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

(252 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. annual sowthistle
12. arrowleaf sida
13. Asian ponysfoot
14. Asiatic dayflower
15. Asiatic tearthumb
16. 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 lettuce
4. Canada thistle
5. Carolina elephantsfoot
6. Carolina ponysfoot
7. catnip
8. chamber bitter
9. chicory
10. Chinese privet
11. Chinese yam
12. clammy groundcherry
13. climbing dayflower
14. coltsfoot
15. common blue violet
16. common burdock
17. common cocklebur
18. common dandelion
19. common evening primrose
20. common groundsel
21. common mallow
22. common milkweed
23. common mouse-ear chickweed
24. common mullein
25. common periwinkle
26. common persimmon
27. common plantain
28. common selfheal
29. common sheep sorrel
30. common speedwell
31. common St. Johnswort
32. common sunflower
33. common threeseed mercury
34. common vetch
35. common viper's bugloss
36. common yarrow
37. coralberry
38. corn gromwell
39. corn speedwell
40. creeping primrose
41. crosswort
42. curly dock
43. curlytop knotweed
44. cursed buttercup
45. cutleaf evening primrose
46. 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 bindweed
4. field horsetail
5. field madder
6. field mustard
7. field pansy
8. field pennycress
9. field pepperweed
10. Florida beggarweed
11. Fuller's teasel
G
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1. garden cornflower
2. garden lettuce
3. garden yellowrocket
4. germander speedwell
5. giant goldenrod
6. giant ironweed
7. great ragweed
8. green ash
9. green carpetweed
10. green field speedwell
11. ground ivy
H
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1. hairy fleabane
2. hedge bindweed
3. hemp dogbane
4. henbit deadnettle
5. honeyvine milkweed
6. hophornbeam copperleaf
7. horsenettle
8. horseweed
9. 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. kiss me over the garden gate
2. knawel
3. 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. mat amaranth
5. mayweed chamomile
6. meadow hawkweed
7. Mexican tea
8. Morrow's honeysuckle
9. moth mullein
10. mouseear cress
11. mugwort
12. 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. orange hawkweed
2. Oriental bittersweet
3. Oriental lady's thumb
4. osage orange
5. oxeye daisy
P
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1. Palmer amaranth
2. paper mulberry
3. pawpaw
4. Pennsylvania smartweed
5. perennial pea
6. perennial sowthistle
7. Persian speedwell
8. Philadelphia fleabane
9. plantain-leaved pussytoes
10. poorjoe
11. prairie fleabane
12. prairie tea
13. prickly lettuce
14. prickly Russian thistle
15. prickly sida
16. prostrate pigweed
17. purple ammannia
18. purple deadnettle
19. purple loosestrife
20. 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. spiny sowthistle
17. spoonleaf purple everlasting
18. spotted knapweed
19. spotted ladysthumb
20. spotted sandmat
21. spotted St. Johnswort
22. spring draba
23. spurred anoda
24. St. Anthony's turnip
25. starch grape hyacinth
26. stickweed
27. sticky chickweed
28. sticky ragwort
29. stickywilly
30. stinging nettle
31. sugar maple
32. sun spurge
33. swamp smartweed
34. swamp tupelo
35. swamp verbena
36. sweet fennel
37. sweetgum
38. sweetscented bedstraw
T
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1. tall globethistle
2. tall morningglory
3. Tatarian honeysuckle
4. threadstalk speedwell
5. thymeleaf speedwell
6. toothed spurge
V
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1. velvetleaf
2. vente conmigo
3. Virginia buttonweed
4. Virginia pepperweed
5. Virginia sweetspire
6. Virginia threeseed mercury
W
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1. western salsify
2. white heath aster
3. white mulberry
4. white snakeroot
5. white vervain
6. whitestar
7. wild basil
8. wild buckwheat
9. wild grapes
10. wild mustard
11. wild radish
12. wingstem
13. woolly burdock
Y
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1. yellow spring bedstraw