Mammillaria longimamma var. congesta Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 79. 1850 Mammillaria longimamma var. congesta Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 79. 1850Taxon for this nameMammillaria longimamma var. congesta Salm-Dyck
