Eragrostis curvula (Schrad.) Nees
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Erect, tufted perennial 6–18 dm; sheaths keeled and ± hispidulous basally; lvs firm, involute, narrow, arcuate-ascending, tapering to a fine point; infl 2–3.5 dm, pilose in the main axils, elongate and open but scarcely diffuse, the pedicels short and ± appressed to the branchlets; spikelets leaden-gray, 5–9 mm, 5–9(–11)-fld, the lemmas individually deciduous or more persistent and the rachilla fragmenting; first glume 1.5–2(2.5) mm, the second 2–2.8 mm; lemmas 2–3 mm, evidently 3-veined; 2n=20, 40, 60. Native of S. Afr., cult. for forage or ornament and escaped at scattered stations as far n. as N.J. and Pa. (where becoming common).