Elodea is a common name used to describe a genus of aquatic plants that are also known as waterweeds. These plants are found in freshwater habitats, such as lakes, ponds, and slow-moving rivers. Elodea has various synonyms, including Anacharis, Canadian waterweed, and ditch moss. Anacharis is a widely used synonym for Elodea because it is an easy to grow plant, and it is widely distributed in North America. Canadian waterweed is another synonym that is commonly used for Elodea because it originates from Canada. Ditch moss is also a synonym for Elodea because it grows well in ditches and other water channels.