Ferocactus bicolor var. bolaensis (Runge) N.P.Taylor in Cact. Succ. J. Gr. Brit. 41: 30. 1979
Ferocactus bicolor var. bolaensis in Cact. Succ. J. Gr. Brit. 41: 30. 1979
is new combination for Echinocereus bolansis in Monatsschr. Kakteenk. 5: 123. 1895