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