- Canada Thistle
- Cutleaf/Himalayan Blackberry
- English holly
- False Brome
- Garlic Mustard
- Hawkweeds
- Houndstongue
- Indigobush
- Invasive Ivy
- Knotweeds
- Meadow Knapweed
- Old Man’s Beard
- Poison hemlock
- Puncturevine
- Purple loosestrife
- Reed Canarygrass
- Rush Skeletonweed
- Scotch broom
- Scotch thistle
- Shiny geranium
- Spotted knapweed
- Tansy Ragwort
- Tree of Heaven
- Ventenata
- Yellow starthistle
-
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Columbia Gorge 