Cereus albicaulis (Britton & Rose) Leutzelb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Cereus species Cereus albicaulis Name Homonyms Cereus albicaulis (Britton & Rose) Luetzelb. Cereus albicaulis (Britton & Rose) Leutzelb.