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

(147 weeds)

A
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1. alligatorweed
2. American basswood
3. American beech
4. American pokeweed
5. American speedwell
6. arrowleaf sida
7. Asiatic dayflower
8. Australian water-clover
9. autumn olive
B
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1. big chickweed
2. bird's-foot trefoil
3. bittersweet nightshade
4. black medic
5. black nightshade
6. blackeyed Susan
7. blackgum
8. boxelder
9. brown mustard
10. browneyed Susan
11. buffalobur
12. bull thistle
C
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1. Caley pea
2. camphor pluchea
3. Canada thistle
4. Canada toadflax
5. Carolina elephantsfoot
6. chamber bitter
7. Chinese privet
8. Chinese yam
9. clammy groundcherry
10. common burdock
11. common cinquefoil
12. common cocklebur
13. common evening primrose
14. common mouse-ear chickweed
15. common mullein
16. common plantain
17. common ragweed
18. common speedwell
19. common St. Johnswort
20. common vetch
21. coralberry
22. corn speedwell
23. cow pea
24. creeping primrose
25. crownvetch
26. cursed buttercup
D
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1. devil's walkingstick
E
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1. early yellowrocket
2. eastern black nightshade
3. eastern daisy fleabane
4. eastern poison ivy
5. English ivy
F
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1. field pansy
2. field pennycress
3. fragrant sumac
4. Fuller's teasel
G
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1. garden yellowrocket
2. germander speedwell
3. giant goldenrod
4. green field speedwell
H
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1. hardy orange
2. henbit deadnettle
3. hog peanut
4. honeylocust
5. hophornbeam copperleaf
I
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1. Indian strawberry
2. ivyleaf speedwell
J
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1. jagged chickweed
2. Japanese barberry
3. Japanese clover
4. jewelweed
5. jimsonweed
L
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1. large hopclover
2. lawndaisy
3. little hogweed
4. littleleaf buttercup
5. longleaf groundcherry
6. low hopclover
7. lyreleaf sage
M
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1. maidenstears
2. mayapple
3. mayweed chamomile
4. Mexican tea
5. Morrow's honeysuckle
6. mouseear cress
7. mugwort
8. multiflora rose
9. musk thistle
N
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1. northern catalpa
2. northern dewberry
3. Norwegian cinquefoil
O
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1. Oriental bittersweet
P
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1. Palmer amaranth
2. panicledleaf ticktrefoil
3. paper mulberry
4. pawpaw
5. perplexed ticktrefoil
6. Persian speedwell
7. plantain-leaved pussytoes
8. Powell's amaranth
9. prairie fleabane
10. prickly sida
11. purple deadnettle
12. purple passionflower
R
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1. rabbitfoot clover
2. red clover
3. roughfruit amaranth
S
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1. sassafras
2. scarlet pimpernel
3. sensitive partridge pea
4. sericea lespedeza
5. showy rattlebox
6. sicklepod
7. slender amaranth
8. small hopclover
9. smallflower morningglory
10. smooth sumac
11. Spanish needles
12. spiny amaranth
13. spotted knapweed
14. spotted St. Johnswort
15. spring draba
16. spurred anoda
17. St. Anthony's turnip
18. stickweed
19. sulphur cinquefoil
20. sweet clover
T
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1. tall globethistle
2. Tatarian honeysuckle
3. threadstalk speedwell
4. thymeleaf speedwell
V
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1. Virginia creeper
2. Virginia strawberry
W
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1. western brackenfern
2. white ash
3. white clover
4. white heath aster
5. white snakeroot
6. white vervain
7. wild blue phlox
8. wild parsnip
9. wild sarsaparilla
10. winged sumac
11. wingstem
12. woodland bittercress
13. woolly burdock