Canadian waterweed Directory References Images Discover 10 Unusual Sports 10 Best Hockey Players of All Time Which Religion Is the Oldest? 6 Classical Dances of India Nostradamus and His Prophecies What Causes the Northern and Southern Lights? 7 Puzzling Plane Disappearances Contents Canadian waterweed plant Also known as: Elodea canadensis Learn about this topic in these articles:description In ElodeaCanadian waterweed (Elodea canadensis), for example, has naturalized in Asia, Africa, Australia, and Europe and is an obstacle to lake navigation in many areas.Read More