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WeedWise Program A conservation program of the Clackamas County SWCD

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Carex amplifolia

from Oregon Flora Image Project. https://www.botany.hawaii.edu/faculty/carr/ofp/images2/car_amp_rlc_XII__4089b.jpg

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Latest

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

October’s Weed of the Month: Himalayan Blackberry October 1, 2024
September’s Weed of the Month: Knotweed September 3, 2024
August’s Weed of the Month: Puncturevine August 1, 2024
Tansy Ragwort Poisons Livestock and Neighborly Relationships! July 23, 2024
Welcome Makayla! July 13, 2024

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

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WeedWise Program