Mammillaria dioica f. angelensis (R.T.Craig) Neutel. in Succulenta (Netherlands) 65: 119. 1986 Mammillaria dioica f. angelensis (R.T.Craig) Neutel. in Succulenta (Netherlands) 65: 119. 1986is new combination for Mammillaria angelensis R.T.Craig, Mammill. Handb.: 165. 1945Taxon for this nameMammillaria dioica f. angelensis (R.T.Craig) Neutel.