Weeds of Concern

Weeds of Concern have a negative impact on property in Spokane County and when found, the Spokane County Noxious Weed Control Board will encourage their control.
Common Name Scientific Name Picture 1 Picture 2 Picture 3
Bugloss, Annual 
Additional Information
Anchusa arvensis
Noxious Weed Example Annual Bugloss Pic 2 Annual Bugloss Pic 3
Cinquefoil, Sulphur 
Additional Information
Potentilla recta
Sulfur Cinquefoil Pic 1 Sulfur Cinquefoil Pic 2 Sulfur Cinquefoil Pic 3
Goatgrass, Jointed
Additional Information
Aegilops cylindrica
Jointed Goatgrass Pic 1 Jointed Goatgrass Pic 2 Jointed Goatgrass Pic 3
Grounsel, Common
Additional Information
Senecio vulgaris
Common Groundsel Pic 1 Common Groundsel Pic 2 Common Groundsel Pic 3
Hemlock, Poison 
Additional Information
Conium maculatum
Poison Hemlock Pic 1 Poison Hemlock Pic 2 Poison Hemlock Pic 3
Additional Information
Cynoglossum officinale
Houndstongue Pic 1 Houndstongue Pic 2 Houndstongue Pic 3
St. Johnswort 
Additional Information
Hypericum perforatum
St. Johnswort Pic 1 St. Johnswort Pic 2 St. Johnswort Pic 3
Thistle, Bull
Additional Information
Cirsium vulgare
Bull Thistle Pic 1 Bull Thistle Pic 2 Bull Thistle Pic 3
Thistle, Russian
Additional Information
Salsola kali
Russian Thistle Pic 1 Russian Thistle Pic 2 Russian Thistle Pic 3
Wormwood, Absinth
Additional Information
Artemisia absinthium
Absinth Wormwood Pic 1 Absinth Wormwood Pic 2 Absinth Wormwood Pic 3