Euphorbia greggii Engelm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia greggii Name Homonyms Euphorbia greggii Engelm. ex Boiss. Euphorbia greggii Engelm.