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

(193 weeds)

A
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1. absinthe
2. air yam
3. American basswood
4. American beech
5. American burnweed
6. American pokeweed
7. American sycamore
8. apple of Peru
9. arrowleaf sida
10. Asian ponysfoot
11. Asiatic dayflower
12. autumn olive
B
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1. bearded beggarticks
2. bigpod sesbania
3. bird's-foot trefoil
4. black medic
5. black willow
6. blackeyed Susan
7. brown mustard
8. browneyed Susan
9. brownray knapweed
10. buffalobur
11. bull thistle
12. burcucumber
13. butterfly weed
14. butterweed
C
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1. camphor pluchea
2. Canada goldenrod
3. Canada thistle
4. Canada toadflax
5. Carolina elephantsfoot
6. Carolina geranium
7. Carolina ponysfoot
8. chamber bitter
9. Chinese yam
10. clammy groundcherry
11. climbing dayflower
12. coltsfoot
13. common burdock
14. common cinquefoil
15. common cocklebur
16. common groundsel
17. common mallow
18. common mullein
19. common persimmon
20. common ragweed
21. common threeseed mercury
22. common yarrow
23. common yellow oxalis
24. corn chamomile
25. corn gromwell
26. cow pea
27. creeping lespedeza
28. creeping woodsorrel
29. crownvetch
30. cursed buttercup
31. cutleaf geranium
32. cypressvine
D
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1. devil's walkingstick
2. disc mayweed
3. dogfennel
E
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1. early yellowrocket
2. eastern black nightshade
3. eastern daisy fleabane
4. eastern poison ivy
5. eastern redbud
6. eastern redcedar
7. English ivy
8. European field pansy
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
8. fragrant sumac
G
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1. garden cornflower
2. garden yellowrocket
3. giant goldenrod
4. giant ironweed
5. green field speedwell
H
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1. hairy bittercress
2. hairy vetch
3. hardy orange
4. hedge bindweed
5. hog peanut
6. honeylocust
7. hophornbeam copperleaf
8. horseweed
I
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1. Indian strawberry
2. ivyleaf morningglory
3. ivyleaf speedwell
J
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1. Japanese barberry
2. Japanese clover
3. Jerusalem artichoke
4. jewelweed
5. jimsonweed
K
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1. kochia
2. kudzu
L
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1. lambsquarters
2. lanceleaf ragweed
3. large hopclover
4. little hogweed
5. littleleaf buttercup
6. live oak
7. longleaf groundcherry
8. low hopclover
M
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1. man of the earth
2. manyflower marshpennywort
3. mayweed chamomile
4. Mexican tea
5. mouseear cress
6. mugwort
7. multiflora rose
8. musk thistle
N
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1. northern dewberry
2. northern jointvetch
3. northern red oak
O
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1. Oriental bittersweet
2. oxeye daisy
P
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1. Palmer amaranth
2. palmleaf morningglory
3. panicledleaf ticktrefoil
4. paper mulberry
5. partridge pea
6. pawpaw
7. perplexed ticktrefoil
8. Persian speedwell
9. Philadelphia fleabane
10. plantain-leaved pussytoes
11. poison hemlock
12. Powell's amaranth
13. prairie fleabane
14. prickly Russian thistle
15. prickly sida
16. purple passionflower
17. purslane speedwell
Q
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1. Queen Anne's lace
R
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1. rabbitfoot clover
2. rape
3. red clover
4. red mulberry
5. redroot amaranth
6. redstar
7. roughfruit amaranth
8. roundleaf greenbriar
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. small hopclover
10. smallflower buttercup
11. smallflower morningglory
12. smooth sumac
13. sneezeweed
14. sourwood
15. spiny amaranth
16. spiny plumeless thistle
17. spoonleaf purple everlasting
18. spotted knapweed
19. spurred anoda
20. St. Anthony's turnip
21. sticky ragwort
22. sweet clover
23. sweet sagewort
24. sweetgum
T
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1. tall globethistle
2. tall morningglory
3. threadstalk speedwell
4. tree-of-heaven
V
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1. velvetleaf
2. Virginia creeper
3. Virginia strawberry
4. Virginia sweetspire
5. Virginia threeseed mercury
W
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1. western brackenfern
2. white clover
3. white heath aster
4. white mulberry
5. whitestar
6. wild grapes
7. wild radish
8. wild sarsaparilla
9. winged sumac
10. wingstem
11. woodland bittercress
12. woolly burdock
Y
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1. yellow passionflower