Much like no. 9 [Poa languida Hitchc.]; ligule 0.6-1.5(-3) mm; spikelets 3.5-5.5 mm, 3-5-fld; lemmas green, membranous, distinctly 5-veined, lance-ovate, 2.4-3.9 mm, acute or acuminate at the scarious tip; anthers 0.9-1.5 mm; 2n=28. Woods and clearings; Nf. to n. Mich. and Minn., s. to Pa. and in the mts. to Va.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.