BLM Weeds
The Bureau of Land Management's "Pulling Together-National Strategy for Invasive Plant Management".
The Worst Invasive Species
The Nature Conservancy's national program for dealing with harmful invasive plant species on its preserves.
California Exotic Pest Plant Council
Dedicated to finding solutions to problems caused by non-native pest plant invasions of the state's natural areas.
Pacific Island Ecosystems at Risk
Listings and descriptions of invasive plant species which threaten Pacific island ecosystems, particularly those of Micronesia and American Samoa.
Species Abstracts of Highly Disruptive Exotic Plants
Literature reviews on the taxonomy, ecology, distribution, and control options for numerous species of exotic plants at three national monuments in the upper Midwest.
Invasive Species
USGS Biological resources that deal with invasive plant species.
The Invasive Plant Council of New York State
A not-for-profit organization that provides guidance on the management of invasive plants with the goal of protecting biodiversity in New York (USA).
Idaho Weed Summit
The Spread of Invasive Weeds in Western Wildlands.