Echinocereus castaneus (Engelm.) Orcutt Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Echinocereus species Echinocereus reichenbachii Name Homonyms Echinocereus castaneus (Engelm.) Orcutt Echinocereus castaneus (Engelm.) Haage