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White Bryony
Links are to the Washington State Noxious Weed Control Board website Class C weed pages or to the Franklin County Noxious Weed Control Board's printable information packet for that weed.
Class C weeds are non-native weeds.  Many of these species are widespread.  Long-term programs of suppression and control are a local option, depending upon local threats and the feasibility of control in local areas.
Common Name

Scientific Name
Class C Weeds
babysbreath

Gypsophila paniculata
buffalobur

Solanum rostratum
cereal rye

Secale cereale
common St. Johnswort

Hypericum perforatum

field bindweed

Convolvulus arvensis
Eurasian watermilfoil hybrid

Myriophyllum spicatum x M. sibiricum
fragrant water lily

Nymphaea odorata
hairy whitetop

Lepidium appelianum
hoary cress

Lepidium draba
jointed goatgrass

Aegilops cylindrica
longspine sandbur

Cenchrus longispinus
medusahead

Taeniatherum caput-medusae
pampas grass

Cortaderia selloana
reed canarygrass

Phalaris arundinacea
spikeweed

Centromadia pungens
spotted jewelweed

Impatiens capensis
thistle, bull

Cirsium vulgare
thistle, Canada

Cirsium arvense
yellowflag iris

Iris pseudacorus

Bold indicates "present in Franklin County".


class c weeds

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