Euphorbia antiquorum var. polygona Boiss. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia antiquorum Name Homonyms Euphorbia antiquorum var. polygona Wight Euphorbia antiquorum var. polygona Boiss.