Agropyron semicostatum subsp. viridispicum Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus tsukushiensis Name Homonyms Agropyron semicostatum var. viridispicum Honda Agropyron semicostatum subsp. viridispicum