Curly-Leaved Pondweed Potamogeton crispus Fresh to brackish water species that forms dense beds, outcompetes native plants; inferior food source for waterfowl Additional Resources Center for Aquatic and Invasive Plants, University of Florida, IFAS Potamogeton crispus. Global Invasive Species Database, ISSG.org Invasive.org

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Chris Evans, Illinois Wildlife Action Plan, Bugwood.org