Weed identification

Guide to grass weeds in Minnesota 

• Characteristics and photos of
  • Barnyardgrass 
  • Large crabgrass 
  • Green, giant and yellow foxtail 
  • Wild oat 
  • Fall panicum
  • Wild proso millet.

Guide to annual broadleaf weeds in Minnesota:

• Characteristics and photos of
  • Amaranth family: Waterhemp, Palmer amaranth and redroot pigweed.
  • Giant and common ragweed
  • Common cocklebur
  • Common lambsquarters
  • Velvetleaf and more.

Guide to perennial weeds in Minnesota:

• Characteristics and photos of
  • Jerusalem artichoke 
  • Field and hedge bindweeds 
  • Yellow nutsedge 
  • Quackgrass 
  • Canada thistle and perennial sowthistle.

Seedling identification key

• A step-by-step key to identify seedlings using plant characteristics.
• Includes both broadleaf and grass seedlings.

Weed image search tool: From the Strand Memorial Herbarium.

• Plants are searchable by common names, plant families or genera.