Đâu cỏ dại
Bắc Mỹ | Weed Science Society of America (2010) - Composite List of Weeds |
Nam Mỹ | Inter-American Biodiversity Information Network |
Châu Âu | NOBANIS - European Network on Invasive Alien Species |
Nam Phi | I.A.W. MacDonald (2003) - Invasive Alien Species in Southern Africa |
Đông Á | T. Mito & T. Uesugi (2004) - Invasive Alien Species in Japan |
Nam Á | Acharya N.G. Ranga Agricultural University - Hyderabad (2015) |
Đông Nam Á | CABI - Invasive Species Compendium |
Nga | Plants of the World Online |
Trung Đông | S. Hassannejad, M.S. Pirouie & E. Abbasvand (2014) |
Châu Úc | Cotton Catchment Communities |
Tân Tây Lan | NZ Plant Conservation Network |
Thái Bình Dương | Pacific Island Ecosystems at Risk (PIER) |