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purple starthistle flower This Class A noxious weed has a limited distribution in Washington State; control and eventual eradication is required in King County. Purple starthistle invades pastures, meadows, and fields, displacing native and/or beneficial forage species.

For more information about purple starthistle, please follow this link to the WA State Noxious Weed Control Board.

Read an informational Centaurea brochure (316 KB Acrobat file, 46 seconds on 56K modem).

If you find purple starthistle in King County, please notify us through our online infestation form.

To find out where we have records of this weed in King County, use our interactive noxious weed map and search Arc IMS Search Tool for purple starthistle.

Purple starthistle photos - click thumbnail for larger image
purple starthistle plant - click for larger image purple starthistle rosette - click for larger image
 
Please direct questions & comments regarding noxious weeds to Program Staff, King County Noxious Weed Control Program.

For questions about the
Water and Land Resources Web Site, please contact Fred Bentler, webmaster.



Department of Natural Resources and Parks
Water and Land Resources Division

Updated: March 4, 2008

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