Elymus vassiljevii subsp. caeruleus (Jurtzev) Czerep. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus sajanensis Name Homonyms Elymus vassiljevii subsp. caeruleus (Jurtzev) Czerep.