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Invasive Species Resources

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Oregon Department of Agriculture. Plant Division. Noxious Weed Control.

See also: Oregon Noxious Weed Profiles for more species
Pacific Biodiversity Institute (Washington).
Wisconsin Department of Agriculture, Trade, and Consumer Protection.
North Dakota Department of Agriculture.

Oregon Department of Agriculture.

North Dakota Game and Fish Department.

Illinois-Indiana Sea Grant College Program.

University of Wisconsin. Sea Grant Institute.

Polk County Department of Land and Water Resources (Wisconsin).

Wisconsin Department of Natural Resources.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.
North Dakota Game and Fish Department.
City of Chicago. Department of Environment.

Wisconsin Department of Natural Resources.

Illinois Department of Public Health. Environmental Health.
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.
Oregon State University. Extension Service.
This concise publication gives useful information for homeowners, master gardeners, and professional landscapers about the boxwood blight disease: its symptoms, sanitation measures when it is discovered on a property, and preventive measures.