Gymnocalycium marsoneri Fric Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Gymnocalycium species Gymnocalycium marsoneri Name Homonyms Gymnocalycium marsoneri Fric ex Y.Itô Gymnocalycium marsoneri Fric