The Nature Conservancy's U.S. program for dealing with harmful invasive plant species threatening wild land biodiversity and invading TNC preserves. Site has weed alerts and resources on weed control. A collaborative program designed to develop a regional database of exotic plant distributions for the southwest.
Mission is to stop invasive plant entry and their spread.
Detailed listing of exotic plants, common and scientific names, types of ecosystems harmed, and current known distribution. Dedicated to finding solutions to problems caused by non-native pest plant invasions of the state's natural areas. A searchable database providing citations and summaries of literature pertinent to controlling invasive exotic plants. The Nature Conservancy's national program for dealing with harmful invasive plant species on its preserves. The impacts of evasive aliens on Canada's ecosystems.