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