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