Mammillaria phitauiana (E.M Baxter) Backeb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Cochemiea species Cochemiea phitauiana Name Homonyms Mammillaria phitauiana (E.M.Baxter) Werderm. Mammillaria phitauiana (E.M Baxter) Backeb.