Much like no. 205 [Carex lacustris Willd.]; stems phyllopodic, surrounded by old lf-bases, the lower sheaths scarcely if at all pinkish, seldom filamentose; ligule shorter to slightly longer than wide; mature perigynia 5–8 (avg 6.9) mm, the numerous nerves scarcely elevated, often somewhat impressed, or indistinguishable under a hand-lens. Swamps and marshes; coastal plain from N.J. to Fla. and Tex., n. in the interior to Kans., Ill., Mich., and s. Ont. (C. lacustris var. laxiflora) An apparent hybrid with C. pellita has been called C. ×subimpressa Clokey.