Canadian waterweed Directory References Images Discover What’s the Difference Between a Turtle and a Tortoise? Why Is the Indy 500 Held on Memorial Day Weekend? 7 of History's Most Notorious Serial Killers Does Ball Lightning Exist? Why Was Nazi Germany Called the Third Reich? Flags That Look Alike Why Is Pride Month Celebrated in June? 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