Echinocereus ×roetteri (Engelm.) Ruempler Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Echinocereus species Echinocereus roetteri Name Homonyms Echinocereus ×roetteri Engelm. ex Rümpler Echinocereus ×roetteri Engelm.