Cereus pomanensis var. grossii Weing. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Harrisia species Harrisia pomanensis Name Homonyms Cereus pomanensis var. grossii Weing. ex A.Berger Cereus pomanensis var. grossii Weing.