Echinoccatus johnsonii Parry Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Sclerocactus species Sclerocactus johnsonii Name Homonyms Echinoccatus johnsonii Parry Echinoccatus johnsonii Parry ex Engelm.