Kus Umbrohi
Põhja-Ameerika | US Department of Agriculture |
Kariibi | US Department of Agriculture |
Kesk-Ameerika | Portal Nacional sobre Diversidad Biologica en Guatemala |
Lõuna-Ameerika | Inter-American Biodiversity Information Network |
Ida-Aasia | Flora of China (efloras.org) |
Austraalia | R.P. Randall (2007) - The Introduced Flora of Australia and its Weed Status |