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Washington State Noxious Weed List:


Absinth Wormwood

annual bugloss
Annual Bugloss

austrian fieldcress pierce county weed
Austrian Fieldcress


Balkan Catchfly

 big head knapweed
Bighead Knapweed
 
Black Henbane
 black knapweed
Black Knapweed


Black Grass

Blood Drops


Blueweed

Bohemian Knotweed

Brazilian Elodia
Brazilian Elodia


Buffalobur
Buffalobur


 
Bull Thistle
 
Butterfly Bush
 camelthorn
Camelthorn
 Canada thistle
Canada Thistle
 Cereal Rye
Cereal Rye
 Cherry Laurel
Cherry Laurel
 Clary Sage
Clary Sage
washington state noxious weeds
Common Barberry
 Common Bugloss
Common Bugloss

 common catsear
Common Catsear

 Common Cordgrass
Common Cordgrass

Common Crupina
Common Crupina

 Common Fennel
Common Fennel

 Common Groundsel
Common Groundsel

 Common Hawkweed
Common Hawkweed

Common Ivy
Common Ivy

 Common Reed
Common Reed

 Common St. Johns Wort
Common St. Johnswort

 Common Tansy
Common Tansy

Common Teasel
Common Teasel

Creeping Fieldcress
Creeping Fieldcress


Curlyleaf Pondweed
Curlyleaf Pondweed

Dalmatian Toadflax
Dalmatian Toadflax

 Dense-Flowered Cordgrass
Denseflowered Cordgrass

 Diffuse Knapweed
Diffuse Knapweed

Distaffthistle 
Distaff Thistle

 Dyers Woad
Dyers Woad

Eggleaf Spurge
Eggleaf Spurge

 English Holly
English Holly

 Eurasian Frogs Bit
Eurasian Frogs-bit

 Eurasian Watermilfoil
Eurasian Watermilfoil

European Hawkweed
European Hawkweed

 European Mountain Ash
European Mountain Ash

 Evergreen Blackberry
Evergreen Blackberry

Fanwort
Fanwort

 Featherhead Knapweed
Featherhead Knapweed

 Field Bindweed
Field Bindweed

 Floating Primrose-Willow
Floating Primrose-Willow

 Flowering Rush
Flowering Rush

 Fragrant Water Lily
Fragrant Water Lily

 Washington state noxious weeds
French Broom
 Garden Loosestrife
Garden Loosestrife

 Garlic Mustard
Garlic Mustard

 Giant Hogweed
Giant Hogweed

 Giant Knotweed
Gian
t Knotweed
 Giant Reed
Giant Reed

 Goatsrue
Goatsrue

 Gorse
Gorse

 Grass-Leaved Arrowhead
Grass Leaved-Arrowhead

 Hairy Whitetop
Hairy Whitetop

Hairy Willow Herb 
Hairy Willow Herb
 Hawkweed Oxtongue
Hawkweed Oxtongue

Hawkweed
Hawkweed Species

 Herb-Robert
Herb Robert

 Himalayan Blackberry
Himalayan Blackberry

 Himalayan Knotweed
Himalayan Knotweed

 Hoaryalyssum
Hoary Alyssum

 Hoary Cress
Hoary Cress

Houndstongue
Houndstongue
 
 Hydrilla
Hydrilla

 Indigobush 
Indigobush
Inula 
Inula
Italian Thistle
Italian Thistle
Japanese Knotweed 
Japanese Knotweed
Johnsongrass 
Johnsongrass
Jointed Goatgrass 
Jointed Goatgrass
Kochia 
Kochia
Kudzu 
Kudzu
Large Periwinkle 
Large Perwinkle
Lawn Burweed 
Lawn Burweed
Leafy Spurge
Leafy Spurge
Lepyrodiclis 
Lepyrodiclis
Lesser Cattail
Lesser cattail

Lesser Celandine 
Lesser Celandine
 Longspine Sandbur
Longspine Sandbur
Lovegrassedge 
Lovegrass Sedge
Meadow Clary 
Meadow Clary
Meadow Knapweed 
Meadow Knapweed
Mediterranean Sage
Mediterranean Sage
Milk Thistle 
Milk Thistle
Myrtle Spurge 
Myrtle Spurge
Narrowleaved Crosswort 
Narrowleaved Crosswort
orange hawkweed 
Orange Hawkweed
Oriental Clematis 
Oriental Clematis
Oxeye daisy 
Oxeye Daisy
Oxtongue 
Oxtongue
Pampasgrass 
Pampas Grass
Parrotfeather 
Parrotfeather

Perennial Pepperweed 
Perennial Pepperweed
Perennial Sowthistle 
Perennial Sowthistle
periwinkle
Periwinkle
Plumeless Thistle
Plumeless Thistle
Poison Hemlock
Poison Hemlock
Polar Hawkweed
Polar Hawkweed
Policemans Helmet
Policemans Helmet
Puncturevine
Puncturevine
Purple Loosestrife
Purple Loosestrife
Purple Starthistle
Purple Starthistle
Queen-Devil Hawkweed
Queen-Devil Hawkweed
Reed Canarygrass
Reed Canarygrass
Reed Sweetgrass
Reed Sweetgrass
Ricefield Bulrush
Ricefield Bulrush
Rush Skeletonweed
Rush Skeletonweed
Russian Knapweed
Russian Knapweed
Salt Meadow Cordgrass
Salt Meadow Cordgrass
Saltcedar
Saltcedar
Scentless Mayweed
Scentless Mayweed
Scotch Broom
Scotch Broom
Scotch Thistle
Scotch Thistle
 Shiny Geranium
Shiny Geranium

Silverlace Vine
Silverlace Vine
 
 
Silverleaf Nightshade
Silvery Cinquefoil
Silvery Cinquefoil
 Skeletonleaf Pursage 
Skeleton-Leaf Bursage
Slenderflower Thistle
Slenderflower Thistle
 Smooth Cordgrass
Smooth Cordgrass
 Smooth Hawkweed
Smooth Hawkweed
 Smoothseed Alfalfa Dodder
Smoothseed Dodder

 Spanish Broom 
Spanish Broom
Spikeweed 
Spikeweed
Spiny Cocklebur
Spiny Cocklebur
 Spotted jewelweed 
Spotted Jewelweed
Spotted Knapweed
Spotted Knapweed

 
Spurge Flax
Spurge Flax
 Spurge Laurel
Spurge Laurel
Sulfur Cinquefoil 
Sulfer Cinquefoil
Swainsonpea
Swaisonpea
 Swollen Bladderwort
Swollen Bladderwort
 Syrian Beancaper
Syrian Beancaper
 Tallhawkweed 
Tall Hawkweed
Tallverbana
Tall Verbena
 Tansy Ragwort
Tansy Ragwort
 Texas Blueweed
Texas Blueweed
Tree of Heaven
Tree of Heaven
 Unicorn Plant
Unicorn Plant
Variable-Leaf Milfoil
Variable-Leaf Milfoil
Velvetleaf
Velvetleaf
Venice Mallow
Venice Mallow
Vochin Knapweed
Vochin Knapweed
Wandloosestrife
Wand Loosestrife
Water Hyacinth
Water Hyacinth
Water Primrose
Water Primrose
watercress
Watercress
White Bryony
White Bryony
White Cockle
White Cockle

Wild Carrot
Wild Carrot

Wild Chervil
Wild Chervil

Yellow archangel
Yellow Archangel
Yellow-Devil Hawkweed
Yellow-Devil Hawkweed
Yellow Flag Iris
Yellow Flag Iris

Yellow Floating Heart
Yellow Floating Heart

Yellow Hawkweed
Yellow Hawkweed

Yellow Nutsedge
Yellow Nutsedge

Yellow Starthistle
Yellow Starthistle

Yellow Toadflax
Yellow Toadflax


 
     

 

Washington State Weeds