Where A Weed
North America | Weed Science Society of America (2010) - Composite List of Weeds |
Europe | NOBANIS - European Network on Invasive Alien Species |
UK & Ireland | NOBANIS - European Network on Invasive Alien Species |
Mediterranean | Plants of the World Online |
Southern Africa | T. Rebelo & C.L. Ramjukadh (2012) - SANBI |
Australia | Australian Government - Weeds in Australia |
New Zealand | Auckland Regional Council |