Mammillaria viridiflora (Britton & Rose) Boed., Mammillarien-Vergleichs-Schluessel: 36. 1933 Mammillaria viridiflora (Britton & Rose) Boed., Mammillarien-Vergleichs-Schluessel: 36. 1933is new combination for Neomammillaria viridiflora Britton & Rose, Cactaceae 4: 153. 1923Taxon for this nameMammillaria viridiflora (Britton & Rose) Boed.