Cereus testudo Purpus Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Cereus species Cereus testudo Name Homonyms Cereus testudo Purpus ex Gürke Cereus testudo Karw. ex Zucc. Cereus testudo Karw. Cereus testudo Purpus