Kus Umbrohi
Põhja-Ameerika | Weed Science Society of America (2010) - Composite List of Weeds |
Lõuna-Ameerika | Inter-American Biodiversity Information Network |
Euroopa | NOBANIS - European Network on Invasive Alien Species |
Vahemere | Plants of the World Online |
Ida-Aasia | T. Mito & T. Uesugi (2004) - Invasive Alien Species in Japan |
Venemaa | Plants of the World Online |
Kesk-Aasia | S. Nowak & A.S. Nowak (2013) |