Foster Creek Conservation District
Foster Creek Conservation District

Priority Weed Species

Early Detection and Rapid Response (EDRR) will be key to preventing and controlling these priority species in Douglas County. The EDRR approach aims to locate and treat small infestations of new weed invaders to Douglas County before they become widely established and problematic.  

A key aspect of EDRR is education. Click on the weeds below to find out more information about priority weed species Douglas County. If you believe you have seen one of these species, please contact Aaron Rosenblum (FCCD, 509-423-5990) or Dale Whaley (WSU Extension 509 745-8531 ext. 6352).

Hoary Alyssum (Berteroa incana):

Hoary Alyssum
Hoary Alyssum Overview.pdf
Adobe Acrobat document [692.5 KB]

Yellow Starthistle (Centaurea solstitialis):

Photo Credit: WA State Noxious Weed Control Board
Yellow Starthistle
Yellow Starthistle Overview.pdf
Adobe Acrobat document [804.3 KB]

Scotch Thistle (Onopordum acanthium)

Photo Credit: A. Rosenblum
Scotch Thistle
Scotch Thistle Overview.pdf
Adobe Acrobat document [1.1 MB]

Rush Skeletonweed (Chondrilla juncea)

Photo Credit: Washington Noxious Weed Control Board
Rush Skeletonweed
Rush skeletonweed Overview.pdf
Adobe Acrobat document [920.1 KB]

Spotted Knapweed (Centaurea stoebe ssp. micranthos):

Photo Credit: WA State Noxious Weed Control Board
Spotted Knapweed
Spotted Knapweed Overview.pdf
Adobe Acrobat document [1.5 MB]

Houndstongue (Cynoglossum officinale):

Photo Credit: WA State Noxious Weed Control Board
Houndstongue
Houndstongue Overview.pdf
Adobe Acrobat document [1.9 MB]

Purple Loosestrife (Lythrum salicaria)

Photo Credit: A. Rosenblum
Purple Loosestrife
Purple Loosestrife Overview.pdf
Adobe Acrobat document [1.4 MB]
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Foster Creek Conservation District 203 S Rainier Waterville, WA 98858 509-888-6372 © Foster Creek CD