Mammillaria schiedeana subsp. dumetorum (J.A. Purpus) D.R. Hunt.1997
Mammillaria schwarzii Shurly 1949
Mammillaria schwarzii Shurly 1949
Mammillaria schwarzii Shurly 1949
Mammillaria schwarzii Shurly 1949
Mammillaria schwarzii Shurly 1949
Mammillaria schwarzii Shurly 1949
Mammillaria schwarzii Shurly 1949
Mammillaria schwarzii Shurly 1949.
Mammillaria senilis Salm-Dyck 1850
Mammillaria sheldonii (Britton & Rose) Boed.1933
Mammillaria sheldonii Britton & Rose) Boed.1933