Echinocactus acanthodes var. rostii (Britton & Rose) Munz, Man. S. Calif. Bot.: 328. 1935
Echinocactus acanthodes var. rostii, Man. S. Calif. Bot.: 328. 1935
is new combination for Ferocactus rostii, Cactaceae 3: 146. 1922
Echinocactus acanthodes var. rostii, Man. S. Calif. Bot.: 328. 1935
Taxon for this name