Mammillaria goodridgei var. louisae (G.E.Linds.) Neutel. in Succulenta (Netherlands) 65: 119. 1986
Mammillaria goodridgei var. louisae in Succulenta (Netherlands) 65: 119. 1986
is new combination for Mammillaria louisae in Cact. Succ. J. (Los Angeles) 32: 169. 1960