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Class C Noxious Weeds, 2009 List
(control required in King County)

Common Name Scientific Name
hairy willow-herb  Epilobium hirsutum
hawkweed, common Hieracium lachenalii
hawkweeds, non-native and invasive Hieracium spp.

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King County Noxious Weed List

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Agencies

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact a staff member at the King County Noxious Weed Control Program, please call 206-296-0290 or by reach them by email.