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

Hairy Willowherb

Hairy Willowherb

Present in Franklin County

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Hanging Sedge

Hairy Willowherb

Hairy Willowherb

Class B Designate

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Hawkweed oxtongue

Hawkweed Oxtongue

Hawkweeds: all non-natives of meadow subgenus

Hawkweed Oxtongue

Class B Designate

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Orange hawkweed

Hawkweed, orange

Hawkweeds: all non-natives of meadow subgenus

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: non-natives of wall subgenus

Hawkweeds: all non-natives of wall subgenus

Hawkweeds: all non-natives of wall subgenus

Hawkweeds: all non-natives of wall subgenus

Class B Designate

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Herb-Robert

Herb-Robert

Hawkweeds: all non-natives of wall subgenus

Hawkweeds: all non-natives of wall subgenus

Class B Designate

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Himalayan knotweed

Himalayan Knotweed

Hawkweeds: all non-natives of wall subgenus

Himalayan Knotweed

Class B Designate

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Hoary alyssum

Hoary Alyssum

Hoary Alyssum

Hoary Alyssum

Class B Designate

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Houndstongue

Houndstongue

Hoary Alyssum

Hoary Alyssum

Class B Designate

Present in Franklin County

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Indigobush

Indigobush

Hoary Alyssum

Indigobush

Present in Franklin County

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Japanese knotweed

Japanese Knotweed

Japanese Knotweed

Japanese Knotweed

Class B Designate

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Kochia

Kochia

Japanese Knotweed

Japanese Knotweed


Present in Franklin County

Weed in Transition

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Less Celendine

Lesser Celendine

Japanese Knotweed

Lesser Celendine

Class B Designate

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Malta starthistle

Malta Starthistle

Malta Starthistle

Malta Starthistle

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Meadow knapweed

Meadow Knapweed

Malta Starthistle

Malta Starthistle

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Musk thistle

Musk Thistle

Malta Starthistle

Musk Thistle

Class B Designate

Present in Franklin County

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Parrotfeather

Parrotfeather

Perennial Pepperweed

Perennial Pepperweed

Class B Designate

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Perennial pepperweed

Perennial Pepperweed

Perennial Pepperweed

Perennial Pepperweed

Present in Franklin County

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Plumeless thistle

Plumeless Thistle

Perennial Pepperweed

Plumeless Thistle

Class B Designate

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Poison hemlock

Poison Hemlock

Policeman's Helmet

Policeman's Helmet

Present in Franklin County

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Policeman's helmet

Policeman's Helmet

Policeman's Helmet

Policeman's Helmet

Class B Designate

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Puncturevine

Puncturevine

Policeman's Helmet

Puncturevine

Present in Franklin County

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Purple loosestrife

Purple Loosestrife

Purple Loosestrife

Purple Loosestrife

Present in Franklin County

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Ravenna grass

Ravenna Grass

Purple Loosestrife

Purple Loosestrife

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

Russian Knapweed

Russian Knapweed

Russian Knapweed

Present in Franklin County

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Saltcedar

Saltcedar

Russian Knapweed

Russian Knapweed

 Class B Designate

Present in Franklin County

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Scotch broom

Scotch Broom

Russian Knapweed

Scotch Broom

Class B Designate

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Scotch Thistle

Spotted Knapweed

Scotch Thistle

Present in Franklin County

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Shiny geranium

Shiny Geranium

Spotted Knapweed

Scotch Thistle

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

Spurge Flax

Spurge Laurel

Spurge Laurel

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, leafy

Class B Designate

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More Class B Weeds

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