Saan Mga Damo
Hilagang Amerika | Weed Science Society of America (2010) - Composite List of Weeds |
Timog Amerika | Inter-American Biodiversity Information Network |
Europa | NOBANIS - European Network on Invasive Alien Species |
Mediteraneo | L. Celesti-Grapow et al (2009) |
Timog Asya | K. Moody (1989) - Weeds Reported in Rice in South & Southeast Asia |
Rusya | Чужеродные виды на территории России |
Australia | F.J. Richardson, R.G. Richardson & R.C.H. Shepherd (2007) |