Arrhenatherum elatius is commonly known as tall oatgrass or false oatgrass. This perennial grass is native to Europe and Asia Minor and has been introduced to other parts of the world, where it is grown as a fodder crop. Some other names for Arrhenatherum elatius include wild oats, golden oats, and tall fescue. It is an important source of forage for livestock and is also used in erosion control and landscaping. Additionally, it is known to have medicinal properties, with some traditional healers using it to treat various ailments such as gastrointestinal and respiratory issues. Overall, Arrhenatherum elatius is a versatile and valuable plant with many different names.