Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl

Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl. Arrhenatherum elatius is a species of flowering plant in the grass family Poaceae, commonly known as false oat-grass, and also bulbous oat grass, tall oat-grass, tall meadow oat, onion couch and tuber oat-grass. It is native throughout Europe, and also western and southwestern Asia, and northwestern Africa. This tufted grass is sometimes used as an ornamental grass and is sometimes marketed as "cat grass".