Serving Montana Agriculture and growing prosperity under the Big Sky

Weed ID

Weed ID

blueweed pink and white flowers

Blueweed

search pesticide licensing applicators tile - sprayer truck

Canadian Thistle

Common buckthorn brown stem green leaves purple berries

Common Buckthorn

common bugloss green stems with purple flowers

Common Bugloss


pesticide training tile - round bales in field

Common Reed

Curly-leaf Pondweed leaf long thin with wavy edges

Curly-leaf Pondweed

dalmation toadflax - long green stems with yellow flowers

Dalmatian Toadflax

diffuse knapweed white spiky flower

Diffuse Knapweed


hawkweed

Dyers Woad

watermilfoil long brown stems with small green stems or leaves

Eurasian Watermilfoil

Field Bindweed pink and white flowers

Field Bindweed

flowering rush pink flower top

Flowering Rush


hawkweeds - orange flowers

Hawkweed

Hoary-Alyssum

Hoary Alyssum

Houndstoung -  green stem red drooping flower

Houndstounge

knotweed long stems large green leaves bunches of small white flowers

Knotweed Complex


Leafy Spurge - green flower with yellow center

Leafy Spurge

Medusahead brown grass spiky head

Medusahead

Oxeye Daisy - white petals with yellow center

Oxeye Daisy

Palmer Amaranth long green stems with light green small flowers

Palmer Amaranth


Perennial Pepperweed - clusters of small white flowers on green stems

Perennial Pepperweed

Purple Loosestrife long stem with bunches of small purple flowers

Purple Loosestrife

Rush Skeletonweed yellow flower

Rush Skeletonweed

russian knapweed long green stems with spiky  light purple flowers

Russian Knapweed


Saltcedar branch with pink blossoms

Saltcedar

Spotted Knapweed -  purple spiky flowers with green stems

Spotted Knapweed

St John's-wort -  yellow flowers in a star pattern with a spiked center

St John's-wort

Sulfur Cinquefoil - yellow petal flowers on green stems

Sulfur Cinquefoil


Tansy Ragwort bunches of green stems and yellow petals

Tansy Ragwort

Tall Buttercup - yellow flower petals

Tall Buttercup

ventenata long green grass

Ventenata

whaterhemp - flowers

Waterhemp


Whitetop- small white flowers on thin branched green tems

Whitetop

Yellow Flag Iris -  yellow long petals

Yellow Flag Iris

Yellow Starthistle - spiky yellow flower

Yellow Starthistle

Yellow Toadflax bunched Yellow flowers on green stems

Yellow Toadflax

Contact

Megan Hoyer
Invasive Species Education Coordinator
Phone: (406) 594-9171
E-mail: Megan.Hoyer@mt.gov

agrweeds@mt.gov

 


medusahead grass tops tan