Agropyron caninum var. biflorum Opiz Dataset GBIF Backbone Taxonomy Rank VARIETY Published in Lotos 3: 64 (1853) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus caninus Name Homonyms Agropyron caninum subsp. biflorum (Brign.) Arcang. Agropyron caninum var. biflorum (Brign.) Parl. Agropyron caninum var. biflorum Opiz Agropyron caninum var. biflorum (Brign.) K.Richt.