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Spokane County Class B Designates Noxious Weed List

Spokane County's Class B Designates Noxious Weed List includes the following weeds. If available, included in the list are pictures of the individual weed in varying stages of growth.

Common Name Scientific Name Picture 1 Picture 2 Picture 3
Blueweed

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Echium vulgare Blueweed Pic 1 Blueweed Pic 2 Blueweed Pic 3
Broom, Scotch

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Cytisus scoparius Scotch Broom Pic 1 Scotch Broom Pic 2 Scotch Broom Pic 3
Carrot, Wild **

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Daucus carota Wild Carrot Pic 1 Wild Carrot Pic 2 Wild Carrot Pic 3
Catsear, Common

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Hypochaeris radicata Common Catsear Pic 1 Common Catsear Pic 2 Common Catsear Pic 3
Chervil, Wild

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Anthriscus sylvestris Wild Chervil Pic 1 Wild Chervil Pic 2 Wild Chervil Pic 3
Daisy, Oxeye

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Leucanthemum vulgare Oxeye Daisy Pic 1 Oxeye Daisy Pic 2 Oxeye Daisy Pic 3
Elodea, Brazilian

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Egeria densa Brazilian Elodea Pic 1 Brazilian Elodea Pic 2 Brazilian Elodea Pic 3
Floating Heart, Yellow***

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Nymphoides peltata Yellow Floating Heart Pic 1 Yellow Floating Heart Pic 2 Yellow Floating Heart Pic 3
Gorse

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Ulex europaeus Gorse Pic 1 Gorse Pic 2 Gorse Pic 3
Hawkweed, Mouseear

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Hieracium pilosella Mouseear Hawkweed Pic 1 Mouseear Hawkweed Pic 2 Mouseear Hawkweed Pic 3
Hawkweed, Yellow

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Hieracium caespitosum Yellow Hawkweed Pic 1 Yellow Hawkweed Pic 2 Yellow Hawkweed Pic 3
Helmet, Policeman's

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Impatiens glandulifera Policeman's Helmet Pic 1 Policeman's Helmet Pic 2 Policeman's Helmet Pic 3
Knapweed, Russian

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Acroptilon repens Russian Knapweed Pic 1 Russian Knapweed Pic 2 Russian Knapweed Pic 3
Loosestrife, Purple

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Lythrum salicaria Purple Loosestrife Pic 1 Purple Loosestrife Pic 2 Purple Loosestrife Pic 3
Parrotfeather

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Myriophyllum acquaticum Parrotfeather Pic 1 Parrotfeather Pic 2 Parrotfeather Pic 3
Primrose, Water

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Ludwiga hexapetala Water Primrose Pic 1 Water Primrose Pic 2 Water Primrose Pic 3
Saltcedar

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Tamarix ramosissima Saltcedar Pic 1 Saltcedar Pic 2 Saltcedar Pic 3
Spurge, Leafy

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Euphorbia esula Leafy Spurge Pic 1 Leafy Spurge Pic 2 Leafy Spurge Pic 3
Starthistle, Yellow

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Centaurea solstitialis Yellow Starthistle Pic 1 Yellow Starthistle Pic 2 Yellow Starthistle Pic 3
Thistle, Musk

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Cardurus mutans Musk Thistle Pic 1 Musk Thistle Pic 2 Musk Thistle Pic 3
Thistle, Plumeless

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Cardurus acanthoides Plumeless Thistle Pic 1 Plumeless Thistle Pic 2 Plumeless Thistle Pic 3
Thistle, Scotch

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Onopordum acanthium Scotch Thistle Pic 1 Scotch Thistle Pic 2 Scotch Thistle Pic 3
Toadflax, Dalmatian*

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Linaria dalmatica Dalmatian Toadflax Pic 1 Dalmatian Toadflax Pic 2 Dalmatian Toadflax Pic 3

* Control of this weed will be enforced only on public road right-of-ways in the county and in a two-mile-wide buffer strip along the Lincoln County border.

** When it is found outside of maintained lawns and flowerbeds.

*** Except in Lake Spokane.


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