Elymus asper Nees Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus angulatus Name Homonyms Elymus asper Nees ex Steud. Elymus asper (Simonk.) Brand Elymus asper Nees