Cattail
Cattail is probably the best known perennial aquatic plant in the world. There are four different 1 species of cattail in the North America, and all are commonly found in wet or hydric soils. Throughout the United States, they are commonly found in marshes, swamps and shallow waters. The plant can also be found in brackish water in coastal areas and can form dense colonies that can grow 10 to 12 feet.