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Common Teasel Resources

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Washington State Noxious Weed Control Board.

Wisconsin Department of Natural Resources.

University of Georgia. Center for Invasive Species and Ecosystem Health.
Provides state, county, point and GIS data. Maps can be downloaded and shared.

DOI. NPS. Science of the American Southwest.

See also: Invasive Plant Species for more fact sheets

Missouri Department of Conservation.

See also: Invasive and Problem Plant Control (scroll to Invasive Plants section) for more information to help you identify and control most common invasive plants in Missouri

USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.
University of Georgia. Center for Invasive Species and Ecosystem Health.
Ohio Invasive Plants Council.
See also: Invasive Plants of Ohio for worst invasive plant species identified in Ohio's natural areas
University of Georgia. Center for Invasive Species and Ecosystem Health.

King County Department of Natural Resources (Washington). Water and Land Resources Division.

Colorado Weed Management Association.

Colorado Department of Agriculture. Conservation Services Division. Noxious Weed Program.

Ohio State University. Ohio Agricultural Research and Development Center.
USDA. NRCS. National Plant Data Center.

USDA. ARS. National Genetic Resources Program. GRIN-Global.

University of California. Weed Research and Information Center.
See also: Weeds in Natural Areas for more information sheets

Centre for Invasive Species Solutions; Atlas of Living Australia; Australian Government. Department of Agriculture, Water and the Environment.

Google. YouTube; University of Wisconsin - Madison. Extension.