Leptoloma cognata (Schult.) Chase
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Culms tufted and sometimes shortly rhizomatous, 4–7 dm; lower sheaths villous to papillose-hirsute; blades 5–10 cm × 2–6 mm; panicle diffusely branched, often a third to half the height of the plant, purplish, villous in the axils; pedicels 1–4 cm, 3-angled, scabrous; spikelets narrowly elliptic, acute, 2.5–3.5 mm, the second glume and sterile lemma commonly pubescent between the veins, the hairs spreading at maturity; 2n=36, 72. Dry, especially sandy soil; se. U.S. and n. Mex., n. to Nebr., Minn., s. Mich., s. Ont., Va., and irregularly to N.H. (Digitaria c.)