Restricted invasive species
In Ontario, it is illegal to import, deposit, release, breed/grow, buy, sell, lease or trade these four restricted invasive species:
- dog-strangling vine (also known as pale swallowwort) Cynanchum rossicum
- black dog-strangling vine (also known as black swallowwort) Cynanchum louiseae
- Japanese knotweed Reynoutria japonica var. japonica
- phragmites (also known as European common reed) Phragmites australis subsp. australis
It is also illegal to bring these plants into provincial parks and conservation reserves and to possess, transport, deposit or release them in these protected areas.