General Biosecurity Duty NSW.
http://weeds.dpi.nsw.gov.au/Weeds/Details/255
http://keyserver.lucidcentral.org/weeds/data/media/Html/cirsium_vulgare.htm
Cirsium vulgare is listed in the following regions:
Canberra & Southern Tablelands | Southern Highlands | Albury, Wodonga | South Coast | Central West NSW | New South Wales North Coast | Gippsland | Greater Brisbane | Tasmania
No sightings currently exist.