Cereus engelmannii var. albispinus Cels Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Echinocereus species Echinocereus engelmannii Name Homonyms Cereus engelmannii var. albispinus Cels ex Orcutt Cereus engelmannii var. albispinus Cels