Mammillaria deficiens Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 7. 1850 Mammillaria deficiens Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 7. 1850Taxon for this nameMammillaria deficiens Salm-Dyck