Kur Nezāle
Ziemeļamerika | Weed Science Society of America (2010) - Composite List of Weeds |
Dienvidamerika | Inter-American Biodiversity Information Network |
Eiropa | NOBANIS - European Network on Invasive Alien Species |
Apvienotā Karaliste un Īrija | Online Atlas of the British & Irish Flora |
Vidusjūra | E.D. Dana, M. Sanz-Elorza & E. Sobrino (2001) |
Austrum un Rietumi Āfrika | Plants of the World Online |
Austrālija | R.P. Randall & O. Kessal (2004) |
Jaunzēlande | Pacific Island Ecosystems at Risk (PIER) |
Klusā Okeāna | Pacific Island Ecosystems at Risk (PIER) |