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Invasive Species Resources

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Washington Native Plant Society.
Montana Fish, Wildlife, and Parks.
Pacific Biodiversity Institute (Washington).
Montana Department of Livestock. Animal Health Division.

Illinois-Indiana Sea Grant College Program.

Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Operators of watercraft not registered in Washington State, seaplanes, and commercial transporters of specified vessel types must purchase aquatic invasive species (AIS) prevention permits to help prevent the spread of AIS in Washington. AIS prevention permits are valid for one year and can be purchased online (under the "Other" Product Categories tab) or from any of the department's authorized license dealers. When purchasing online, you may select a preferred activation date. The permit will be valid for one year from that date.
South Carolina Department of Natural Resources.
Montana State University.
The Center for Invasive Species Management closed in 2015. Archives of relevant materials are available here.
City of Chicago. Department of Environment.
South Carolina Department of Natural Resources.
Illinois Department of Public Health. Environmental Health.
Clemson University Cooperative Extension. Home and Garden Information Center.
Illinois-Indiana Sea Grant College Program; Illinois Natural History Survey; Illinois Department of Natural Resources.
Invasive species – non-native plants, animals, or pathogens that cause harm to natural areas – impact both our economy and the environment. Their environmental impacts can affect outdoor activities such as fishing, hiking and birding. You can help prevent these impacts by becoming a hero and joining the more than 90% of outdoor enthusiasts in Illinois who are already fighting the spread of invaders.
Hilton Head Island Municipal Government (South Carolina).
Montana State University Extension.