Neomammillaria peninsularis Britton & Rose, Cactaceae 4: 85. 1923 Neomammillaria peninsularis Britton & Rose, Cactaceae 4: 85. 1923is basionym for Mammillaria peninsularis (Britton & Rose) Orcutt in Cactography 8. 1926Taxon for this nameNeomammillaria peninsularis Britton & Rose