Synonyms: Avena elatiusOther names: Bulbous Oatgrass, False Oats, False Oatgrass, Onion Couch, Onion Twitch, Onion-rooted Twitch, Tall Oat-grass, Tall Oatgrass Family: Poaceae Arrhenatherum elatius, with the common names false oat-grass, tall oat-grass, tall meadow oat, onion couch and tuber oat-grass, is a perennial species of grass, common in the…