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Invasive.org - Center for Invasive Species and Ecosystem Health

Washington Noxious Weeds

Washington Administrative Code. 2005. State noxious weed list and schedule of monetary penalties, Chapter 16-750. State of Washington.

http://apps.leg.wa.gov/WAC/default.aspx?cite=16-750


150 Records


Subject Name Scientific Name Family Order
kudzu Pueraria montana var. lobata (Willd.) Maesen & S. Almeida Fabaceae (Leguminosae) Fabales
Canada thistle Cirsium arvense (L.) Scop. Asteraceae Asterales
garlic mustard Alliaria petiolata (Bieb.) Cavara & Grande Brassicaceae Capparales
musk thistle Carduus nutans L. Asteraceae Asterales
spotted knapweed Centaurea stoebe ssp. micranthos (Gugler) Hayek Asteraceae Asterales
yellow nutsedge Cyperus esculentus L. Cyperaceae Cyperales
Brazilian waterweed Egeria densa Planch. Hydrocharitaceae Hydrocharitales
English ivy Hedera helix L. Araliaceae Apiales
hydrilla Hydrilla verticillata (L. f.) Royle Hydrocharitaceae Hydrocharitales
purple loosestrife Lythrum salicaria L. Lythraceae Myrtales
marsh dayflower Murdannia keisak (Hassk.) Hand.-Maz. Commelinaceae Commelinales
parrotfeather Myriophyllum aquaticum (Vell.) Verdc. Haloragaceae Haloragales
Eurasian water-milfoil Myriophyllum spicatum L. Haloragaceae Haloragales
brittleleaf naiad Najas minor All. Najadaceae Najadales
common reed Phragmites australis (Cavanilles) Trinius ex Steudel Poaceae Cyperales
johnsongrass Sorghum halepense (L.) Pers. Poaceae Cyperales
bull thistle Cirsium vulgare (Savi) Ten. Asteraceae Asterales
spiny plumeless thistle Carduus acanthoides L. Asteraceae Asterales
leafy spurge Euphorbia esula L. Euphorbiaceae Euphorbiales
Japanese knotweed Fallopia japonica (Houttuyn) Ronse-Decraene Polygonaceae Polygonales
European water chestnut Trapa natans L. Trapaceae Myrtales
yellow toadflax Linaria vulgaris P. Mill. Scrophulariaceae Scrophulariales
puncturevine Tribulus terrestris L. Zygophyllaceae Sapindales
silverleaf nightshade Solanum elaeagnifolium Cavanaugh Solanaceae Solanales
field bindweed Convolvulus arvensis L. Convolvulaceae Solanales
gorse Ulex europaeus L. Fabaceae (Leguminosae) Fabales
Mediterranean sage Salvia aethiopis L. Lamiaceae Lamiales
poison-hemlock Conium maculatum L. Apiaceae Apiales
Russian knapweed Rhaponticum repens (L.) Hidalgo Asteraceae Asterales
yellow starthistle Centaurea solstitialis L. Asteraceae Asterales
rush skeletonweed Chondrilla juncea L. Asteraceae Asterales
Scotch broom Cytisus scoparius (L.) Link Fabaceae (Leguminosae) Fabales
common St. Johnswort Hypericum perforatum L. Clusiaceae Theales
common crupina Crupina vulgaris Cass. Asteraceae Asterales
tansy ragwort Senecio jacobaea L. Asteraceae Asterales
slenderflower thistle Carduus tenuiflorus W. Curtis Asteraceae Asterales
mouseear hawkweed Hieracium pilosella L. Asteraceae Asterales
orange hawkweed Hieracium aurantiacum L. Asteraceae Asterales
meadow hawkweed Hieracium caespitosum Dumort. Asteraceae Asterales
sulfur cinquefoil Potentilla recta L. Rosaceae Rosales
Scotch thistle Onopordum acanthium L. Asteraceae Asterales
dalmatian toadflax Linaria dalmatica ssp. dalmatica (L.) P. Mill. Scrophulariaceae Scrophulariales
Italian plumeless thistle Carduus pycnocephalus L. Asteraceae Asterales
blessed milkthistle Silybum marianum (L.) Gaertn. Asteraceae Asterales
diffuse knapweed Centaurea diffusa Lam. Asteraceae Asterales
goatsrue Galega officinalis L. Fabaceae (Leguminosae) Fabales
giant hogweed Heracleum mantegazzianum Sommier & Levier Apiaceae Apiales
Dyer's woad Isatis tinctoria L. Brassicaceae Capparales
oxygen weed Lagarosiphon major (Ridley) Moss Hydrocharitaceae Hydrocharitales
velvetleaf Abutilon theophrasti Medik Malvaceae Malvales
jointed goatgrass Aegilops cylindrica Host Poaceae Cyperales
camelthorn Alhagi maurorum Medik Fabaceae (Leguminosae) Fabales
slender meadow foxtail Alopecurus myosuroides Huds. Poaceae Cyperales
indigobush Amorpha fruticosa L. Fabaceae (Leguminosae) Fabales
small bugloss Anchusa arvensis (L.) Bieb Boraginaceae Lamiales
common bugloss Anchusa officinalis L. Boraginaceae Lamiales
wild chervil Anthriscus sylvestris (L.) Hoffmann Apiaceae Apiales
absinth wormwood Artemisia absinthium L. Asteraceae Asterales
hoary alyssum Berteroa incana (L.) DC Brassicaceae Capparales
white bryony Bryonia alba L. Cucurbitaceae Violales
flowering-rush Butomus umbellatus L. Butomaceae Alismatales
Carolina fanwort Cabomba caroliniana A. Gray Cabombaceae Nymphaeales
hoary cress Lepidium draba (L.) Desv Brassicaceae Capparales
hairy whitetop Cardaria pubescens (C.A. Mey.) Brassicaceae Capparales
purple starthistle Centaurea calcitrapa L. Asteraceae Asterales
brown knapweed Centaurea jacea L. Asteraceae Asterales
longspine sandbur Cenchrus longispinus (Hack.) Fern Poaceae Cyperales
bighead knapweed Centaurea macrocephala Puschk. ex Willd. Asteraceae Asterales
black knapweed Centaurea nigra L. Asteraceae Asterales
alpine knapweed Centaurea nigrescens Willd Asteraceae Asterales
dwarf snapdragon Chaenorhinum minus (L.) Lange Scrophulariaceae Scrophulariales
swamp stonecrop Crassula helmsii A. Berger Crassulaceae Rosales
smallseed alfalfa dodder Cuscuta approximata Bab. Cuscutaceae Solanales
houndstongue Cynoglossum officinale L. Boraginaceae Lamiales
purple nutsedge Cyperus rotundus L. Cyperaceae Cyperales
Queen Anne's lace, wild carrot Daucus carota L. Apiaceae Apiales
spurgelaurel Daphne laureola L. Thymelaeaceae Myrtales
common viper's bugloss Echium vulgare L. Boraginaceae Lamiales
hairy willowherb Epilobium hirsutum L. Onagraceae Myrtales
myrtle spurge Euphorbia myrsinites L Euphorbiaceae Euphorbiales
eggleaf spurge Euphorbia oblongata Griseb Euphorbiaceae Euphorbiales
fennel Foeniculum vulgare P. Mill. Apiaceae Apiales
babysbreath Gypsophila paniculata L Caryophyllaceae Caryophyllales
Texas blueweed Helianthus ciliaris DC. Asteraceae Asterales
common tarweed Centromadia pungens ssp. pungens (Hook. & Arn.) Greene Asteraceae Asterales
Venice mallow Hibiscus trionum L. Malvaceae Malvales
black henbane Hyoscyamus niger L. Solanaceae Solanales
hairy cat's ear Hypochaeris radicata L. Asteraceae Asterales
yellow iris Iris pseudacorus L. Iridaceae Liliales
Mexican fireweed Kochia scoparia (L.) A.J. Scott Chenopodiaceae Caryophyllales
lepyrodiclis Lepyrodiclis holosteoides (C.A. Mey.) Fenzl ex Fisch. & C.A. Mey. Caryophyllaceae Caryophyllales
perennial pepperweed Lepidium latifolium L. Brassicaceae Capparales
oxeye daisy Leucanthemum vulgare Lam. Asteraceae Asterales
creeping waterprimrose Ludwigia peploides (Kunth) Raven Onagraceae Myrtales
European wand loosestrife Lythrum virgatum L. Lythraceae Myrtales
garden loosestrife Lysimachia vulgaris L. Primulaceae Primulales
wild four-o'clock Mirabilis nyctaginea (Michx.) MacM. Nyctaginaceae Caryophyllales
reed canarygrass Phalaris arundinacea L. Poaceae Cyperales
hawkweed oxtongue Picris hieracioides L. Asteraceae Asterales
curly-leaved pondweed Potamogeton crispus L. Potamogetonaceae Najadales
cultivated knotweed Persicaria wallichii Greuter & Burdet Polygonaceae Polygonales
giant knotweed Fallopia sachalinensis (F. Schmidt) Ronse-Decraene Polygonaceae Polygonales
devil's-claw Proboscidea louisianica (P. Mill.) Thellung Pedaliaceae Scrophulariales
Austrian fieldcress Rorippa austriaca (Crantz) Bess. Brassicaceae Capparales
Himalaya blackberry Rubus armeniacus Focke Rosaceae Rosales
cutleaf blackberry Rubus laciniatus Willd. Rosaceae Rosales
grassy arrowhead Sagittaria graminea Michx. Alismataceae Alismatales
ricefield bulrush Schoenoplectus mucronatus (L.) Palla Cyperaceae Cyperales
common groundsel Senecio vulgaris L. Asteraceae Asterales
bladder campion Silene latifolia ssp. alba (Mill.) Greuter & Burdet Caryophyllaceae Caryophyllales
field sowthistle Sonchus arvensis ssp. arvensis L. Asteraceae Asterales
buffalobur Solanum rostratum Dunal Solanaceae Solanales
lawn burweed Soliva sessilis Ruiz & Pavón Asteraceae Asterales
smooth cordgrass Spartina alterniflora Loisel. Poaceae Cyperales
common cordgrass Spartina anglica C.E. Hubbard Poaceae Cyperales
denseflower cordgrass Spartina densiflora Brongn. Poaceae Cyperales
Spanish broom Spartium junceum L. Fabaceae (Leguminosae) Fabales
saltmeadow cordgrass Spartina patens (Ait.) Muhl. Poaceae Cyperales
swainsonpea Sphaerophysa salsula (Pallas) DC. Fabaceae (Leguminosae) Fabales
saltcedar Tamarix ramosissima Ledeb. Tamaricaceae Violales
common tansy Tanacetum vulgare L. Asteraceae Asterales
spreading hedgeparsley Torilis arvensis (Huds.) Link Apiaceae Apiales
false chamomile Tripleurospermum perforatum (Merat) M. Lainz Asteraceae Asterales
spiny cocklebur Xanthium spinosum L. Asteraceae Asterales
Syrian beancaper Zygophyllum fabago L. Zygophyllaceae Sapindales
butterflybush Buddleja davidii Franch. Buddlejaceae Scrophulariales
herb-robert Geranium robertianum L. Geraniaceae Geraniales
yellow devil hawkweed Hieracium x floribundum Wimmer & Grab. [caespitosum x lactucella] Asteraceae Asterales
meadow sage Salvia pratensis L. Lamiaceae Lamiales
Europe sage Salvia sclarea L. Lamiaceae Lamiales
spurge flax Thymelaea passerina (L.) Coss. & Germ. Thymelaeaceae Myrtales
fragrant waterlily Nymphaea odorata Ait. Nymphaeaceae Nymphaeales
European frog-bit Hydrocharis morsus-ranae L. Hydrocharitaceae Hydrocharitales
Himalayan balsam Impatiens glandulifera Royle Balsaminaceae Geraniales
twoleaf watermilfoil Myriophyllum heterophyllum Michx. Haloragaceae Haloragales
yellow floating heart Nymphoides peltata (S.G. Gmel.) Kuntze Menyanthaceae Solanales
perennial false-brome Brachypodium sylvaticum (Huds.) Beauv. Poaceae Cyperales
evergreen clematis Clematis vitalba L. Ranunculaceae Ranunculales
shining geranium Geranium lucidum L. Geraniaceae Geraniales
yellow archangel Lamium galeobdolon (L.) Crantz Lamiaceae Lamiales
mudmat Glossostigma diandrum (L.) Kuntze Scrophulariaceae Scrophulariales
Bohemian knotweed Fallopia x bohemica (Chrtek & Chrtková) J.P.Bailey Polygonaceae Polygonales
water primrose Ludwigia grandiflora ssp. hexapetala (Hook. & Arn.) Nesom & Kartesz Onagraceae Myrtales
queen-devil hawkweed Hieracium glomeratum Froel. Asteraceae Asterales
smooth hawkweed Hieracium laevigatum Asteraceae Asterales
floating bladderwort Utricularia inflata Walter Lentibulariaceae Scrophulariales
Atlantic Ivy Hedera hibernica (Kirchn.) Bean. Araliaceae Apiales
common hawkweed Hieracium lachenalii K.C. Gmel. Asteraceae Asterales
rough mannagrass Glyceria maxima (Hartman) Holmb. Poaceae Cyperales
polar hawkweed Hieracium atratum Fr. Asteraceae Asterales


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