Mammillaria macrothele var. biglandulosa (Pfeiff.) Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 19. 1850
Mammillaria macrothele var. biglandulosa, Cact. Hort. Dyck., ed. 1849: 19. 1850
is new combination for Mammillaria biglandulosa in Allg. Gartenzeitung 6: 274. 1838