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Washington State Noxious Weed List
Class A Weeds

2003 Washington State Noxious Weed List - Class A Weeds

Common Name

Scientific Name

Common Name

Scientific Name

bean-caper, Syrian

Zygophyllum fabago

knapweed, bighead

Centaurea macrocephala

blueweed, Texas

Helianthus ciliaris

knapweed, Vochin

Centaurea nigrescens

broom, Spanish

Spartium junceum

Kudzu

Pueraria montana var. lobata

buffalobur

Solanum rostratum

lawnweed

Soliva sessilis

clary, meadow

Salvia pratensis

mustard, garlic

Alliaria petiolata

cordgrass, denseflower 

Spartina Densiflora

nightshade, silverleaf

Solanum elaeagnifolium

cordgrass, salt meadow

Spartina patens

sage, clary

Salvia sclarea

crupina, common

Crupina vulgaris

sage, Mediterranean

Salvia aethiopis

flax, spurge

Thymelaea passerina

spurge, eggleaf

Euphorbia oblongata

four o' clock, wild

Mirabilis nyctaginea

starthistle, purple

Centaurea calcitrapa

goatsrue

Galega officinalis

thistle, Italian

Carduus pycnocephalus

hawkweed, yellow devil

Hieracium floribundum

thistle, milk

Silybum marianum

hogweed, giant

Heracleum mantegazzianum

thistle, slenderflower

Carduus tenuiflorus

hydrilla

Hydrilla verticillata

velvetleaf

Abutilon theophrasti

johnsongrass

Sorghum halepense

woad, dyers

Isatis tinctoria

     
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