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
Noxious Weed Example Noxious Weed Example Noxious Weed Example
Four O'Clock, Wild
PDF
Additional Information
    
Mirabilis nyctaginea
Noxious Weed Example Noxious Weed Example Noxious Weed Example
Hawkweed, Orange
PDF
Additional Information
Hieracium aurantiacum
Noxious Weed Example Noxious Weed Example Noxious Weed Example
Hawkweed, Yellow
PDF
Additional Information
Hieracium caespitosum
Noxious Weed Example Noxious Weed Example Noxious Weed Example
Helmet, Policeman's 
PDF
Additional Information
 
Impatiens glandulifera
Noxious Weed Example Noxious Weed Example Noxious Weed Example
Herb-Robert
PDF 
Additional Information
  
Geraniuim 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
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Puncturevine 
PDF
Additional Information
   
Tribulus terrestris
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Saltcedar
PDF 
Additional Information
  
Tamarix ramosissima
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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
Noxious Weed Example Noxious Weed Example Noxious Weed Example
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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