Pest plant ACT. General biosecurity duty NSW.
http://weeds.dpi.nsw.gov.au/Weeds/Details/252
http://keyserver.lucidcentral.org/weeds/data/media/Html/onopordum_acanthium.htm
Onopordum acanthium is listed in the following regions:
Canberra & Southern Tablelands | South Coast
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Block 402 Brindabella National Park Budjan Galindji (Franklin Grassland) Reserve Callum Brae Central Molonglo Crace Grasslands Dunlop Grasslands Farrer Ridge Goulburn Wetlands Gungaderra Grasslands Gungahlin Pond Hughes Garran Woodland Isaacs Ridge Isaacs Ridge and Nearby Isaacs Ridge Offset Area Jarramlee-West MacGregor Grasslands Jerrabomberra Grassland Lake Burley Griffin Central/East Mount Jerrabomberra Mount Majura Mount Mugga Mugga Mount Painter Mulligans Flat Pine Island to Point Hut Point Hut to Tharwa QPRC LGA Red Hill Nature Reserve Red Hill to Yarralumla Creek Scrivener Hill Stirling Park Sullivans Creek, Turner Wanniassa Hill Watson Green Space Watson WoodlandsSurvey points
Justice Robert Hope Reserve (JRH)Places
Barton, ACT Bungendore, NSW Carwoola, NSW Cook, ACT Fadden, ACT Forde, ACT Franklin, ACT Fraser, ACT Fyshwick, ACT Garran, ACT Goulburn, NSW Greenway, ACT Hughes, ACT Hume, ACT Isaacs, ACT Jerrabomberra, ACT Jerrabomberra, NSW Macgregor, ACT Mitchell, ACT Nicholls, ACT O'Malley, ACT Paddys River, ACT Palmerston, ACT Red Hill, ACT Stromlo, ACT Symonston, ACT Thuddungra, NSW Turner, ACT Uriarra, NSW Wamboin, NSW Watson, ACT Yarralumla, ACT