Echinocactus rhodacanthus var. coccineus Monv. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Denmoza species Denmoza rhodacantha Name Homonyms Echinocactus rhodacanthus var. coccineus Monv. ex Labour. Echinocactus rhodacanthus var. coccineus Monv.