Euphorbia humifusa Willd. ex Schltdl., 1813 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia humifusa Name Homonyms Euphorbia humifusa Willd. Euphorbia humifusa hort. ex Boiss., 1862 Euphorbia humifusa hort.