Opuntia alcahes F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 1: 321. 1895
Opuntia alcahes in Bull. Mus. Hist. Nat. (Paris) 1: 321. 1895
is basionym for Cylindropuntia alcahes, Kaktus-ABC: 127. 1936 ["1935"]
is basionym for Grusonia alcahes in Tephrocactus Study Group 12(3): 43. 2006