Carex praticola Rydb.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Densely tufted, aphyllopodic, 3–8 dm; main lvs 2–4 mm wide, shorter than the stems; spikes 3–7, gynaecandrous, 7–18 mm, sessile in a slender, rather loose and flexuous, ± nodding spike; pistillate scales largely concealing the mature perigynia, except often beak-tip; perigynia loosely ascending-appressed, pale green to brownish (4–)4.3–5.7(–6) × (1.2–)1.3–2(2.1) mm, 2.6–4 times as long as wide, planoconvex, wing-margined and serrulate, evidently nerved dorsally, nerveless or nearly so (seldom evidently nerved) ventrally, the beak with a subterete, ± entire tip 0.5+ mm; achene lenticular, 1.7–2.2 mm. Meadows; Greenl. to Alas., s. to Que., n. Mich., N.D., and Calif. (C. pratensis, a preoccupied name)