Echinocereus arizonicus Rose Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Echinocereus species Echinocereus arizonicus Name Homonyms Echinocereus arizonicus Rose ex Orcutt Echinocereus arizonicus Rose