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

(142 weeds)

A
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1. absinthe
2. American basswood
3. American burnweed
4. arrowleaf sida
5. Asian ponysfoot
6. Asiatic dayflower
7. autumn olive
B
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1. big chickweed
2. black willow
3. bladder campion
4. brown mustard
5. bull thistle
6. burcucumber
7. butterfly weed
C
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1. Canada goldenrod
2. Canada thistle
3. Carolina elephantsfoot
4. catnip
5. Chinese privet
6. Chinese yam
7. clammy groundcherry
8. climbing dayflower
9. common burdock
10. common cocklebur
11. common evening primrose
12. common groundsel
13. common mallow
14. common mouse-ear chickweed
15. common mullein
16. common plantain
17. common speedwell
18. common sunflower
19. common threeseed mercury
20. common vetch
21. common viper's bugloss
22. common yarrow
23. coralberry
24. corn gromwell
25. corn speedwell
26. creeping primrose
27. crosswort
28. cursed buttercup
29. cutleaf evening primrose
30. cutleaf geranium
D
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1. Deptford pink
2. devil's beggartick
E
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1. eastern black nightshade
2. eastern daisy fleabane
3. eastern redbud
4. English ivy
5. European field pansy
F
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1. false daisy
2. field madder
3. field mustard
4. field pepperweed
5. Florida beggarweed
G
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1. garden cornflower
2. germander speedwell
3. giant goldenrod
4. giant ironweed
5. great ragweed
6. green field speedwell
7. ground ivy
H
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1. hairy fleabane
2. henbit deadnettle
3. hophornbeam copperleaf
4. horsenettle
5. horseweed
6. hyssopleaf thoroughwort
I
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1. ivyleaf morningglory
2. ivyleaf speedwell
J
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1. jagged chickweed
2. Japanese honeysuckle
3. Jerusalem artichoke
K
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1. knawel
2. kochia
L
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1. lanceleaf ragweed
2. largebracted plantain
3. lateflowering thoroughwort
4. lawndaisy
5. live oak
M
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1. mayweed chamomile
2. Morrow's honeysuckle
3. mouseear cress
4. mugwort
5. musk thistle
N
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1. narrowleaf hawksbeard
2. narrowleaf plantain
3. northern catalpa
O
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1. Oriental lady's thumb
P
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1. paper mulberry
2. Pennsylvania smartweed
3. Persian speedwell
4. Philadelphia fleabane
5. plantain-leaved pussytoes
6. prairie fleabane
7. prickly Russian thistle
8. prickly sida
9. purple deadnettle
10. purple loosestrife
11. purslane speedwell
R
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1. red maple
2. red mulberry
3. redroot amaranth
S
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1. scarlet pimpernel
2. shepherd's purse
3. showy rattlebox
4. smallflower buttercup
5. smallflower morningglory
6. smooth hawksbeard
7. smooth pigweed
8. sourwood
9. Spanish needles
10. spiny plumeless thistle
11. spoonleaf purple everlasting
12. spotted knapweed
13. spotted ladysthumb
14. spring draba
15. spurred anoda
16. St. Anthony's turnip
17. sticky chickweed
18. sticky ragwort
19. stickywilly
20. stinging nettle
21. sugar maple
22. swamp smartweed
23. swamp verbena
24. sweetgum
T
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1. tall globethistle
2. tall morningglory
3. threadstalk speedwell
4. thymeleaf speedwell
V
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1. velvetleaf
2. Virginia threeseed mercury
W
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1. white snakeroot
2. white vervain
3. wild basil
4. wild buckwheat
5. wild mustard
6. wingstem
7. woolly burdock
Y
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1. yellow spring bedstraw