Gdje Je Korov
Sjeverna Amerika | Weed Science Society of America (2010) - Composite List of Weeds |
Južna Amerika | Inter-American Biodiversity Information Network |
Europa | NOBANIS - European Network on Invasive Alien Species |
Ujedinjeno Kraljevstvo i Irska | Online Atlas of the British & Irish Flora |
Mediteran | E.D. Dana, M. Sanz-Elorza & E. Sobrino (2001) |
Istok i Zapadna Afrika | Plants of the World Online |
Australija | R.P. Randall & O. Kessal (2004) |
Novi Zeland | Pacific Island Ecosystems at Risk (PIER) |
Pacifički Otoci | Pacific Island Ecosystems at Risk (PIER) |