Mammillaria yucatanensis (Britton & Rose) Orcutt in Cactography 8. 1926 Mammillaria yucatanensis (Britton & Rose) Orcutt in Cactography 8. 1926is new combination for Neomammillaria yucatanensis Britton & Rose, Cactaceae 4: 114, f. 119. 1923Taxon for this nameMammillaria yucatanensis (Britton & Rose) Orcutt