AGRON 330 Weed ID 4

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Last updated 6:10 PM on 10/7/26
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15 Terms

1
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Palmer Amaranth

Red stem

Long petioles

2
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Redroot pigweed

Red crown

Fuzzy stem

Leaves round and broad

3
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Waterhemp

Long linear leaves

Smooth

4
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Poison hemlock

Dark stem

Thick lacy leaves

5
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Wild carrot

Long stems

Lobed lacy leaves

Stems have white hairs

6
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Common ragweed

Deep lobed lacy leaves

Long seed head

Short white hair on leaves and stems

7
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Giant ragweed

3 leaf split

Stems are hairy

8
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Horseweed

Rosette

Lobed

Hairy

9
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Field pennycress

Rosette

Hairless

Little lobe/serrated

Clasping stem

10
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Common lambsquarters

Serrated

White frosting

Red nodes

11
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henbit

Lobed

Vining

Square stem

12
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Devil’s claw


Large leaves

Hairy

Thick stem

Flowers

13
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Wild buckwheat

Arrow leaf shape

Ocrea

14
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Curly dock

Long single leaves

Hairless

15
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Horsenettle

Dense

Purple crown

Stems and leaves have sharp prickles