Mammillaria sneedii (Britton & Rose) Cory in Rhodora 38(455): 407. 1936 Mammillaria sneedii (Britton & Rose) Cory in Rhodora 38(455): 407. 1936is new combination for Escobaria sneedii Britton & Rose, Cactaceae 4: 56. 1923Taxon for this nameMammillaria sneedii (Britton & Rose) Cory