Mammillaria milleri (Britton & Rose) Boed., Mammillarien-Vergleichs-Schluessel: 30. 1933 Mammillaria milleri (Britton & Rose) Boed., Mammillarien-Vergleichs-Schluessel: 30. 1933is new combination for Neomammillaria milleri Britton & Rose, Cactaceae 4: 156, f. 184a. 1923Taxon for this nameMammillaria milleri (Britton & Rose) Boed.