Noxious Weed List

The Spokane County Noxious Weed Control Board adopts a Noxious Weed List (PDF) each year. The list categorizes weeds into 4 classes: Class A, Class B Designates, Class B and Class C, according to the seriousness of the threat they pose to the County. 
 
Common Name Scientific Name Picture 1 Picture 2 Picture 3
Blueweed 
PDF
Additional Information		 Echium vulgare
 Blueweed Pic 1 Noxious Weed Example Blueweed Pic 3
Broom, Scotch
PDF 
Additional Information		 Cytisus scoparius
 Broom, Scotch Pic 1 Broom, Scotch Pic 2 Broom, Scotch Pic 3
Buffalobur
PDF 
Additional Information		 Solanum rostratum
 Buffalobu Pic 1 Buffalobu Pic 2 Buffalobu Pic 3
Bugloss, Common 
PDF
Additional Information		 Anchusa officinalis
 Bugloss, Common Pic 1 Bugloss, Common 2 Bugloss, Common 3
Chervil, Wild
PDF 
Additional Information		 Anthriscus sylvestris
 Chervil, Wild Pic 1 Chervil, Wild 2 Chervil, Wild Pic 3
Cress, Hoary 
PDF
Additional Information		 Lepidium draba
 Cress, Hoary 2 Cress, Hoary 2 Cress, Hoary 3
Daisy, Oxeye
PDF 
Additional Information		 Leucanthemum vulgare
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Four O'Clock, Wild
PDF
Additional Information
    		 Mirabilis nyctaginea
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Hawkweed, Orange
PDF
Additional Information		 Hieracium aurantiacum
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Hawkweed, Yellow
PDF
Additional Information		 Hieracium caespitosum
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Helmet, Policeman's 
PDF
Additional Information
 		 Impatiens glandulifera
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Herb-Robert
PDF 
Additional Information
  		 Geranium robertianum Herb Robert Herb Robert2 herbrobert3fix
Knapweed, Diffuse
PDF
Additional Information		 Centaurea diffusa
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Knapweed, Russian 
PDF
Additional Information
  		 Acroptilon repens
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Knapweed, Spotted
PDF
Additional Information		 Centaurea stoebe
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Kochia
PDF 
Additional Information
  		 Kochia scoparia
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Loosestrife, Purple 
PDF
Additional Information
  		 Lythrum salicaria
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Mustard, Garlic 
PDF
Additional Information
  		 Alliaria petiolata
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Puncturevine 
PDF
Additional Information
   		 Tribulus terrestris
Noxious Weed Example Noxious Weed Example Noxious Weed Example
Saltcedar
PDF 
Additional Information
  		 Tamarix ramosissima
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Skeletonweed, Rush 
PDF
Additional Information
  		 Chondrilla juncea
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Spurge, Leafy 
PDF
Additional Information		 Euphorbia esula
 Noxious Weed Example Noxious Weed Example Noxious Weed Example
Starthistle, Yellow 
PDF
Additional Information
  		 Centaurea solstitialis
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Thistle, Canada 
PDF
Additional Information		 Cirsium arvense
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Thistle, Musk 
PDF
Additional Information
  		 Carduus nutans
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Thistle, Scotch
PDF
Additional Information		 Onopordum acanthium
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Toadflax, Dalmatian
PDF
Additional Information		 Linaria dalmatica
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