Agropyron acutum (DC.) Roem. & Schult. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Sp. pl. 2:751. 1817 Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus pungens Name Homonyms Agropyron acutum Rouy, 1913 Agropyron ×acutum Simonet Agropyron acutum Rchb. ex Nyman Agropyron acutum K.Koch, 1848 Agropyron acutum Rchb. Agropyron acutum (DC.) Roem. & Schult.