Frailea phaeodisca (Speg.) Spreg. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Frailea species Frailea phaeodisca Name Homonyms Frailea phaeodisca (Speg.) Backeb. & F.M.Knuth Frailea phaeodisca (Speg.) Speg. Frailea phaeodisca (Speg.) Spreg.