Echinocereus tuberosus Poselg. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Echinocereus species Echinocereus poselgeri Name Homonyms Echinocereus tuberosus Poselg. ex Rümpler Echinocereus tuberosus Poselg.