Deyeuxia quadriseta
Awn attached near the base of, or at least in the lower third, of the lemma, exserted beyond the glumes. Panicle dense, usually more than 8 cm long, cylindrical in outline, sometimes lobed. Leaf blades flat or slightly inrolled. Perennial up to 120 cm high. Widespread and very variable. In a variety of habitats. Fl. spring–summer. Reed Bent Grass