SILENE Système d'Information et de Localisation des Espèces Natives et Envahissantes
Invasive Plant Species
Plantes invasives en France - Serge Mûller (coordonateur)
Allien plant invaders of natural area
Espèces envahissantes et proliférantes (Imep)
Invasions Biologiques et Traits d’Histoire de Vie (Rennes 2005)
Carpobrotus
Gouffeïa
Astragalus
Rare european species
Weeds BC
A list of noxious weeds
in BC
BC Weed Legislation
Invasive Plant Alert, Ministry of Agriculture, Food and Fisheries
Invasive
Plants of Canada Project
Invasive
plants of natural habitats in Canada (CWS)
Guide
to Monitoring Exotic and Invasive Plants )
Aliens
Newsletter (IUCN)
A Global Compendium of Weeds
Invasive
Aquatic Plant Databases
Economics
of Biological Invasions
Invasive
Plant Atlas of New England
Wetland
Invasives (Maine)
The
University of Montana Invaders Database
Centre
for Aquatic and Invasive Plants
Mapping
Invasive Plants
A Global
Compendium of Weeds
Resource
Page on Invasive Plants
Ecology
and Management of Invasive Plants Program
Plant
Conservation Alliance-Alien Plant Working Group
Invasive
Plant Council of New York State
Pitcairn
Island Invasives
Melastomataceae
Invasives
Invasive
Plants Mercer Island
Invasive and Noxious Weeds
USGS research on invasive species includes all significant groups of invasive organisms in terrestrial and aquatic ecosystems