Synonyms
Chilita dioica (K.Brandegee) Buxb.
Mammillaria dioica f. incerta (Parish) Neutel.
Chilita fordii (Orcutt) Orcutt
Mammillaria goodrichii Engelm.
Ebnerella dioica (K.Brandegee) Buxb.
Neomammillaria dioica (K.Brandegee) Britton & Rose
Mammillaria dioica var. incerta (Parish) Munz
Mammillaria psendofuscata Quehl
Mammillaria fordii Orcutt
Mammillaria incerta Parish
Mammillaria dioica K.Brandegee