Mammillaria spinii Colla ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 11. 1850 Mammillaria spinii Colla ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 11. 1850Taxon for this nameMammillaria spinii Colla ex Salm-Dyck