Echinocactus uncinatus Engelm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Bisnaga species Bisnaga hamatacantha Name Homonyms Echinocactus uncinatus Engelm. ex Scheer Echinocactus uncinatus Galeotti ex Pfeiff. & Otto Echinocactus uncinatus Galeotti Echinocactus uncinatus Engelm.