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