Cereus denudatus (Link & Otto) Hort.Berol. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Gymnocalycium species Gymnocalycium denudatum Name Homonyms Cereus denudatus (Link & Otto) Hort.Berol. ex Pfeiff. Cereus denudatus (Link & Otto) Hort.Berol.