Ferocactus hamatacanthus var. crassispinus (Engelm.) L.D.Benson in Cact. Succ. J. (Los Angeles) 46: 80. 1974
Ferocactus hamatacanthus var. crassispinus in Cact. Succ. J. (Los Angeles) 46: 80. 1974
is new combination for Echinocactus longihamatus var. crassispinus in Proc. Amer. Acad. Arts 3: 274. 1857