Neomammillaria napina (J.A.Purpus) Britton & Rose, Cactaceae 4: 104. 1923 Neomammillaria napina (J.A.Purpus) Britton & Rose, Cactaceae 4: 104. 1923is new combination for Mammillaria napina J.A.Purpus in Monatsschr. Kakteenk. 22: 161. 1912Taxon for this nameNeomammillaria napina (J.A.Purpus) Britton & Rose