Much like no. 23 [Poa annua L.], but the culms usually erect or strongly ascending and the sheaths close; spikelets avg a little smaller, the first glume 1.5-2.1 mm, the second 1.7-2.4 mm; lemmas hairy on the keel and marginal veins, and also webbed at base, the intermediate veins obscure; lowest lemma 1.6-2.5 mm; anthers 0.1-0.2 mm. Open ground and fields; Del. to Io., s. to the Gulf, and occasionally introduced northward. May, June.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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