Carex michauxiana Boeckeler

Tufted, 2–6 dm; main lvs 1.5–4 mm wide; terminal spike staminate, 0.6–1.5 cm, sessile or nearly so, scarcely projecting beyond the upper pistillate ones; pistillate spikes 2–4,broadly ovoid, 1.5–2.5 cm, erect, the lower distinctly peduncled, the upper less so; bracts lf-like, 1–3 mm wide, surpassing the stems, their sheaths concave at the mouth; pistillate scales ovate, a third to half as long as the perigynia, hyaline or brown-tinged, with green midstrip, acute or acuminate; perigynia slenderly subulate, 8–13 × 1.5–2 mm, nearly circular in cross-section, sharply many-nerved, long-attenuate into a slender beak with erect teeth 1 mm; achene loosely enveloped, rounded-trigonous, continuous with the persistent slender style. Bogs and wet meadows; Nf. to Ont., n. Mich., n. Wis., ne. Minn., and Sask., s. to N.Y.; e. Asia.