Euphorbia wulfenii Heldr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia wulfenii Name Homonyms Euphorbia wulfenii Hoppe ex W.D.J.Koch Euphorbia wulfenii Hoppe, 1829 Euphorbia wulfenii Heldr. ex Nyman, 1881 Euphorbia wulfenii Heldr.