Mammillaria senilis var. haseloffii (Ehrenb.) Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 8. 1850
Mammillaria senilis var. haseloffii, Cact. Hort. Dyck., ed. 1849: 8. 1850
is new combination for Mammillaria haseloffii in Allg. Gartenzeitung 17: 303. 1849