Mammillaria dioica var. armillata (K.Brandegee) Neutel. in Succulenta (Netherlands) 65: 119. 1986 Mammillaria dioica var. armillata (K.Brandegee) Neutel. in Succulenta (Netherlands) 65: 119. 1986is new combination for Mammillaria armillata K.Brandegee in Zoƫ 5(1): 7. 1900Taxon for this nameMammillaria dioica var. armillata (K.Brandegee) Neutel.