Weed identification

Grass weeds:

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

Broadleaf weeds:

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

Perennial weeds:

• 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.