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Noxious Weed List

2014 KLICKITAT COUNTY

NOXIOUS WEED LIST

Links in the tables below are to the

Washington State Noxious Weed Control Board web site.

Class A Weeds

CLICK ABOVE LINK FOR PICTURES OF CLASS A WEEDS.

The State of Washington through RCW 17.10 has listed the following Class A weeds for eradication statewide. Class A consists of those noxious weeds not native to state that are of limited distribution or are unrecorded in the state and that pose a serious threat to the state. (RCW 17.10.010.2.(a))

Common Name:

Scientific Name

broom, French

Genista monspessulana

broom, Spanish

Spartium junceum

common crupina

Crupina vulgaris

cordgrass, common

Spartina anglica

cordgrass, dense flower

Spartina densiflora

cordgrass, salt meadow

Spartina patens

cordgrass, smooth

Spartina alterniflora

dyers 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

purple starthistle

Centaurea calcitrapa

reed sweetgrass

Glyceria maxima

ricefield bulrush

Schoenoplectus mucronatus

sage, clary

Salvia sclarea

sage, Mediterranean *

Salvia aethiopis

shiny geranium

Geranium lucidum

silverleaf nightshade

Solanum elaeagnifolium

spurge flax

Thymelaea passerina

Syrian bean-caper

Zygophyllum fabago

Texas blueweed

Helianthus ciliaris

thistle, Italian

Carduus pycnocephalus

thistle, milk

Silybum marianum

thistle, slenderflower

Carduus tenuiflorus

variable-leaf milfoil

Myriophyllum heterophyllum

wild four o'clock

Mirabilis nyctaginea

Class B-Designate Weeds

CLICK ABOVE LINK FOR PICTURES OF CLASS B WEEDS.

The State of Washington through RCW 17.10 has listed the following Class B weeds as designated for control in Klickitat County. Class B consists of those noxious weeds not native to the state that are of limited distribution or are unrecorded in a region of the state and that pose a serious threat to that region. (RCW 17.10.010.2(b))

Common Name

Scientific Name

blueweed

Echium vulgare

Brazilian elodea

Egeria densa

bugloss, annual

Anchusa arvensis

bugloss, common

Anchusa officinalis

camelthorn

Alhagi maurorum

common fennel

Foeniculum vulgare

common reed, nonnative

Phragmites australis

fanwort

Cabomba caroliniana

gorse

Ulex europaeus

grass-leaved arrowhead

Sagittaria graminea

hawkweed oxtongue

Picris hieracioides

hawkweed, orange

Hieracium aurantiacum

herb-Robert *

Geranium robertianum

knapweed, black

Centaurea nigra

knapweed, brown

Centaurea jacea

knotweed, Bohemian *

Polygonuym x bohemicum

knotweed, giant *

Polygonum sachalinense

knotweed, Himalayan

Polygonum polystachyum

knotweed, Japanese *

Polygonum cuspidatum

loosestrife, garden

Lysimachia vulgaris

loosestrife, purple *

Lythrum salicaria

loosestrife, wand

Lythrum virgatum

Nonnative hawkweed species and hybrids of WALL subgenus

Hieracium subgenus, Hieracium

parrotfeather

Myriophyllum aquaticum

policemanís helmet

Impatiens glandulifera

saltcedar *

(unless intentionally planted prior to 2004)

Tamarix ramosissima

spurge laurel

Daphne laureola

spurge, leafy *

Euphorbia esula

spurge, myrtle *

Euphorbia myrsinites L

thistle, musk

Carduus nutans

thistle, plumeless

Carduus acanthoides

thistle, Scotch *

Onopordum acanthium

velvetleaf

Abutilon theophrasti

water primrose

Ludwigia hexapetala

white bryony

Bryonia alba

wild chervil

Anthriscus sylvestris

yellow archangel *

Lamiastrum galeobdolon

yellow floating heart

Nymphoides peltata

Class B Weeds

CLICK ABOVE LINK FOR PICTURES OF CLASS B WEEDS.

The Klickitat County Noxious Weed Control Board through RCW 17.10 has listed the following Class B weeds, not designated by the State, to be on the county noxious weed list. Class B consists of those noxious weeds not native to the state that are of limited distribution or are unrecorded in a region of the state and that pose a serious threat to that region. (RCW 17.10.010.2(b))

Common Name

Scientific Name

butterfly bush *

Buddleia davidii

Dalmatian toadflax *

Linaria dalmatica ssp. dalmatica

Eurasian watermilfoil *

Myriophyllum spicatum

hairy willow-herb *

Epilobium hirsutum

hoary alyssum *

Berteroa incana

houndstongue *

Cynoglossum officinale

indigobush *

Amorpha fruticosa

knapweed, diffuse *

Centaurea diffusa

knapweed, meadow *

Centaurea jacea x nigra

knapweed, Russian *

Acroptilon repens

knapweed, spotted *

Centaurea stoebe

kochia *

Kochia scoparia

Nonnative hawkweed species and hybrids of MEADOW subgenus

Hieracium subgenus, Pilosella

perennial pepperweed *

Lepidium latifolium

poison hemlock *

Conium maculatum

puncturevine *

Tribulus terrestris

rush skeletonweed *

Chondrilla juncea

Scotch broom *

Cytisus scoparius

sulfur cinquefoil *

Potentilla recta

tansy ragwort *

Senecio jacobaea

yellow nutsedge*

Cyperus esculentus

yellow starthistle *

Centaurea solstitialis

Class C Weeds

CLICK ABOVE LINK FOR PICTURES OF CLASS C WEEDS.

The Klickitat County Noxious Weed Control Board through RCW 17.10 has listed the following Class C weeds to be designated for control on the county noxious weed list. Class C consists of any other noxious weeds. (RCW 17.10.010.2(c))

Common Name

Scientific Name

Austrian fieldcress *

Rorippa austriaca

black henbane

Hyoscyamus niger

buffalobur *

Solanum rostratum

hairy whitetop *

Cardaria pubescens

hoary cress *

Cardaria draba

longspine sandbur *

Cenchrus longispinus

Nonnative cattails

Typha species

spikeweed *

Hemizonia pungens

spiny cocklebur *

Xanthium spinosum

Swainsonpea *

Sphaerophysa salsula

thistle, Canada *

Cirsium arvense

yellow flag iris *

Iris pseudacorus

Weeds of Local Concern

These are additional non-native, invasive plant species that are of concern in Klickitat County. The Board encourages and recommends control and containment of existing populations, but control is not required.

common St. Johnswort *

Hypericum perforatum

jointed goatgrass *

Aegilops cylindrica

wild carrot *

Daucus carota

*indicates known population in Klickitat County



Date of Source Material: 2/19/2014
Source: Klickitat County Weed Control

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Contact:
Marty Hudson: Coordinator
Tracey Benson: Office Manager
Annex I
228 W Main St
MS-CH-23
Goldendale, WA 98620

Fax: 509 773-2477
Phone: 509 773-5810
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