Environmental weed in Victoria.
http://keyserver.lucidcentral.org/weeds/data/media/Html/avena_barbata.htm
Avena barbata 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
Aranda Bushland City Renewal Authority Area Gigerline Nature Reserve Isaacs Ridge Isaacs Ridge and Nearby Jarramlee-West MacGregor Grasslands Jerrabomberra Wetlands Kama Lyneham Wetland Molonglo River Reserve Point Hut to Tharwa Saint Mark's College & Grassland. Stirling Park Sullivans Creek, Lyneham South Tharwa Bridge Wanniassa Hill