Ferocactus wislizeni var. wislizeni Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Ferocactus species Ferocactus wislizeni Name Homonyms Ferocactus wislizeni var. wislizeni Ferocactus wislizeni subsp. wislizeni