Willows (Salix spp.) except Salix babylonica, S. x reichardtii, S. x calodendron, S. cinerea and s. nigra are declared noxious in the Illawarra District Weeds Authority control area (including Kiama, Shellharbour and Wollongong council areas).
The weed control class is 4. This means that:
“The plant must not be sold, propogated or knowingly distributed”.
For more detailed information click here