Mammillaria discolor var. aciculata Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 11. 1850 Mammillaria discolor var. aciculata Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 11. 1850Taxon for this nameMammillaria discolor var. aciculata Salm-Dyck