Noxious Weed List - Details


Here are the details regarding each noxious weed as linked to from the noxious weed list page.
Each weed is displayed with one or more larger photographs and a video if available.

Blue Weed
Echium Vulgare
Control is below the ordinary high-water mark of the Nisqually River.
Blueweed1 Blueweed2
   
Buffalobur
Solanum rostratum
Buffalobur1 Buffalobur2
   
Bugloss, Annual
Anchusa arvensis
Bugloss, Annual 
   
Bugloss, Common
Anchusa officinalis 
Bugloss, Common Bugloss, Common
   
Butterfly Bush
Buddleia davidii 
Butterfly Bush Butterfly Bush
Butterfly Bush
Informational Video

Originally produced and aired on TCTV July 2007
   
Chervil, Wild
Anthriscus sylvestris
Chervil, Wild
Informational Video
   
Elodea, Brazilian
Egeria densa
Elodea, Brazilian Elodea, Brazilian
Informational Video
Brazilian Elodea - Five Years Later
   
Fennel, Common
(except variety azoricum)
Foeniculum vulgare
Fennel, Common Fennel, Common
Fennel, Common Fennel, Common
Fennel, Common
Informational Video
Informational Video
   
Geranium, Shiny
Geranium Lucidum
Geranium, Shiny
   
Gorse
Ulex europaeus
Gorse
Gorse Gorse
Informational Video
   
Hawkweed, Mouseear
Hieracium pilosella
Control is required on transportation rights of way only.
Hawkweed, Mouseear Hawkweed, Mouseear
Hawkweeds Informational Video
(This video provides information about Mouseear, Orange, and Yellow Devil Hawkweeds)

   
Hawkweed, Orange
Hieracium aurantiacum
Hawkweed, Orange Hawkweed, Orange
See Hawkweeds video above for Mouseear, Orange, and Yellow Devil information.
   
Hawkweed, Yellow
Hieracium caespitosum
Hawkweed, Yellow
   
Hawkweed, Yellow Devil
Hieracium floribundum
Hawkweed, Yellow Devil Hawkweed, Yellow Devil
See Hawkweeds video above for Mouseear, Orange, and Yellow Devil information.
   
Hemlock, Poison
Conium maculatum
Hemlock, Poison Hemlock, Poison
   
Hogweed, Giant
Heracleum mantegazzianum
Hogweed, Giant Hogweed, Giant
Informational Video
   
Knapweed, Diffuse
Centaurea diffusa
Knapweed, Diffuse
Knapweeds Informational Video
(This video provides information about Diffuse, Meadow, and Spotted Knapweeds)

   
Knapweed, Meadow
Centaurea jacea x nigra
Except the area below the ordinary high-water mark of the Nisqually River, downstream from Alder Dam to Puget Sound.
Knapweed, Meadow Knapweed, Meadow
See Knapweeds video above for more information.
   
Knapweed, Spotted
Centaurea biebersteinii
Knapweed, Spotted Knapweed, Spotted
See Knapweeds video above for more information.
   
Knotweed, Bohemian
Polygonum Bohemicum
Control is required on transportation rights of way and gravel mines only.
(not accepted as yard waste or garbage at Thurston County WARC disposal sites)
Knotweed, Bohemian Knotweed, Bohemian
Knotweeds Informational Video
(This video provides information about Bohemian, Giant, Himalayan, and Japanese Knotweeds)

Knotweeds Public Service Announcement Video
   
Knotweed, Giant
Polygonum sachalinense
(not accepted as yard waste or garbage at Thurston County WARC disposal sites)
Knotweed, Giant Knotweed, Giant
See Knotweeds video above for more information.
   
Knotweed, Himalayan
Polygonum polystachyum
(not accepted as yard waste or garbage at Thurston County WARC disposal sites)
Knotweed, Himalayan Knotweed, Himalayan
See Knotweeds video above for more information.
   
Knotweed, Japanese
Polygonum cuspidatum
Control is required on transportation rights of way and gravel mines only.
(not accepted as yard waste or garbage at Thurston County WARC disposal sites)
Knotweed, Japanese Knotweed, Japanese
See Knotweeds video above for more information.
   
Loosestrife, Garden
Lysimachia vulgaris
Loosestrife, Garden Loosestrife, Garden
   
Loosestrife, Purple
Lysimachia salicaria
Loosestrife, Purple Loosestrife, Purple
Loosestrife, Purple Loosestrife, Purple
Purple Loosestrife Informational Video
   
Loosestrife, Wand
Lysimachia virgatum

See pictures above - Purple and Wand look the same
   
Milfoil, Variable-Leaf
Myriophyllum heterophyllum
Milfoil, Variable-Leaf Milfoil, Variable-Leaf
   
Parrot Feather
Myroriophyllum Aquaticum
Parrot Feather
Parrot Feather Parrot Feather
Informational Video
   
Pepperweed, Perennial
Lepidium latifolium
Pepperweed, Perennial
Pepperweed, Perennial Pepperweed, Perennial
   
Ragwort, Tansy
Senecio jacobaea
Control is required when 25 or more plants are present in an area of 20 acres or less.
This area may include more than one parcel if the area is under the same ownership.
Ragwort, Tansy Ragwort, Tansy
Informational Video
   
Reed, Common
(Non-native genotypes of)
Phragmites australis
Reed, Common
   
Skeletonweed, Rush
Chondrilla juncea
Skeletonweed, Rush
Skeletonweed, Rush Skeletonweed, Rush
   
Sowthistle, Perennial
Sonchus arvensis ssp. arvensis
Sowthistle, Perennial Sowthistle, Perennial
   
Spurge, Laurel
Daphne laureola
Spurge, Laurel Spurge, Laurel
   
Thistle, Italian
Carduus pycnocephalus
Thistle, Italian Thistle, Italian
   
Thistle, Milk
Silybum marianum
Thistle, Milk Thistle, Milk
   
Thistle, Scotch
Onopordum acanthium
Thistle, Scotch Thistle, Scotch
   
Thistle, Slenderflower
Carduus tenuiflorus
Thistle, Slenderflower
   
Toadflax, Dalmatian
Linaria dalmatica ssp. dalmatica
Toadflax, Dalmatian
Toadflax, Dalmatian Toadflax, Dalmatian
   
Velvetleaf
Abutilon thophrasti
Velvetleaf
Velvetleaf Velvetleaf

 

 

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Address questions or comments to: tcweeds@co.thurston.wa.us