Elymus angustus Trin. ex Ledeb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Leymus species Leymus angustus Name Homonyms Elymus angustus Trin. ex Ledeb. Elymus angustus Trin.