Elymus canadensis var. glabriflorus Vasey Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus virginicus Name Homonyms Elymus canadensis var. glabriflorus Vasey ex L.H.Dewey Elymus canadensis var. glabriflorus Vasey