Mammillaria standleyi (Britton & Rose) Orcutt in Cactography 8. 1926
Mammillaria standleyi in Cactography 8. 1926
is new combination for Neomammillaria standleyi, Cactaceae 4: 97, f. 93. 1923
Mammillaria standleyi in Cactography 8. 1926
Mammillaria standleyi in Cactography 8. 1926
Taxon for this name