News & Publications

Washington State University (WSU) Noxious Weed Publications

  • PNW0103 - Scotch Broom
  • PNW0105 - Field Horsetail
  • PNW0108 - Poison Oak and Poison Ivy
  • PNW0135 - Yellow and Dalmatian Toadflax
  • PNW0256E - Jointed Goatgrass
  • PNW0350 - Purple Starthistle and Iberian Starthistle
  • PNW0379 - Gorse
  • PNW0380 - Purple Loosetrife
  • PNW0396 - The Speedwells
  • PNW0398 - Curly Dock and Broadleaf Dock
  • PNW0399 - Creeping Buttercup
  • PNW0401 - Western Wildcucumber
  • PNW0420 - Distaff Thistle
  • PNW0422 - Squarrose Knapweed
  • PNW0432 - Identification of Knapweeds and Starthistles in the PNW
  • PNW0437 - Herbicide Resistant Weeds and Their Management
  • PNW0441 - Common Velvetgrass and German Velvetgrass
  • PNW0442 - St. Johnswort
  • PNW0444 - Wild Garlic
  • PNW0445 - Tuber Oatgrass
  • PNW0446 - Red Sorrel
  • PNW0447E - Wild Carrot
  • PNW0566 - Meadow Knapweed
  • WYWSWS001 - Weeds of the West - $30

Posters / Brochures

  1. Common Mullen (PDF)
  2. Diffuse Knapweed (PDF)
  3. Hand Sprayer Calibration Steps Worksheet (PDF)
  4. Help Stop the Spread of Noxious Weeds in Douglas County (PDF)
  5. Hoary Cress (PDF)
  6. Japanese Knotweed (PDF)
  7. Russian Knapweed (PDF)