Kur Nezāle
Ziemeļamerika | H.L. Dial (2014) - USDA Natural Resources Conservation Service |
Dienvidamerika | Inter-American Biodiversity Information Network |
Eiropa | NOBANIS - European Network on Invasive Alien Species |
Apvienotā Karaliste un Īrija | S.C.P. Reynolds (2002) |
Vidusjūra | L. Celesti-Grapow et al (2009) |
Austrumāzija | T. Mito & T. Uesugi (2004) - Invasive Alien Species in Japan |
Krievija | Plants of the World Online |
Austrālija | Australian Government - Weeds in Australia |
Jaunzēlande | NZ Plant Conservation Network |