Gymnocalycium monvillei (Lem.) Pfeiff. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Gymnocalycium species Gymnocalycium monvillei Name Homonyms Gymnocalycium monvillei (Lem.) Pfeiff. ex Britton & Rose Gymnocalycium monvillei (Lem.) Pfeiff. Gymnocalycium monvillei Pfeiff. ex K.Schum., 1898