Where A Weed
Central America | Portal Nacional sobre Diversidad Biologica en Guatemala |
South America | Inter-American Biodiversity Information Network |
East & West Africa | C.W. Agyakwa & I.O. Akobundu (1987) |
Australia | Weeds of Australia - Biosecurity Queensland Edition |
Pacific Islands | Pacific Island Ecosystems at Risk (PIER) |
Indian Ocean | C. Kueffer & P. Vos (2004) |