Echinocereus pentalophus (DC.) Rümpler Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Echinocereus species Echinocereus pentalophus Name Homonyms Echinocereus pentalophus (DC.) Lem. Echinocereus pentalophus (DC.) H.P.Kelsey & Dayton, 1942 Echinocereus pentalophus (DC.) Engelm. ex Haage Echinocereus pentalophus (DC.) Rümpler Echinocereus pentalophus (DC.) Engelm.