Environmental weed in Victoria.
http://keyserver.lucidcentral.org/weeds/data/media/Html/oenothera_stricta_subsp._stricta.htm
Oenothera stricta subsp. stricta is listed in the following regions:
Canberra & Southern Tablelands | Albury, Wodonga | South Coast | Greater Sydney
Maps
Barneys Hill/Mt Stranger Blue Gum Point to Attunga Bay Bullen Range Cooma North Ridge Reserve Cotter Reserve Dryandra St Woodland Gigerline Nature Reserve Goulburn Mulwaree Council Isaacs Ridge Isaacs Ridge and Nearby Jerrabomberra Grassland Jerrabomberra Wetlands Kambah Pool Lake Burley Griffin West Lake Ginninderra MichaelBedingfied's Home Garden Molonglo River Reserve Mount Ainslie Mount Gray Recreation Reserve, Goulburn Mount Majura Mount Mugga Mugga Pine Island to Point Hut Point Hut Pond Point Hut to Tharwa Red Hill Nature Reserve Stony Creek Stranger Pond The Pinnacle Tuggeranong Hill Wanniassa Hill Watson Green Space West Stromlo WodongaPlaces
Canberra Airport, ACT Conder, ACT Denman Prospect, ACT Fyshwick, ACT Goulburn, NSW Hume, ACT Isaacs, ACT O'Malley, ACT Parkesbourne, NSW Red Hill, ACT Saratoga, NSW Wodonga, VIC