Where A Weed
North America | Weed Science Society of America (2010) - Composite List of Weeds |
South America | Inter-American Biodiversity Information Network |
Europe | NOBANIS - European Network on Invasive Alien Species |
UK & Ireland | Online Atlas of the British & Irish Flora |
Mediterranean | Plants of the World Online |
East Asia | T. Mito & T. Uesugi (2004) - Invasive Alien Species in Japan |
South-East Asia | Plants of the World Online |
Russia | Plants of the World Online |
Central Asia | S. Nowak & A.S. Nowak (2013) |
Indian Ocean | Plants of the World Online |