Mammillaria schwarzii Shurly in Cact. Succ. J. Gr. Brit. 11: 17. 1949
Mammillaria schwarzii in Cact. Succ. J. Gr. Brit. 11: 17. 1949
is basionym for Krainzia schwarzii in Sukkulenty 3: 43. 2000
Mammillaria schwarzii in Cact. Succ. J. Gr. Brit. 11: 17. 1949