Franklin County Noxious Weed Control Board
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Franklin County Noxious Weed Control Board
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  • About Us
  • Noxious Weeds
  • Programs & Services
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  • Native Plants

Class B Noxious Weeds

 Non-native, high priority, of varying distribution. Classified by the state for control in regions where they are not widespread. Where already abundant, control is decided at the local level. 

Some species are Class B Designate weeds, which require stricter controls. 

Annual bugloss

Annual Bugloss

Annual Bugloss

Annual Bugloss

Class B Designate

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Black knapweed

Black Knapweed

Annual Bugloss

Annual Bugloss

Class B Designate

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Blueweed

Blueweed

Annual Bugloss

Blueweed

Class B Designate

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Bohemian knotweed

Bohemian Knotweed

Bohemian Knotweed

Bohemian Knotweed

Class B Designate

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Brazilian elodea

Brazilian Elodea

Bohemian Knotweed

Bohemian Knotweed

Class B Designate

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Brown knapweed

Brown Knapweed

Bohemian Knotweed

Brown Knapweed

Class B Designate

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Butterfly bush

Butterfly Bush

Butterfly Bush

Butterfly Bush

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Camelthorn

Camelthorn

Butterfly Bush

Butterfly Bush

Class B Designate

Present in Franklin County

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Common bugloss

Common Bugloss

Butterfly Bush

Common Bugloss

Class B Designate

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Common fennel

Common Fennel

Dalmatian Toadflax

Common Fennel

Class B Designate

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Common reed

Common Reed

Dalmatian Toadflax

Common Fennel

Class B Designate

Present in Franklin County

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Dalmatian Toadflax

Dalmatian Toadflax

Dalmatian Toadflax

Class B Designate

Present in Franklin County

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Diffuse knapweed

Diffuse Knapweed

Eurasian Watermilfoil

Eurasian Watermilfoil

Present in Franklin County

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Eurasian watermilfoil

Eurasian Watermilfoil

Eurasian Watermilfoil

Eurasian Watermilfoil

Present in Franklin County

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European coltsfoot

European Coltsfoot

Eurasian Watermilfoil

European Coltsfoot

Class B Designate

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Fanwort

Garden loosestrife

European Coltsfoot

Class B Designate


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Garden loosestrife

Garden loosestrife

Garden loosestrife

Class B Designate

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Giant Knotweed

Garden loosestrife

Garden loosestrife

Class B Designate

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Gorse

Gorse

Grass-leaved Arrowhead

Grass-leaved Arrowhead

Class B Designate

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Grass-leaved arrowhead

Grass-leaved Arrowhead

Grass-leaved Arrowhead

Grass-leaved Arrowhead

Class B Designate

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Hairy willow-herb

Hairy Willowherb

Grass-leaved Arrowhead

Hairy Willowherb

Present in Franklin County

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Hanging Sedge

Hawkweed, Oxtongue

Hairy Willowherb

Class B Designate

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Hawkweed, Oxtongue

Hawkweed, Oxtongue

Hawkweed, Oxtongue

Class B Designate

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Hawkweed, Orange

Hawkweed, Oxtongue

Hawkweed, Oxtongue

Class B Designate

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Hawkweeds: non-natives of meadow subgenus

Hawkweeds: all non-natives of meadow subgenus

Hawkweeds: all non-natives of meadow subgenus

Hawkweeds: all non-natives of meadow subgenus

Class B Designate

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Hawkweeds: all non-natives of wall subgenus

Hawkweeds: all non-natives of meadow subgenus

Hawkweeds: all non-natives of meadow subgenus

Class B Designate

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Herb, Robert

Hawkweeds: all non-natives of meadow subgenus

Herb, Robert

Class B Designate

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Himalayan knotweed

Himalayan Knotweed

Himalayan Knotweed

Himalayan Knotweed

Class B Designate

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Hoary Alyssum

Himalayan Knotweed

Himalayan Knotweed

Class B Designate

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Houndstongue

Himalayan Knotweed

Houndstongue

Class B Designate

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Indigobush

Indigobush

Japanese Knotweed

Japanese Knotweed

Present in Franklin County

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Japanese Knotweed

Japanese Knotweed

Japanese Knotweed

Class B Designate

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Kochia

Japanese Knotweed

Kochia

Present in Franklin County

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Less Celendine

Lesser Celendine

Malta Starthistle

Malta Starthistle

Class B Designate

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Malta Starthistle

Malta Starthistle

Malta Starthistle

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Meadow Knapweed

Malta Starthistle

Meadow Knapweed

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Musk thistle

Musk Thistle

Perennial Pepperweed

Parrotfeather

Class B Designate

Present in Franklin County

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Parrotfeather

Perennial Pepperweed

Parrotfeather

Class B Designate


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Perennial Pepperweed

Perennial Pepperweed

Perennial Pepperweed


Present in Franklin County

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Plumeless thistle

Plumeless Thistle

Policeman's Helmet

Plumeless Thistle

Class B Designate

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Poison Hemlock

Policeman's Helmet

Plumeless Thistle

Present in Franklin County

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Policeman's Helmet

Policeman's Helmet

Policeman's Helmet

Class B Designate

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Puncturevine

Puncturevine

Purple Loosestrife

Purple Loosestrife

Present in Franklin County

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Purple Loosestrife

Purple Loosestrife

Purple Loosestrife

Present in Franklin County

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Ravenna Grass

Purple Loosestrife

Ravenna Grass

Class B Designate                                   Present in Franklin County

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Rough Chervil

Rush Skeletonweed

Rush Skeletonweed

Class B Designate

Present in Franklin County

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Rush skeletonweed

Rush Skeletonweed

Rush Skeletonweed

Rush Skeletonweed

Present in Franklin County

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Russian Knapweed

Rush Skeletonweed

Russian Knapweed

Present in Franklin County

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Saltcedar

Saltcedar

Scotch Thistle

Scotch Broom

 Class B Designate

Present in Franklin County

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Scotch broom

Scotch Broom

Scotch Thistle

Scotch Broom

Class B Designate

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Scotch Thistle

Scotch Thistle

Scotch Thistle

Present in Franklin County

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Shiny geranium

Shiny Geranium

Spotted Knapweed

Spotted Knapweed

Class B Designate

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Spotted knapweed

Spotted Knapweed

Spotted Knapweed

Spotted Knapweed

Class B Designate

Present in Franklin County

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Spurge Flax

Spotted Knapweed

Spurge Flax

Class B Designate


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Spurge laurel

Spurge Laurel

Spurge Laurel

Spurge Laurel

Class B Designate

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Leafy spurge

Spurge, leafy

Spurge Laurel

Spurge Laurel

Class B Designate

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More Class B Weeds

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