*Poa trivialis
Ligule acute to acuminate, 4–10 mm long. Loosely tufted perennial up to 1 m high with creeping leafy stolons. Leaves green or purplish, glabrous; blades flat or folded, up to 20 cm long, 2–6 mm wide. Panicle ovate to oblong, 3–30 cm long, 15 cm wide. Spikelets with 2–4 florets, 3–4 mm long. Weed in lawns. Introd. from Europe, Asia and Africa. Fl. spring–summer. Rough Meadow Grass