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WeedWise Program A conservation program of the Clackamas County SWCD

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Chondrilla juncea_1459567_Steve Dewey

Photo credit: Steve Dewey, Utah State University, Bugwood.org

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Think twice before killing those thistles: Thistle Identification March 21, 2017
Staff Spotlight: Sarah Hamilton, WeedWise Specialist & CWMA Coordinator April 6, 2017
Tansy Ragwort Poisons Livestock and Neighborly Relationships! July 27, 2016
Himalayan Blackberry BMP Now Available January 8, 2015
Blessed Milkthistle invading pasture lands. June 3, 2016

10 Ways to Celebrate Oregon Invasive Weed Awareness Week! May 16, 2025
Staff Spotlight: Samuel Leininger, WeedWise Manager May 8, 2025
May’s Weed of the Month: Orange Hawkweed May 1, 2025
Welcome Hayden and Sam! April 30, 2025
Happy Earth Day! April 21, 2025

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20 Questions Alliaria petiolata Best Management Practices BMP Christmas cinnabar moth Cirsium arvense Class A Class B Columbia Gorge CWMA CRISP Cytisus scoparius English holly English ivy Fallopia japonica Fallopia sachalinensis Fallopia ×bohemica forest understory Garlic mustard Hedera canariensis Hedera helix Hedera hibernica invasive IPM Irish ivy noxious Orange hawkweed Polygonum cuspidatum Polygonum sachalinensis Polygonum x bohemicum priority Puncturevine Ragwort resources Scotch broom slider Specialist staff Staff Spotlight Tansy thistle Weed-of-the-Month weed profile Weeds weedwise

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