Echinocactus sileri Engelm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Pediocactus species Pediocactus sileri Name Homonyms Echinocactus sileri Engelm. ex J.M.Coult. Echinocactus sileri Daul Echinocactus sileri Engelm.