Avena pratensis var. major Uechtr. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Helictochloa species Helictochloa pratensis Name Homonyms Avena pratensis f. major Peterm. Avena pratensis var. major Uechtr. Avena pratensis var. major Rouy Avena pratensis var. major Bluff & Fingerh. Avena pratensis var. major Roth