Mammillaria flavovirens Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 117. 1850 Mammillaria flavovirens Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 117. 1850is basionym for Neomammillaria flavovirens (Salm-Dyck) Britton & Rose, Cactaceae 4: 85–86. 1923Taxon for this nameMammillaria flavovirens Salm-Dyck