Environmental weed in ACT. NSW, and Victoria.
http://keyserver.lucidcentral.org/weeds/data/media/Html/populus_alba.htm
http://www.environment.gov.au/cgi-bin/biodiversity/invasive/weeds/weeddetails.pl?taxon_id=2883
Populus alba is listed in the following regions:
Canberra & Southern Tablelands | Albury, Wodonga | South Coast
Species page sighting lists are under redevelopment and will return very soon.
Maps
City Renewal Authority Area Cooma North Ridge Reserve Cotter Reserve Isaacs Ridge Isaacs Ridge and Nearby Jerrabomberra Wetlands Lake Burley Griffin Central/East Lyneham Wetland Mawson Ponds Stirling Park Sullivans Creek, Lyneham South Sullivans Creek, Turner Tharwa BridgePlaces
Cootralantra, NSW Lake George, NSW Manar, NSW Winifred, NSW