Mammillaria adunca Scheidw. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Mammillaria species Mammillaria uncinata Name Homonyms Mammillaria adunca Scheidw. ex C.F.Först. Mammillaria adunca Scheidw.