Hvor Ukrudtsplante
Nordamerika | Weed Science Society of America (2010) - Composite List of Weeds |
Europa | NOBANIS - European Network on Invasive Alien Species |
Syd Asien | K. Moody (1989) - Weeds Reported in Rice in South & Southeast Asia |
Sydøst Asien | K. Moody (1989) - Weeds Reported in Rice in South & Southeast Asia |
Australien | R.P. Randall (2007) - The Introduced Flora of Australia and its Weed Status |