Elymus leucostachys Eversm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Leymus species Leymus paboanus Name Homonyms Elymus leucostachys Eversm. ex Griseb. Elymus leucostachys Eversm.