Links are to the Washington State Noxious Weed Control Board website Class B weed pages or to the Franklin County Noxious Weed Control Board's printable information packet for that weed.

Class b weeds

Class B weeds are non-native species presently limited to portions of the state or county.  Class B species are designated for control in regions where they are not yet widespread.  Preventing infestations in these areas is a high priority.  In regions where a Class B species is already abundant, control is decided at the local level, with containment as the primary goal.
Common Name
Scientific Name
Class B Weeds
blueweed
Echium vulgare
Brazilian elodea
Egeria densa
bugloss, annual
Anchusa arvensis
bugloss, common
Anchusa officinalis
butterfly bush
Buddleja davidii
camelthorn
Alhagi maurorum
common fennel, (except bulbing fennel)
Foeniculum vulgare (except F. vulgare var. azoricum)
common reed (nonnative genotypes only)
Phragmites australis
Dalmatian toadflax
Linaria dalmatica ssp. dalmatica
Eurasian watermilfoil
Myriophyllum spicatum
fanwort
Cabomba caroliniana
gorse
Ulex europaeus
grass-leaved arrowhead 
Sagittaria graminea
hairy willowherb
Epilobium hirsutum
hawkweed oxtongue
Picris hieracioides
hawkweed, orange
Hieracium aurantiacum
hawkweeds: All nonnative species and hybrids of the meadow subgenus
Hieracium, subgenus Pilosella
hawkweeds: All nonnative species and hybrids of the wall subgenus
Hieracium, subgenus Hieracium
herb-Robert
Geranium  robertianum
hoary alyssum
Berteroa incana
houndstongue
Cynoglossum officinale
indigobush
Amorpha fruticosa
knapweed, black
Centaurea nigra
knapweed, brown
Centaurea jacea
knapweed, diffuse
Centaurea diffusa
knapweed, meadow
Centaurea x moncktonii
knapweed, Russian
Acroptilon repens
knapweed, spotted
Centaurea stoebe
knotweed, Bohemian
Polygonum x bohemicum
knotweed, giant
Polygonum sachalinense
knotweed, Himalayan
Polygonum polystachyum
knotweed, Japanese
Polygonum cuspidatum
kochia
Kochia scoparia
lesser celandine
Ficaria verna
loosestrife, garden
Lysimachia vulgaris
loosestrife, purple
Lythrum salicaria
loosestrife, wand
Lythrum virgatum
parrotfeather
Myriophyllum aquaticum
perennial pepperweed
Lepidium latifolium
poison hemlock
Conium  maculatum
policeman's helmet
Impatiens glandulifera
puncturevine
Tribulus terrestris
Ravenna grass
Saccharum ravennae
rush skeletonweed
Chondrilla juncea
saltcedar
Tamarix ramosissima
Scotch broom
Cytisus scoparius
spurge laurel
Daphne laureola
leafy spurge
Euphorbia esula
spurge, myrtle
Euphorbia myrsinites
sulfur cinquefoil
Potentilla recta
tansy ragwort
Senecio jacobaea
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 floatingheart
Nymphoides peltata
yellow nutsedge
Cyperus esculentus
yellow starthistle
Centaurea solstitialis

Bold indicates "present in Franklin County".

White Bryony
FCWB Logo
paste and get counter working
Free Counter