Donde un Mala Hierba
América del Norte | Weed Science Society of America (2010) - Composite List of Weeds |
América Central | Portal Nacional sobre Diversidad Biologica en Guatemala |
América del Sur | Inter-American Biodiversity Information Network |
Europa | NOBANIS - European Network on Invasive Alien Species |
Reino Unido e Irlanda | Online Atlas of the British & Irish Flora |
Mediterráneo | CABI - Invasive Species Compendium |
África Oriental e Occidental | CABI - Invasive Species Compendium |
África del Sur | I.A.W. MacDonald (2003) - Invasive Alien Species in Southern Africa |
Asia del Este | T. Mito & T. Uesugi (2004) - Invasive Alien Species in Japan |
Asia del Sur | India Biodiversity Portal |
Australia | Australian Government - Weeds in Australia |
Nueva Zelanda | C. Howell (2008) - Consolidated List of Environmental Weeds in NZ |
Islas del Pacifico | Pacific Island Ecosystems at Risk (PIER) |