Carex incomperta E. P. Bicknell

Culms usually 25–110 cm. Leaves usually 1–4(–4.5) mm wide, widest usually 1.6–4(–4.5) mm wide. Inflorescences usually (1.5–)1.8–5.5 cm; spikes 3–8. Perigynia 2.3–3.8 × 1.5–3 mm, 1.1–1.7 times as long as wide; beak usually 0.6–1.25 mm.

Fruiting late spring–early summer. Bogs, acidic swamp forests, wet pinelands, wet, acidic soils; 0–1300 m; N.S.; Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Ky., La., Maine, Md., Mass., Mich., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Tex., Va., W.Va.