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| Kingdom Plantae |
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Echinocactus polyancistrus Engelm. & J.M. Bigelow – not accepted
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Echinocactus polycephalus Engelm. & J.M. Bigelow – accepted – Biznaga-tonel amacollada, cottontop cactus, cottontop barrel cactus
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Echinocactus polycephalus ssp. polycephalus Engelm. & J.M. Bigelow – accepted
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Echinocactus polycephalus var. polycephalus Engelm. & J.M. Bigelow – not accepted – cottontop cactus
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Echinocactus whipplei Engelm. & J.M. Bigelow – not accepted
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Opuntia acanthocarpa Engelm. & J.M. Bigelow – not accepted – Cholla espinosa, buckhorn cholla
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Opuntia acanthocarpa ssp. acanthocarpa Engelm. & J.M. Bigelow – not accepted
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Opuntia acanthocarpa var. acanthocarpa Engelm. & J.M. Bigelow – not accepted – buckhorn cholla
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Opuntia basilaris Engelm. & J.M. Bigelow – accepted – Nopal del castor, beavertail pricklypear
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Opuntia basilaris var. basilaris Engelm. & J.M. Bigelow – accepted – beavertail pricklypear
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Opuntia brachyarthra Engelm. & J.M. Bigelow – not accepted
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Opuntia camanchica Engelm. & J.M. Bigelow – not accepted
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Opuntia chlorotica Engelm. & J.M. Bigelow – accepted – Nopal verdoso, dollarjoint pricklypear, pancake pricklypear
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Opuntia chlorotica var. chlorotica Engelm. & J.M. Bigelow – not accepted
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Opuntia cymochila Engelm. & J.M. Bigelow – not accepted – grassland pricklypear
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Opuntia davisii Engelm. & J.M. Bigelow – not accepted
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Opuntia echinocarpa Engelm. & J.M. Bigelow – not accepted – Cholla plateada, silver cholla, golden cholla
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Opuntia echinocarpa var. echinocarpa Engelm. & J.M. Bigelow – not accepted – staghorn cholla
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Opuntia echinocarpa var. major Engelm. & J.M. Bigelow – not accepted
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Opuntia engelmannii var. cycloides Engelm. & J.M. Bigelow – not accepted
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Opuntia erinacea Engelm. & J.M. Bigelow – not accepted – grizzlybear pricklypear, Mohave pricklypear
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Opuntia erinacea var. erinacea Engelm. & J.M. Bigelow – not accepted – grizzlybear pricklypear
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Opuntia hystricina Engelm. & J.M. Bigelow – not accepted – Nopal puerco espín
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Opuntia missouriensis var. trichophora Engelm. & J.M. Bigelow – not accepted
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Opuntia mojavensis Engelm. & J.M. Bigelow – not accepted
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Opuntia occidentalis Engelm. & J.M. Bigelow – not accepted
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Opuntia sphaerocarpa Engelm. & J.M. Bigelow – not accepted
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Opuntia tortispina Engelm. & J.M. Bigelow – accepted
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Opuntia whipplei Engelm. & J.M. Bigelow – not accepted – Whipple's cholla
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Opuntia whipplei var. whipplei Engelm. & J.M. Bigelow – not accepted – Whipple cholla |
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