List B - Eradication

List B - Eradication

Weeds identified as having varying populations throughout the state. Eradication zones may be established in areas where the weed is uncommon and complete elimination is required. Select the photo to get details on each item.

Please visit the List B page for identification and control information.

List B Countywide Eradication

Noxious weeds that are required to be eradicated countywide 

  • Absinth wormwood
  • Black henbane
  • Bull thistle
  • Common tansy
  • Dame's rocket
  • Moth mullein
  • Oxeye daisy
  • Perennial pepperweed
  • Plumeless thistle
  • Russian knapweed
  • Salt cedar (aka Tamarisk)

List B Eradication and Containment Zones

Noxious weeds that are required to be eradicated in parts of the county and controlled in all other parts of the county

Bouncingbet Map

Chamomile Map

Chinese Clematis Map

Diffuse Knapweed Map

Hoary Cress Map

Houndstongue Map

Leafy Spurge Map

Russian Olive Map

Spotted Knapweed Map

Sulfur Cinquefoil Map

Teasel Map

List B Control

Noxious weeds that must be controlled

  • Canada thistle
  • Dalmatian toadflax
  • Eurasian watermilfoil
  • Jointed goatgrass
  • Musk thistle
  • Scotch thistle
  • Yellow toadflax