This vaulable and common native can form large stands in the water or even on dry banks. It may be confused with torpedo grass, para grass, cupscale grass or blue maidencane. It provides food, protection and nesting materials for wildlife.
Maidencane is a grass. rhizomes extensive; stems to 6 ft. long, narrow, leaning or erect; leaf blades flat or folded, wide, to 1 in. wide, to 12 in. long, tips pointed, usually smooth; sheaths loose, hairless to hairy; inflorescence erect, narrow, spike-like, closed, 4-12 in. long, ascending branches pressed to main axis; spikelets stalked, flowers to 1/8 in. long, green, pressed against branches.
For brief control information, see Efficacy of Herbicide Active Ingredients Against Aquatic Weeds by K. Langeland, M. Netherland, and W. Haller.