Elytrigia ×oliveri (Druce) Melderis & D.C.McClint. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Elymus species Elymus oliveri Name Homonyms Elytrigia ×oliveri (Druce) Kerguélen ex Carreras Mart. Elytrigia ×oliveri (Druce) Kerguélen Elytrigia ×oliveri (Druce) Melderis & D.C.McClint.