Echinocactus pruinosus Otto Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Stenocereus species Stenocereus pruinosus Name Homonyms Echinocactus pruinosus Otto ex Pfeiff. Echinocactus pruinosus Otto