Mammillaria karwinskiana var. virens (Scheidw.) Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 10. 1845
Mammillaria karwinskiana var. virens, Cact. Hort. Dyck., ed. 1844: 10. 1845
is new combination for Mammillaria virens in Allg. Gartenzeitung 9: 43. 1841
Mammillaria karwinskiana var. virens, Cact. Hort. Dyck., ed. 1844: 10. 1845
Taxon for this name