Cereus grantianus (Britton) Kelsey & Dayton Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Leptocereus species Leptocereus grantianus Name Homonyms Cereus grantianus (Britton) Kelsey & Dayton