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Extension > Agriculture > Crops > Weed management > Weed identification > Annual broadleaf weed seedling identification

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Annual broadleaf weed seedling identification

Gerald R. Miller, former Extension Agronomist
Oliver E. Strand, former Extension Agronomist
Reviewed 2014

Descriptions of annual broadleaf weed seedlings

Click on photo for larger image. Photos are from the Strand Memorial Herbarium, unless otherwise noted.

Wild buckwheat seedling

Wild buckwheat seedling

Buckwheat, wild

Cotyledons

Leaves

Plant characteristics

Buffalobur seedling

Buffalobur seedling

Buffalobur

Cotyledons

Leaves

Plant characteristics

Cocklebur seedling

Common cocklebur seedling

Cocklebur, common

Cotyledons

Leaves

Plant characteristics

Kochia seedling

Source: Phil Westra, Colorado State University, Bugwood.org

Kochia seedling

Kochia

Cotyledons

Leaves

Plant characteristics

Lambsquarters seedling

Common lambsquarters seedling

Lambsquarters, common

Cotyledons

Leaves

Plant characteristics

Marshelder seedling

Marshelder seedling

Marshelder

Cotyledons

Leaves

Plant characteristics

Wild mustard seedling

Wild mustard seedling

Mustard, wild

Cotyledons

Leaves

Plant characteristics

Black nightshade seedling

Black nightshade seedling

Nightshade, black

Cotyledons

Leaves

Plant characteristics

Redroot pigweed seedling

Source: Phil Westra, Colorado State University, Bugwood.org

Redroot pigweed seedling

Pigweed, redroot

Cotyledons

Leaves

Plant characteristics

Common ragweed seedling

Common ragweed seedling

Ragweed, common

Cotyledons

Leaves

Plant characteristics

Giant ragweed seedling

Giant ragweed seedling

Ragweed, giant

Cotyledons

Leaves

Plant characteristics

Pennsylvania smartweed seedling

Pennsylvania smartweed seedling

Smartweed, Pennsylvania

Cotyledons

Leaves

Plant characteristics

Wild sunflower seedling

Wild sunflower seedling

Sunflower, wild

Cotyledons

Leaves

Plant characteristics

Russian thistle seedling

Russian thistle seedling

Thistle, Russian

Cotyledons

Leaves

Plant characteristics

Velvetleaf seedling

Velvetleaf seedling

Velvetleaf

Cotyledons

Leaves

Plant characteristics

Tall waterhemp seedling

Source: Bruce Ackley, The Ohio State University, Bugwood.org

Waterhemp seedling

Waterhemp, common and tall

Cotyledons

Leaves

Plant characteristics

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