Mammillaria dioica var. capensis (H.E.Gates) Neutel. in Succulenta (Netherlands) 65: 119. 1986
Mammillaria dioica var. capensis in Succulenta (Netherlands) 65: 119. 1986
is new combination for Neomammillaria capensis in Cact. Succ. J. (Los Angeles) 4: 372. 1933