What type of organism is Elodea? Elodea, also known as waterweed or elodea canadensis, is a type of aquatic plant that belongs to the family Hydrillaceae. It is native to North America and is widely distributed in freshwater environments, including ponds, lakes, and slow-moving streams. Elodea is recognized for its rapid growth and ability to thrive in various water conditions, making it a common component of aquatic ecosystems. In this article, we will explore the characteristics, ecological role, and potential impacts of Elodea in the environment.