Leaf blades 3.2-7 mm wide at widest. Perigynia ovate-lanceolate or diamond-shaped, (3.3-)3.6-5.4 × 1.1-1.5 mm, 3-5 times as long as wide, margin flat, including wing 0.1-0.3 mm wide.

Fruiting early-mid summer. Open floodplain forests, moist to wet grasslands, ditches, stream banks, wet thickets; 20-600 m; N.B., N.S., Ont., Que.; Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

From Flora of Indiana (1940) by Charles C. Deam

Very common throughout the state in swamps, open marshes, low woods, and ditches and on the low borders of streams and ponds.

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Indiana Coefficient of Conservatism: C = 5

Wetland Indicator Status: OBL