Washington State Weeds

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Washington State Noxious Weed List:

Absinth Wormwood	Annual Bugloss	Austrian Fieldcress	Balkan Catchfly
Bighead Knapweed	Black Henbane	Black Knapweed	Black Grass
Blood Drops	Blueweed	Bohemian Knotweed	Brazilian Elodia
Buffalobur	Bull Thistle	Butterfly Bush	Camelthorn
Canada Thistle	Cereal Rye	Cherry Laurel	Clary Sage
Common Bugloss	Common Cordgrass	Common Crupina	Common Fennel
Common Groundsel	Common Hawkweed	Common Ivy	Common Reed
Common St. Johnswort	Common Tansy	Common Teasel	Creeping Fieldcress
Curlyleaf Pondweed	Dalmatian Toadflax	Denseflowered Cordgrass	Diffuse Knapweed
Distaff Thistle	Dyers Woad	Eggleaf Spurge	English Holly
Eurasian Frogs-bit	Eurasian Watermilfoil	European Hawkweed	European Mountain Ash
Evergreen Blackberry	Fanwort	Featherhead Knapweed	Field Bindweed
Floating Primrose-Willow	Flowering Rush	Fragrant Water Lily	Garden Loosestrife
Garlic Mustard	Giant Hogweed	Giant Knotweed	Giant Reed
Goatsrue	Gorse	Grass Leaved-Arrowhead	Hairy Whitetop
Hairy Willow Herb	Hawkweed Oxtongue	Hawkweed Species	Herb Robert
Himalayan Blackberry	Himalayan Knotweed	Hoary Alyssum	Hoary Cress
Houndstongue	Hydrilla	Indigobush	Inula
Italian Thistle	Japanese Knotweed	Johnsongrass	Jointed Goatgrass
Kochia	Kudzu	Large Perwinkle	Lawn Burweed
Leafy Spurge	Lepyrodiclis	Lesser cattail	Lesser Celandine
Longspine Sandbur	Lovegrass Sedge	Meadow Clary	Meadow Knapweed
Mediterranean Sage	Milk Thistle	Myrtle Spurge	Narrowleaved Crosswort
Orange Hawkweed	Oriental Clematis	Oxeye Daisy	Oxtongue
Pampas Grass	Parrotfeather	Perennial Pepperweed	Perennial Sowthistle
Periwinkle	Plumeless Thistle	Poison Hemlock	Polar Hawkweed
Policemans Helmet	Puncturevine	Purple Loosestrife	Purple Starthistle
Queen-Devil Hawkweed	Reed Canarygrass	Reed Sweetgrass	Ricefield Bulrush
Rush Skeletonweed	Russian Knapweed	Salt Meadow Cordgrass	Saltcedar
Scentless Mayweed	Scotch Broom	Scotch Thistle	Shiny Geranium
Silverlace Vine	Silverleaf Nightshade	Silvery Cinquefoil	Skeleton-Leaf Bursage
Slenderflower Thistle	Smooth Cordgrass	Smooth Hawkweed	Smoothseed Dodder
Spanish Broom	Spikeweed	Spiny Cocklebur	Spotted Jewelweed
Spotted Knapweed	Spurge Flax	Spurge Laurel	Sulfer Cinquefoil
Swaisonpea	Swollen Bladderwort	Syrian Beancaper	Tallhawkweed
Tall Verbena	Tansy Ragwort	Texas Blueweed	Tree of Heaven
Unicorn Plant	Variable-Leaf Milfoil	Velvetleaf	Venice Mallow
Vochin Knapweed	Wand Loosestrife	Water Hyacinth	Water Primrose
Watercress	White Bryony	White Cockle	Wild Carrot
Wild Chervil	Yellow Archangel	Yellow-Devil Hawkweed	Yellow Flag Iris
Yellow Floating Heart	Yellow Hawkweed	Yellow Nutsedge	Yellow Starthistle
Yellow Toadflax