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| Kingdom Plantae |
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Echinocereus triglochidiatus var. mojavensis (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – Mojave kingcup cactus, Mohave hedgehog cactus
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Opuntia acanthocarpa var. major (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – buckhorn cholla, slender joint buckhorn cholla
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Opuntia erinacea var. hystricina (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – grizzlybear pricklypear, porcupine pricklypear
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Opuntia phaeacantha var. camanchica (Engelm. & J.M. Bigelow) L.D. Benson – accepted – tulip pricklypear, brownspine pricklypear
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Opuntia tunicata var. davisii (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – thistle cholla, Jeff Davis cholla |
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