Ferocactus viscainensis H.E.Gates in Cact. Succ. J. (Los Angeles) 4: 324. 1933
Ferocactus viscainensis in Cact. Succ. J. (Los Angeles) 4: 324. 1933
is basionym for Ferocactus peninsulae var. viscainensis in Cact. Succ. J. (Los Angeles) 27: 169. 1955
is basionym for Ferocactus peninsulae subsp. viscainensis, Ferokakt. Baja California: 151. 2004