Mammillaria polythele var. aciculata (Otto ex Pfeiff.) Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 9. 1845 Mammillaria polythele var. aciculata (Otto ex Pfeiff.) Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 9. 1845Taxon for this nameMammillaria polythele var. aciculata (Otto ex Pfeiff.) Salm-Dyck