The Maine Department of Environmental Protection has identified the following as Invasive Aquatic Plants:

• Brazillian Elodea
• Curly Leaved Pondweed
• Eurasian Water Milfoil
• European Frogbit
• Wuropean Naiad
• Fanwort
• Hydrilla
• Parrot feather
• Variable-leaf Water Milfoil and invasive hybrid of this species
• Water Chestnut
• Yellow Floating Heart

• Do not boat, swim or fish in weedy waters
• Clean the outside of your boat, motors, trailers and anchor before and after launching.
• Flush the engine with water to get rid of any plant fragments.
• Check oars, paddles and the outside of paddled craft such as kayaks, canoes, and rowboats, which can easily pick up plant material in shallow waters.
• Dispose of the fragments far from the water body.