Sclerocactus scheeri subsp. brevihamatus (Engelm.) Lüthy subspecies synonym Sclerocactus brevihamatus subsp. tobuschii (W.T.Marshall) N.P.Taylor subspecies accepted Pediocactus brevihamatus subsp. tobuschii (W.T.Marshall) Halda subspecies synonym Echinocactus brevihamatus Engelm. species synonym Ancistrocactus tobuschii (W.T.Marshall) Backeb. species synonym Ancistrocactus scheeri subsp. tobuschii (W.T.Marshall) Doweld subspecies synonym Ancistrocactus brevihamatus var. pallidus A.D.Zimmerman ex A.M.Powell variety synonym Ferocactus tobuschii (W.T.Marshall) N.P.Taylor species synonym Echinocactus scheeri var. brevihamatus (Engelm.) K.Schum. variety synonym Sclerocactus brevihamatus subsp. brevihamatus subspecies accepted Pediocactus brevihamatus (Engelm.) Halda species synonym Mammillaria tobuschii W.T.Marshall species synonym Ancistrocactus brevihamatus (Engelm.) Britton & Rose species synonym Echinocactus tobuschii (W.T.Marshall) D.Weniger species synonym Ancistrocactus scheeri f. brevihamatus (Engelm.) Krainz form synonym Ancistrocactus tobuschii (W.T.Marshall) Backeb. ex L.D.Benson species synonym Ancistrocactus brevihamatus var. pallidus A.D.Zimmerman variety homotypic synonym |