |
| |
Senecio sacramentanus Woot. & Standl. -- accepted -- Sacramento ragwort |
| |
Senecio salignus DC. -- not accepted -- willow ragwort |
| |
Senecio sandvicensis auct. non Less. -- not accepted |
| |
Senecio sandwicensis auct. non Less. -- not accepted |
| |
Senecio sanguisorboides Rydb. -- not accepted -- burnet ragwort |
| |
Senecio saxosus Klatt -- not accepted |
| |
Senecio saxosus var. toiyabensis Greenm. -- not accepted |
| |
Senecio schweinitzianus Nutt. -- not accepted -- Schweinitz's ragwort |
| |
Senecio scorzonella Greene -- accepted -- Sierra ragwort, Sierra groundsel |
| |
Senecio scribneri Rydb. -- not accepted |
| |
Senecio seemanii auct. non Sch. Bip. ex Seem. -- not accepted |
| |
Senecio semicordatus Mack. & Bush -- not accepted |
| |
Senecio serra Hook. -- accepted -- tall ragwort, butterweed groundsel, butterweed |
| |
Senecio serra var. admirabilis (Greene) A. Nelson -- accepted -- tall ragwort |
| |
Senecio serra var. altior Jeps. -- not accepted |
| |
Senecio serra var. integriusculus A. Gray -- not accepted |
| |
Senecio serra var. serra Hook. -- accepted -- tall ragwort, tall groundsel |
| |
Senecio sheldonensis A.E. Porsild -- accepted -- Mt. Sheldon ragwort |
| |
Senecio smallii Britton -- not accepted |
| |
Senecio soldanella A. Gray -- accepted -- Colorado ragwort |
| |
Senecio spartioides Torr. & A. Gray -- accepted -- broom-like ragwort, broom groundsel, broomlike ragwort |
| |
Senecio spartioides var. fremontii (Torr. & A. Gray) Greenm. -- not accepted |
| |
Senecio spartioides var. granularis Maguire & A.H. Holmgren ex Cronquist -- not accepted |
| |
Senecio spartioides var. multicapitatus (Greenm. ex Rydb.) S.L. Welsh -- not accepted -- broom-like ragwort, many-head ragwort, ragwort groundsel |
| |
Senecio spartioides var. parksii (Cory) Shinners -- not accepted |
| |
Senecio spartioides var. spartioides Torr. & A. Gray -- not accepted -- broom-like ragwort |
| |
Senecio spellenbergii T.M. Barkley -- not accepted -- Carrizo Creek ragwort |
| |
Senecio sphaerocephalus Greene -- accepted -- ballhead ragwort, marsh groundsel |
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Senecio spribillei W.A. Weber -- accepted |
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Senecio squalidus L. -- accepted -- Oxford ragwort |
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Senecio streptanthifolius Greene -- not accepted -- cleftleaf groundsel |
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Senecio streptanthifolius var. borealis (Torr. & A. Gray) J.F. Bain -- not accepted -- Rocky Mountain groundsel |
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Senecio streptanthifolius var. kluanei J.F. Bain -- not accepted -- Kluane's senecio |
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Senecio streptanthifolius var. laetiflorus (Greene) J.F. Bain -- not accepted -- Rocky Mountain groundsel |
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Senecio streptanthifolius var. moresbiensis (Calder & Roy L. Taylor) B. Boivin -- not accepted |
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Senecio streptanthifolius var. oodes (Rydb.) J.F. Bain -- not accepted -- Rocky Mountain groundsel |
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Senecio streptanthifolius var. rubricaulis (Greene) J.F. Bain -- not accepted -- Rocky Mountain groundsel |
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Senecio streptanthifolius var. streptanthifolius Greene -- not accepted -- cleftleaf groundsel |
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Senecio streptanthifolius var. wallowensis J.F. Bain -- not accepted -- Wallowa senecio |
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Senecio stygius Greene -- not accepted |
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Senecio suaveolens (L.) Ell. -- accepted -- false Indian plantain |
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Senecio subcuneatus Rydb. -- not accepted |
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Senecio subnudus DC. -- not accepted |
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Senecio suksdorfii Greenm. -- not accepted |
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Senecio sylvatica L. -- not accepted |
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Senecio sylvaticus L. -- accepted -- woodland ragwort |
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Senecio tampicanus DC. -- not accepted -- Great Plains ragwort |
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Senecio taraxacoides (A. Gray) Greene -- accepted -- dandelion ragwort |
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Senecio thornberi Greenm. -- not accepted |
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Senecio thurberi A. Gray -- not accepted |
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Senecio tichomirovii auct. non Schischkin -- not accepted |
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Senecio toiyabensis S.L. Welsh & Goodrich -- not accepted |
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Senecio tomentosus Michx. -- not accepted -- woolly ragwort |
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Senecio toumeyi Greene -- not accepted |
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Senecio triangularis Hook. -- accepted -- arrowleaf ragwort, arrowleaf groundsel |
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Senecio triangularis var. angustifolius G.N. Jones -- not accepted |
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Senecio tridenticulatus Rydb. -- not accepted -- threetooth ragwort |
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Senecio tundricola auct. non Tolm. -- not accepted |
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Senecio tweedyi Rydb. -- not accepted |
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Senecio uintahensis (A. Nelson) Greenm. -- not accepted |
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Senecio valerianifolius Link ex Spreng. -- not accepted |
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Senecio vaseyi Greenm. -- not accepted |
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Senecio viscosus L. -- accepted -- sticky ragwort |
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Senecio vulgaris L. -- accepted -- old-man-in-the-spring, common groundsel |
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Senecio wardii Greene -- not accepted |
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Senecio warnockii Shinners -- accepted -- Warnock's ragwort |
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Senecio webbii (Sch. Bip.) Christ -- not accepted |
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Senecio websteri Greenm. non Hook. f. -- not accepted |
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Senecio werneriifolius (A. Gray) A. Gray -- not accepted -- hoary groundsel |
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Senecio werneriifolius var. alpinus (A. Gray) Dorn -- not accepted |
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Senecio werneriifolius var. incertus Greenm. -- not accepted |
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Senecio wootonii Greene -- accepted -- Wooton's ragwort |
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Senecio wrightii Greenm. -- not accepted |
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Senecio X hybridus (Willd.) Regel -- not accepted -- common ragwort, florist's cineraria |
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Senecio yukonensis A.E. Porsild -- not accepted -- Yukon groundsel |
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Synosma Raf. ex Britt. -- not accepted -- synosma |
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Synosma suaveolens (L.) Raf. ex Britton -- not accepted |
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Tephroseris (Rchb.) Rchb. -- accepted -- groundsel |
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Tephroseris atropurpurea ssp. atropurpurea (Ledeb.) Holub -- not accepted |
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Tephroseris atropurpurea ssp. frigida (Richardson) A. Löve & D. Löve -- not accepted |
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Tephroseris atropurpurea ssp. tomentosa (Kjellm.) A. Löve & D. Löve -- not accepted |
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Tephroseris frigida (Richardson) Holub -- accepted |
| |
Tephroseris integrifolia (L.) Holub -- accepted |
| |
Tephroseris integrifolia ssp. atropurpurea (Ledeb.) B. Nord. -- accepted -- arctic groundsel |
| |
Tephroseris kjellmanii (A.E. Porsild) Holub -- accepted -- Kjellman's groundsel |
| |
Tephroseris lindstroemii (Ostenf.) A. Löve & D. Löve -- accepted -- fuscate groundsel |
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Tephroseris palustris (L.) Reichenbach -- accepted -- marsh fleabane |
| |
Tephroseris tundricola (Tolm.) Holub -- accepted |
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Tephroseris tundricola var. lindstroemii (Ostenf.) V. Yu. -- not accepted |
| |
Tephroseris yukonensis (A.E. Porsild) Holub -- accepted -- Yukon groundsel |
| |
Tetradymia DC. -- accepted -- horsebrush, tetradymia |
| |
Tetradymia argyraea Munz & Roos -- accepted -- striped cottonthorn, striped horsebrush |
| |
Tetradymia axillaris A. Nelson -- accepted -- longspine horsebrush |
| |
Tetradymia axillaris var. axillaris A. Nelson -- accepted -- longspine horsebrush |
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Tetradymia axillaris var. longispina (M.E. Jones) Strother -- accepted -- longspine horsebrush |
| |
Tetradymia canescens DC. -- accepted -- spineless horsebrush, gray horsebrush |
| |
Tetradymia canescens var. inermis (Rydb.) Payson -- not accepted |
| |
Tetradymia comosa A. Gray -- accepted -- hairy horsebrush |
| |
Tetradymia comosa ssp. tetrameres S.F. Blake -- not accepted |
| |
Tetradymia filifolia Greene -- accepted -- threadleaf horsebrush |
| |
Tetradymia glabrata Torr. & A. Gray -- accepted -- littleleaf horsebrush |
| |
Tetradymia nuttallii Torr. & A. Gray -- accepted -- Nuttall's horsebrush |
| |
Tetradymia spinosa Hook. & Arn. -- accepted -- shortspine horsebrush, spiny horsebrush |
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Tetradymia spinosa var. longispina M.E. Jones -- not accepted |
| |
Tetradymia stenolepis Greene -- accepted -- Mojave cottonthorn, Mojave horsebrush |
| |
Tetradymia tetrameres (S.F. Blake) Strother -- accepted -- fourpart horsebrush, four-part horsebrush |
| |
Tussilago L. -- accepted -- coltsfoot |
| |
Tussilago farfara L. -- accepted -- coltsfoot, colts foot |
| |
Yermo Dorn -- accepted -- desert yellowhead |
| |
Yermo xanthocephalus Dorn -- accepted -- desert yellowhead |
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