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Weed Board
222 North Havana, Room 112
Spokane, WA 99202
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Class B Designates

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

More Information

Echium vulgare Blueweed Pic 1 Blueweed Pic 2 Blueweed Pic 3

Broom, Scotch

More Information

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

More Information

Anthriscus sylvestris Wild Chervil Pic 1 Wild Chervil Pic 2 Wild Chervil Pic 3

Daisy, Oxeye

More Information

Leucanthemum vulgare Oxeye Daisy Pic 1 Oxeye Daisy Pic 2 Oxeye Daisy Pic 3

Elodea, Brazilian

More Information

Egeria densa Brazilian Elodea Pic 1 Brazilian Elodea Pic 2 Brazilian Elodea Pic 3

Floating Heart, Yellow***

More Information

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

Gorse

More Information

Ulex europaeus Gorse Pic 1 Gorse Pic 2 Gorse Pic 3

Hawkweed, Mouseear

More Information

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

Hawkweed, Yellow

More Information

Hieracium caespitosum Yellow Hawkweed Pic 1 Yellow Hawkweed Pic 2 Yellow Hawkweed Pic 3

Helmet, Policeman's

More Information

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

More Information

Euphorbia esula Leafy Spurge Pic 1 Leafy Spurge Pic 2 Leafy Spurge Pic 3

Starthistle, Yellow

More Information

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

More Information

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

Thistle, Scotch

More Information

Onopordum acanthium Scotch Thistle Pic 1 Scotch Thistle Pic 2 Scotch Thistle Pic 3

Toadflax, Dalmatian*

More Information

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.