Weed identification | UMN Extension

University of Minnesota Extension
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Buffalobur seed capsules

Jerusalem artichoke next to a ruler

Yellow foxtail inflorescence

Find photos and identifying characteristics that’ll help you identify common Minnesota weeds.

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Annual grass weeds

Guide to grass weeds in Minnesota: Characteristics and photos of barnyardgrass, crabgrass, foxtail, oat, wild panicum and wild proso millet.
Seedling identification key
Weed image search tool: From the Strand Memorial Herbarium.

Annual broadleaf weeds

Guide to annual broadleaf weeds in Minnesota: Characteristics and photos of ragweeds, pigweeds, waterhemp, buffalobur, buckwheat, kochia and more.
Seedling identification key
Weed image search tool: From the Strand Memorial Herbarium.

Perennial weeds

Guide to perennial weeds in Minnesota: Characteristics and photos of artichoke, bindweed, nutsedge, quackgrass, sowthistle and thistle.
Seedling identification key
Weed image search tool: From the Strand Memorial Herbarium.

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