Three Examples of Grass Species (image) Aarhus University Caption Here are examples of grass species likely to be particularly common in Aarhus with different diurnal flowering patterns. The scientists conclude that the best way to explain the three diurnal concentration patterns is to look at the succession of different grass species with different diurnal flowering patterns throughout the season. From left to right: Cock's-foot (Dactylis glomerata), false oat-grass, (Arrhenatherum elatius) and perennial ryegrass (Lolium perenne) Credit Pia Ørby and Jens C. Pedersen (A. elatius) Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.