*Poa pratensis
Ligule obtuse or truncate, 1–3 mm long. Perennial up to 80 cm high, with creeping scaly rhizomes. Leaves usually dark green; blades flat or folded, up to 30 cm long, mostly 1–4 mm wide. Panicle ovate pyramidal or oblong, erect or ± drooping. Spikelets with 2–5 florets, 2.5–6 mm long, usually green. Widespread. Lawn grass; pastures. Introd. from Europe and Asia. Fl. mainly summer. Kentucky Blue Grass