It can grow in water several feet deep, or on the shores, and can cover large areas. It is found in swamps and along lake shores and canals. C ommon reed has stiff, erect stems that can grow 6 to 15 feet high. Leaves of reed grow alternately along the top half of the stem. Leaves are up to two feet long.
Common reed has a large, silky inflorescence that grows at the tops of the stems.
A typical inflorescence may be one to two feet long, and several inches wide. They drape to one side. W ater lettuce is a floating plant. Experts disagree as to whether water lettuce is a native or has been introduced. Water lettuce occurs in lakes, rivers and canals, occasionally forming large dense mats.