Donde un Mala Hierba
América del Norte | Weed Science Society of America (2010) - Composite List of Weeds |
América Central | Plants of the World Online |
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 | N. Turland, D. Phitos, G. Kamari & P. Bareka (2004) |
África del Sur | T. Rebelo & C.L. Ramjukadh (2012) - SANBI |
Asia del Este | T. Mito & T. Uesugi (2004) - Invasive Alien Species in Japan |
Asia del Sur | Indian Society of Weed Science |
Sudeste Asiático | K. Moody (1989) - Weeds Reported in Rice in South & Southeast Asia |
Asia Central | Plants of the World Online |
Australia | B.A. Auld & R.W. Medd (1987) |
Nueva Zelanda | NZ Plant Conservation Network |
Islas del Pacifico | Pacific Island Ecosystems at Risk (PIER) |
Océano Índico | CABI - Invasive Species Compendium |