Gymnocalycium asterium (Spegazzini) Y.Ito Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Gymnocalycium species Gymnocalycium asterium Name Homonyms Gymnocalycium asterium A.Cast. Gymnocalycium asterium (Spegazzini) Y.Ito