Cattail, for one, is a type of REED plant that is commonly found in wetlands and marshes. It is a tall, slender plant with a brown, fuzzy head that resembles a cat's tail. Cattails are an important part of wetland ecosystems, providing food and shelter for many species of birds, mammals, and amphibians. They are also used in traditional medicine and as a source of fiber for making baskets and other items.