Arrhenatherum elatius subsp. biflorum Schur Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Arrhenatherum species Arrhenatherum elatius Name Homonyms Arrhenatherum elatius f. biflorum (Schur) Buia Arrhenatherum elatius var. biflorum Schur Arrhenatherum elatius subsp. biflorum Schur