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

(228 weeds)

A
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1. absinthe
2. air yam
3. alligatorweed
4. American barberry
5. American basswood
6. American beech
7. American bur-reed
8. American burnweed
9. American pokeweed
10. American speedwell
11. arrowleaf sida
12. Asian ponysfoot
13. Asiatic dayflower
14. Asiatic tearthumb
15. autumn olive
B
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1. beefsteakplant
2. big chickweed
3. bitter dock
4. bittersweet nightshade
5. black willow
6. blackgum
7. bladder campion
8. brown mustard
9. brownray knapweed
10. bulbous woodrush
11. bull thistle
12. burcucumber
13. burningbush
14. butterfly weed
C
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1. camphor pluchea
2. Canada goldenrod
3. Canada thistle
4. Carolina elephantsfoot
5. Carolina ponysfoot
6. catnip
7. chamber bitter
8. Chinese privet
9. Chinese yam
10. clammy groundcherry
11. climbing dayflower
12. coltsfoot
13. common blue violet
14. common burdock
15. common cocklebur
16. common evening primrose
17. common groundsel
18. common mallow
19. common mouse-ear chickweed
20. common mullein
21. common periwinkle
22. common persimmon
23. common plantain
24. common selfheal
25. common sheep sorrel
26. common speedwell
27. common St. Johnswort
28. common sunflower
29. common threeseed mercury
30. common vetch
31. common viper's bugloss
32. common yarrow
33. coralberry
34. corn gromwell
35. corn speedwell
36. creeping primrose
37. crosswort
38. curly dock
39. cursed buttercup
40. cutleaf evening primrose
41. cutleaf geranium
D
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1. Deptford pink
2. devil's beggartick
E
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1. early yellowrocket
2. eastern black nightshade
3. eastern cottonwood
4. eastern daisy fleabane
5. eastern redbud
6. English ivy
7. European field pansy
F
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1. false daisy
2. fiddle dock
3. field horsetail
4. field madder
5. field mustard
6. field pansy
7. field pennycress
8. field pepperweed
9. Florida beggarweed
10. Fuller's teasel
G
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1. garden cornflower
2. garden yellowrocket
3. germander speedwell
4. giant goldenrod
5. giant ironweed
6. great ragweed
7. green ash
8. green carpetweed
9. green field speedwell
10. ground ivy
H
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1. hairy fleabane
2. hedge bindweed
3. henbit deadnettle
4. honeyvine milkweed
5. hophornbeam copperleaf
6. horsenettle
7. horseweed
8. hyssopleaf thoroughwort
I
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1. ivyleaf morningglory
2. ivyleaf speedwell
J
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1. jagged chickweed
2. Japanese barberry
3. Japanese honeysuckle
4. Japanese knotweed
5. Jerusalem artichoke
6. jewelweed
7. jimsonweed
K
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1. knawel
2. kochia
L
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1. lambsquarters
2. lanceleaf ragweed
3. largebracted plantain
4. lateflowering thoroughwort
5. lawndaisy
6. lemon beebalm
7. little hogweed
8. littleleaf buttercup
9. live oak
10. longleaf groundcherry
M
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1. maidenstears
2. man of the earth
3. manyflower marshpennywort
4. mayweed chamomile
5. Mexican tea
6. Morrow's honeysuckle
7. moth mullein
8. mouseear cress
9. mugwort
10. musk thistle
N
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1. narrowleaf hawksbeard
2. narrowleaf plantain
3. northern catalpa
4. northern red oak
O
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1. Oriental bittersweet
2. Oriental lady's thumb
3. oxeye daisy
P
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1. Palmer amaranth
2. paper mulberry
3. pawpaw
4. Pennsylvania smartweed
5. perennial pea
6. Persian speedwell
7. Philadelphia fleabane
8. plantain-leaved pussytoes
9. poorjoe
10. prairie fleabane
11. prickly Russian thistle
12. prickly sida
13. prostrate pigweed
14. purple ammannia
15. purple deadnettle
16. purple loosestrife
17. purslane speedwell
R
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1. rape
2. red maple
3. red mulberry
4. red sandspurry
5. redroot amaranth
6. redstar
7. roadside pennycress
8. roughfruit amaranth
9. roundleaf greenbriar
S
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1. scarlet pimpernel
2. shepherd's purse
3. showy rattlebox
4. sleepydick
5. slender amaranth
6. smallflower buttercup
7. smallflower morningglory
8. smooth bedstraw
9. smooth hawksbeard
10. smooth pigweed
11. sneezeweed
12. sourwood
13. Spanish needles
14. spiny amaranth
15. spiny plumeless thistle
16. spoonleaf purple everlasting
17. spotted knapweed
18. spotted ladysthumb
19. spotted St. Johnswort
20. spring draba
21. spurred anoda
22. St. Anthony's turnip
23. starch grape hyacinth
24. stickweed
25. sticky chickweed
26. sticky ragwort
27. stickywilly
28. stinging nettle
29. sugar maple
30. swamp smartweed
31. swamp tupelo
32. swamp verbena
33. sweet fennel
34. sweetgum
35. sweetscented bedstraw
T
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1. tall globethistle
2. tall morningglory
3. Tatarian honeysuckle
4. threadstalk speedwell
5. thymeleaf speedwell
V
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1. velvetleaf
2. Virginia buttonweed
3. Virginia sweetspire
4. Virginia threeseed mercury
W
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1. white heath aster
2. white mulberry
3. white snakeroot
4. white vervain
5. whitestar
6. wild basil
7. wild buckwheat
8. wild grapes
9. wild mustard
10. wild radish
11. wingstem
12. woolly burdock
Y
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1. yellow spring bedstraw