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| Kingdom Plantae |
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Ancistrocactus uncinatus var. wrightii (Engelm.) L.D. Benson – not accepted
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Coryphantha cornifera var. echinus (Engelm.) L.D. Benson – not accepted – rhinoceros cactus
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Coryphantha missouriensis var. caespitosa (Engelm.) L.D. Benson – not accepted
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Coryphantha missouriensis var. robustior (Engelm.) L.D. Benson – not accepted
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Coryphantha scheeri var. valida (Engelm.) L.D. Benson – not accepted – Scheer's beehive cactus, pineapple cactus
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Echinocereus enneacanthus var. dubius (Engelm.) L.D. Benson – not accepted
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Echinocereus enneacanthus var. stramineus (Engelm.) L.D. Benson – not accepted
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Echinocereus pectinatus var. minor (Engelm.) L.D. Benson – not accepted
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Echinocereus triglochidiatus var. polyacanthus (Engelm.) L.D. Benson – not accepted
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Ferocactus setispinus (Engelm.) L.D. Benson – not accepted
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Mammillaria gummifera var. applanata (Engelm.) L.D. Benson – not accepted
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Mammillaria gummifera var. hemisphaerica (Engelm.) L.D. Benson – not accepted
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Mammillaria gummifera var. meiacantha (Engelm.) L.D. Benson – not accepted
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Mammillaria heyderi var. gummifera (Engelm.) L.D. Benson – not accepted
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Mammillaria heyderi var. meiacantha (Engelm.) L.D. Benson – not accepted – little nipple cactus
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Mammillaria vivipara var. arizonica (Engelm.) L.D. Benson – not accepted
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Neolloydia intertexta (Engelm.) L.D. Benson – not accepted
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Neolloydia intertexta var. dasyacantha (Engelm.) L.D. Benson – not accepted
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Neolloydia unguispina (Engelm.) L.D. Benson – not accepted
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Opuntia compressa var. macrorhiza (Engelm.) L.D. Benson – not accepted
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Opuntia compressa var. microsperma (Engelm.) L.D. Benson – not accepted
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Opuntia erinacea var. utahensis (Engelm.) L.D. Benson – not accepted – Utah grizzlybear pricklypear, Utah pricklypear
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Opuntia parryi var. serpentina (Engelm.) L.D. Benson – not accepted – serpentine cholla, snake cholla
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Opuntia schottii var. grahamii (Engelm.) L.D. Benson – not accepted
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Opuntia violacea var. macrocentra (Engelm.) L.D. Benson – not accepted
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Pediocactus papyracanthus (Engelm.) L.D. Benson – not accepted – paper-spined cactus
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Phoradendron tomentosum var. macrophyllum (Engelm.) L.D. Benson – not accepted
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Ranunculus laxicaulis var. angustifolia (Engelm.) L.D. Benson – not accepted
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Ranunculus laxicaulis var. angustifolius (Engelm.) L.D. Benson – not accepted
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Ranunculus pusillus var. angustifolius (Engelm.) L.D. Benson – not accepted – low spearwort
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Sclerocactus pubispinus (Engelm.) L.D. Benson – accepted – Great Basin fishhook cactus
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Sclerocactus pubispinus var. pubispinus (Engelm.) L.D. Benson – not accepted |
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