Link to the WSNWCB Home Page link to the About Us page Link to the Weed Laws page Link to the Noxious Weed List Link to the Weed Information page link to the Frequently Asked Questions page Link to the Education page Connect to other Links page Link to Contact Us page

Region 3 Class B Weed Designates

Region 3 contains all lands lying within the boundaries of Okanogan, Chelan, and Douglas counties and north of Highway 2..

Common name Scientific name Designated for control in:
alyssum, hoary Berteroa incana All of Region 3 except Okanogan County;

Okanogan County except Ranges 29 through 31 East of Townships 37 through 40 North

arrowhead, grass-leaved Sagittaria graminea All of Region 3
blackgrass Alopecurus myosuroides All of Region 3
blueweed Echium vulgare All of Region 3
broom, Scotch Cytisus scoparius All of Region 3
bryony, white Byronia alba All of Region 3
bugloss, common Anchusa officinalis All of Region 3
bugloss, annual Anchusa arvensis All of Region 3
camelthorn Alhagi maurorum All of Region 3
carrot, wild Daucus carota All of Region 3 (except where intentionally cultivated
catsear, common Hypochaeris radicata All of Region 3
chervil, wild Anthriscus sylvestris All of Region 3
cinquefoil, sulfur Potentilla recta All of Region 3
cordgrass, smooth Spartina alterniflora All of Region 3
cordgrass, common Spartina anglica All of Region 3
elodea, Brazilian Egeria densa All of Region 3
fanwort Cabomba caroliniana All of Region 3
fieldcress, Austrian Rorippa austriaca All of Region 3
floating heart, yellow Nymphoides peltata All of Region 3
gorse Ulex europaeus All of Region 3
hawkweed, mouseear Hieracium pilosella All of Region 3
hawkweed, orange Hieracium aurantiacum All of Region 3
hawkweed, polar Hieracium atratum All of Region 3
hawkweed queen-devil Hieracium glomeratum All of Region 3
hawkweed, smooth Hieracium laevigatum All of Region 3
hawkweed, yellow Hieracium caespitosum All of Region 3
hedgeparsley Torilis arvensis All of Region 3
helmet, policeman's Impatiens gladulifera All of Region 3
herb-Robert Geranium robertianum All of Region 3
houndstongue Cynoglossum officinale Chelan and Douglas Counties of Regions 3 and 6
indigobush Amorpha fruticosa All of Region 3
knapweed, black Centaurea nigra All of Region 3
knapweed, brown Centaurea jacea All of Region 3
knapweed, meadow Centaurea jacea x nigra All of Region 3
knapweed, spotted Centaurea biebersteinii All of Region 3
knotweed, Bohemian Polygonum bohemicum Chelan and Douglas counties of Region 3 and 6
knotweed, Japanese Polygonum cuspidatum Chelan and Douglas counties of Region 3 and 6
lepyrodiclis Lepyrodiclis holosteoides All of Region 3
loosestrife, garden Lysimachia vulgaris All of Region 3
loosestrife, purple Lythrum salicaria Region 3 except within 100 feet of the ordinary highway mark of the Okanogan River from the Canadian border south to Riverside
loosestrife, wand Lythrum virgatum Region 3 except within 100 feet of the ordinary highway mark of the Okanogan River from the Canadian border south to Riverside
nutsedge, yellow Cyperus esculentus All of Region 3
oxtongue, hawkweed Picris hieracioides All of Region 3
parrotfeather Myriophyllum aquaticum All of Region 3
pepperweed, perennial Lepidium latifolium All of Region 3
primrose, water Ludwigia hexapetala All of Region 3
ragwort, tansy Senecio jacobaea All of Region 3
saltcedar Tamarix ramosissima All of Region 3
sandbur, longspine Cenchrus longispinus All of Region 3
skeletonweed, rush Chondrilla juncea All of Region 3
sowthistle, perennial Sonchus arvensis ssp. arvensis All of Region 3
spurge, leafy Euphorbia esula All of Region 3
starthistle, yellow Centaurea solstitialis All of Region 3
swainsonpea Sphaerophysa salsula All of Region 3
thistle, musk Carduus natans All of Region 3
thistle, plumeless Carduus acanthoides All of Region 3
thistle, Scotch Onopordum acanthium All of Region 3
toadflax, Dalmatian Linaria dalmatica ssp. dalmatica Douglas County of Region 3 lying south of T25N and west of R25E

Okanogan County lying within T 33, 34, 35N, R19, 20, 21, 22E, except the southwest, southeast, and northeast quarters of the northeast quarter of section 27, T35N, R31E; and the northeast quarter of the southeast quarter of section 27, T35N, R21E

Return to Top