Mammillaria dioica f. incerta (Parish) Neutel. in Succulenta (Netherlands) 65: 119. 1986
Mammillaria dioica f. incerta in Succulenta (Netherlands) 65: 119. 1986
is new combination for Mammillaria incerta, Fl. Calif. 2: 549. 1936
Mammillaria dioica f. incerta in Succulenta (Netherlands) 65: 119. 1986
Taxon for this name