Mammillaria haageana var. schmollii (R.T.Craig) D.R.Hunt in Cact. Succ. J. Gr. Brit. 41: 63. 1979
Mammillaria haageana var. schmollii in Cact. Succ. J. Gr. Brit. 41: 63. 1979
is new combination for Mammillaria elegans var. schmollii, Mammill. Handb.: 283. 1945