Eriogonum effusum subsp. durum S.Stokes Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Eriogonum species Eriogonum corymbosum Name Homonyms Eriogonum effusum var. durum S.Stokes Eriogonum effusum subsp. durum S.Stokes