Elymus trachycaulus (Link) Hoover Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus violaceus Name Homonyms Elymus trachycaulus (Link) Gould ex Shinners Elymus trachycaulus (A.Nelson) Á.Löve Elymus trachycaulus (Link) Gould Elymus trachycaulus (Link) Hoover