Agropyron arizonicum Schltdl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus arizonicus Name Homonyms Agropyron arizonicum Scribn. & J.G.Sm. Agropyron arizonicum Schltdl.