Euphorbia prostrata subsp. caudirhiza Fosberg Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia prostrata Name Homonyms Euphorbia prostrata var. caudirhiza Fosberg Euphorbia prostrata subsp. caudirhiza Fosberg