Euphorbia multiformis var. tenuior A.Gray Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia multiformis Name Homonyms Euphorbia multiformis var. tenuior A.Gray Euphorbia multiformis var. tenuior A.Gray ex H.Mann