Agropyron altissimum (Schur) P.Candargy Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus repens Name Homonyms Agropyron altissimum (Schur) P.Candargy Agropyron altissimum Schur, 1866