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 
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Additional Information
 Anchusa arvensis
 Noxious Weed Example Annual Bugloss Pic 2 Annual Bugloss Pic 3
Cinquefoil, Sulfur 
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 Potentilla recta
 Sulfur Cinquefoil Pic 1 Sulfur Cinquefoil Pic 2 Sulfur Cinquefoil Pic 3
Goatgrass, Jointed
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  		 Aegilops cylindrica
 Jointed Goatgrass Pic 1 Jointed Goatgrass Pic 2 Jointed Goatgrass Pic 3
Groundsel, Common
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  		 Senecio vulgaris
 Common Groundsel Pic 1 Common Groundsel Pic 2 Common Groundsel Pic 3
Hemlock, Poison
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Additional Information
 Conium maculatum
 Poison Hemlock Pic 1 Poison Hemlock Pic 2 Poison Hemlock Pic 3
Houndstongue
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Additional Information
 Cynoglossum officinale
 Houndstongue Pic 1 Houndstongue Pic 2 Houndstongue Pic 3
St. Johnswort 
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Additional Information
 Hypericum perforatum
 St. Johnswort Pic 1 St. Johnswort Pic 2 St. Johnswort Pic 3
Thistle, Bull
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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
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Additional Information
  		 Artemisia absinthium
 Absinth Wormwood Pic 1 Absinth Wormwood Pic 2 Absinth Wormwood Pic 3