Invasive aquatic plants
Ontario’s invasive aquatic plant list.
March 11, 2013
Ontario’s invasive aquatic plant list
| Common name | Scientific name |
|---|---|
| Brazilian Waterweed | Egeria densa |
| Curly-Leaved Pondweed | Potamogeton crispus |
| Eurasian Water-Milfoil | Myriophyllum spicatum |
| Eurasian and Northern Milfoil hybrid | Myriophyllum spicatum x M. sibiricum |
| European Frog-Bit | Hydrocharis morsus-ranae |
| European Lake Sedge | Carex acutiformis |
| European Water Chestnut | Trapa natans |
| Fanwort | Cabomba caroliniana |
| Flowering Rush | Butomus umbellatus |
| Hydrilla | Hydrilla verticillata |
| Parrotfeather | Myriophyllum aquaticum |
| Phragmites also known as European Common Reed | Phragmites australis subsp. australis |
| Purple Loosestrife | Lythrum salicaria |
| Rough (Great) Manna Grass | Glyceria maxima |
| Yellow Iris | Iris pseudacorus |
| Water Hyacinth | Eichhornia crassipes |
| Water Lettuce | Pistia stratiotes |
| Watermoss-Salvinia species | Salvinia molesta, S. auriculata, S. minima, S. natans |
| Water Soldier | Stratiotes aloides |
Updated: March 20, 2025
Published: October 22, 2018
Footnotes
- footnote[*] Back to paragraph Species listed in regulation under Ontario’s Invasive Species Act. If you undertake certain activities involving these species, additional rules under Ontario’s Invasive Species Act may apply. For more information on Ontario’s invasive species regulations, visit Managing invasive species in Ontario.