Cereus spinibarbis var. minor Monv. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Leucostele species Leucostele nigripilis Name Homonyms Cereus spinibarbis var. minor Monv. ex Labour. Cereus spinibarbis var. minor Monv.