Weed Identification

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Growth Habit

Thorns or Spines

Approximate Flower Diameter

Dominant Flower Color

Flower Symmetry

Leaf Hairs

Leaf Shape

Leaf Arrangement

Leaf Margin

Leaf Structure

Leaf Stalk

Stem Hairs

Stem Cross Section

Milky Sap

Root Structure

Life Cycle

Ochrea

Common name

Scientific name

(146 weeds)

A
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1. absinthe
2. American burnweed
3. American pokeweed
4. annual sowthistle
5. apple of Peru
6. arrowleaf sida
7. autumn olive
B
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1. bearded beggarticks
2. bigpod sesbania
3. bird's-foot trefoil
4. bitter dock
5. black medic
6. blackeyed Susan
7. brown mustard
8. brownray knapweed
9. buffalobur
10. bull thistle
11. burcucumber
12. butterfly weed
13. butterweed
C
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1. Canada goldenrod
2. Canada lettuce
3. Canada thistle
4. Canada toadflax
5. Carolina geranium
6. Carolina ponysfoot
7. chicory
8. Chinese wisteria
9. clammy groundcherry
10. common burdock
11. common cocklebur
12. common groundsel
13. common mallow
14. common mullein
15. common ragweed
16. common threeseed mercury
17. common yellow oxalis
18. corn chamomile
19. corn gromwell
20. cow pea
21. creeping lespedeza
22. creeping woodsorrel
23. cutleaf geranium
D
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1. disc mayweed
2. dogfennel
E
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1. eastern black nightshade
2. eastern daisy fleabane
3. eastern poison ivy
F
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1. false daisy
2. fiddle dock
3. field mustard
4. field pansy
5. field pepperweed
6. Florida beggarweed
7. flower of an hour
G
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1. garden cornflower
2. garden yellowrocket
3. garlic mustard
4. giant goldenrod
5. giant ironweed
6. green field speedwell
H
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1. hairy bittercress
2. hairy vetch
3. hedgemustard
4. honeylocust
5. hophornbeam copperleaf
6. horsenettle
7. horseweed
I
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1. Indian strawberry
2. ivyleaf morningglory
J
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1. Japanese barberry
2. Japanese clover
3. Jerusalem artichoke
4. jimsonweed
K
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1. kochia
2. kudzu
L
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1. lambsquarters
2. lanceleaf ragweed
3. little hogweed
M
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1. man of the earth
2. mat amaranth
3. Mexican tea
4. moth mullein
5. mouseear cress
6. musk thistle
N
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1. northern dewberry
O
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1. Oriental bittersweet
2. Oriental lady's thumb
P
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1. Palmer amaranth
2. palmleaf morningglory
3. panicledleaf ticktrefoil
4. partridge pea
5. pawpaw
6. Pennsylvania smartweed
7. perennial sowthistle
8. perplexed ticktrefoil
9. poison hemlock
10. Powell's amaranth
11. prairie fleabane
12. prickly Russian thistle
13. prickly sida
14. prostrate knotweed
15. prostrate pigweed
16. purple loosestrife
17. purple passionflower
Q
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1. Queen Anne's lace
R
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1. rape
2. red clover
3. redroot amaranth
4. redstar
5. roughfruit amaranth
S
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1. sensitive partridge pea
2. sericea lespedeza
3. shepherd's purse
4. showy rattlebox
5. sicklepod
6. silverleaf nightshade
7. slender amaranth
8. slender parsley piert
9. smallflower morningglory
10. smooth pigweed
11. sneezeweed
12. spiny amaranth
13. spiny plumeless thistle
14. spiny sowthistle
15. spoonleaf purple everlasting
16. spotted knapweed
17. spotted ladysthumb
18. sticky ragwort
19. sweet clover
T
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1. tall globethistle
2. tall morningglory
3. toothed spurge
4. tree-of-heaven
V
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1. velvetleaf
2. vente conmigo
3. Virginia strawberry
4. Virginia threeseed mercury
W
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1. western salsify
2. white clover
3. whitestar
4. wild buckwheat
5. wild mustard
6. wild radish
7. woolly burdock
Y
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1. yellow passionflower