Cereus geometrizans Mart. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Myrtillocactus species Myrtillocactus geometrizans Name Homonyms Cereus geometrizans Mart. ex Pfeiff. Cereus geometrizans Mart.