Kur Nezāle
Ziemeļamerika | Weed Science Society of America (2010) - Composite List of Weeds |
Karību | CABI - Invasive Species Compendium |
Centrālamerika | CABI - Invasive Species Compendium |
Eiropa | NOBANIS - European Network on Invasive Alien Species |
Vidusāzija | Plants of the World Online |
Austrālija | Australian Government - Weeds in Australia |