Canadian waterweed Elodea canadensis
![Canadian waterweed Elodea canadensis natural history illustration by Lizzie Harper](https://lizzieharper.co.uk/wp-content/uploads/2018/09/canadian-waterweed-435x525.jpg)
Canadian waterweed Elodea canadensis pencil drawing with an emergent flower and more of this invasive weed grwoing below the water surface
Canadian waterweed Elodea canadensis pencil drawing with an emergent flower and more of this invasive weed grwoing below the water surface