WAC 16-750-005. State noxious weed list — Class A noxious weeds

Common Name Scientific Name broom, French Genista monspessulana broom, Spanish Spartium junceum common crupina Crupina vulgaris cordgrass, common Spartina anglica cordgrass, dense-flowered Spartina densiflora cordgrass, salt meadow Spartina patens cordgrass, smooth Spartina alterniflora delta arrowhead Sagittaria platyphylla dyer's woad Isatis tinctoria eggleaf spurge Euphorbia oblongata false brome Brachypodium sylvaticum floating primrose-willow Ludwigia peploides flowering rush Butomus umbellatus garlic mustard Alliaria petiolata giant hogweed Heracleum mantegazzianum goatsrue Galega officinalis hydrilla Hydrilla verticillata Johnsongrass Sorghum halepense knapweed, bighead Centaurea macrocephala knapweed, Vochin Centaurea nigrescens kudzu Pueraria montana var. lobata meadow clary Salvia pratensis oriental clematis Clematis orientalis Palmer amaranth Amaranthus palmeri purple starthistle Centaurea calcitrapa reed sweetgrass Glyceria maxima ricefield bulrush Schoenoplectus mucronatus round leaf bittersweet Celastrus orbiculatus sage, clary Salvia sclarea sage, Mediterranean Salvia aethiopis silverleaf nightshade Solanum elaeagnifolium small-flowered jewelweed Impatiens parviflora South American spongeplant Limnobium laevigatum sunflower broomrape Orobanche cumana Syrian bean-caper Zygophyllum fabago Texas blueweed Helianthus ciliaris thistle, Italian Carduus pycnocephalus thistle, marsh Cirsium palustre thistle, milk Silybum marianum thistle, slenderflower Carduus tenuiflorus thistle, Turkish Carduus cinereus variable-leaf milfoil and hybrids Myriophyllum heterophyllum Myriophyllum heterophyllum x Myriophyllum hippuroides waterhemp Amaranthus tuberculatus wild four o'clock Mirabilis nyctaginea Common Name Scientific Name broom, French Genista monspessulana broom, Spanish Spartium junceum common crupina Crupina vulgaris cordgrass, common Spartina anglica cordgrass, dense-flowered Spartina densiflora cordgrass, salt meadow Spartina patens cordgrass, smooth Spartina alterniflora delta arrowhead Sagittaria platyphylla dyer's woad Isatis tinctoria eggleaf spurge Euphorbia oblongata false brome Brachypodium sylvaticum floating primrose-willow Ludwigia peploides flowering rush Butomus umbellatus garlic mustard Alliaria petiolata giant hogweed Heracleum mantegazzianum goatsrue Galega officinalis hydrilla Hydrilla verticillata Johnsongrass Sorghum halepense knapweed, bighead Centaurea macrocephala knapweed, Vochin Centaurea nigrescens kudzu Pueraria montana var. lobata meadow clary Salvia pratensis oriental clematis Clematis orientalis Palmer amaranth Amaranthus palmeri purple starthistle Centaurea calcitrapa reed sweetgrass Glyceria maxima ricefield bulrush Schoenoplectus mucronatus round leaf bittersweet Celastrus orbiculatus sage, clary Salvia sclarea sage, Mediterranean Salvia aethiopis silverleaf nightshade Solanum elaeagnifolium small-flowered jewelweed Impatiens parviflora South American spongeplant Limnobium laevigatum sunflower broomrape Orobanche cumana Syrian bean-caper Zygophyllum fabago Texas blueweed Helianthus ciliaris thistle, Italian Carduus pycnocephalus thistle, marsh Cirsium palustre thistle, milk Silybum marianum thistle, slenderflower Carduus tenuiflorus thistle, Turkish Carduus cinereus variable-leaf milfoil and hybrids Myriophyllum heterophyllum Myriophyllum heterophyllum x Myriophyllum hippuroides waterhemp Amaranthus tuberculatus wild four o'clock Mirabilis nyctaginea