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General: Sedge family (Cyperaceae). Woolgrass (Scirpus cyperinus) is a tall perennial with slender culms. This species is an erect grasslike plant that commonly grows four to five feet (Tiner 1987). The leaves are smooth, flat, elongated, and up to ½ inch wide. The flowers occur in dense rounded clusters of greenish-brown spiklets arising from the top of the culm. The fruits are yellow-gray to white achenes surpassed by long red-brown bristles at maturity
Woolgrass is found in irregularly flooded tidal fresh marshes, inland marshes, wet meadows, and swamps. This species grows best in areas with wet soil moisture content and is seldom found in more than a few inches of water (Voss 1972). It prefers peat or sandy soil types in full to partially sunny locations.