Minor or sleeper weed in ACT and NSW. Common environmental weed in Victoria.
http://keyserver.lucidcentral.org/weeds/data/media/Html/viola_odorata.htm
Viola odorata is listed in the following regions:
Canberra & Southern Tablelands | South Coast | Central West NSW
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Maps
ANU Baldessin Precinct ANU Banks Precinct Aranda Bushland Australian National University Banksia Street Wetland Corridor Black Mountain Bruce Ridge to Gossan Hill Caladenia Forest, O'Connor City Renewal Authority Area Cotter Reserve Cowpers Creek TSR Dryandra St Woodland Fadden Hills Pond Farrer Ridge Flea Bog Flat to Emu Creek Corridor Flea Bog Flat, Bruce Fowles St. Woodland, Weston Giralang Wetlands Griffith Woodland Gungaderra Grasslands Haig Park Higgins Woodland Hughes Garran Woodland Isaacs Ridge Isaacs Ridge and Nearby Isaacs Ridge Offset Area Molonglo River Reserve Mount Ainslie Mount Ainslie to Black Mountain Mount Jerrabomberra Mount Jerrabomberra QP Mount Majura Mount Mugga Mugga Mount Painter Oakey Hill Point Hut Pond Point Hut to Tharwa Red Hill Nature Reserve Red Hill to Yarralumla Creek Stirling Park Stranger Pond Sullivans Creek, Acton Sullivans Creek, Turner The Pinnacle Umbagong District Park Wanniassa Hill Watson Green SpacePlaces
Ainslie, ACT Cook, ACT Denman Prospect, ACT Farrer, ACT Hackett, ACT Myrtleville, NSW Richardson, ACT Scullin, ACT Watson, ACT