Arrhenatherum elatius subsp. tuberosum (Gilib.) Thiel 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 var. tuberosum (F.W.Schultz) Thielens Arrhenatherum elatius subsp. tuberosum (Gilib.) Thiel