Includes many photographs of Australian weeds.
Includes listings of invasive species in Brazil, and fact sheets on many species, in Portuguese and Spanish.
Includes useful presentations produced by México staff; in English and Spanish.
Other site resources
Assessments of invasive species issues for various operating units in The Nature Conservancy.
An extraordinary database consisting of invasive plant lists, observations, and publications. Look here to learn if a plant has been observed acting as an invader.