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

(148 weeds)

A
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1. alligatorweed
2. American basswood
3. American beech
4. American pokeweed
5. American speedwell
6. annual sowthistle
7. arrowleaf sida
8. Asiatic dayflower
9. Australian water-clover
10. 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 lettuce
4. Canada thistle
5. Canada toadflax
6. Carolina elephantsfoot
7. chamber bitter
8. Chinese privet
9. Chinese yam
10. clammy groundcherry
11. common burdock
12. common cinquefoil
13. common cocklebur
14. common evening primrose
15. common mouse-ear chickweed
16. common mullein
17. common plantain
18. common ragweed
19. common speedwell
20. common St. Johnswort
21. common vetch
22. coralberry
23. corn speedwell
24. cow pea
25. creeping primrose
26. crownvetch
27. 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
G
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1. garden lettuce
2. garden yellowrocket
3. germander speedwell
4. giant goldenrod
5. green field speedwell
H
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1. hardy orange
2. hemp dogbane
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
M
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1. mayapple
2. mayweed chamomile
3. meadow hawkweed
4. Mexican tea
5. Morrow's honeysuckle
6. mouseear cress
7. multiflora rose
8. musk thistle
N
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1. northern catalpa
2. northern dewberry
3. Norwegian cinquefoil
O
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1. Oriental bittersweet
2. osage orange
P
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1. Palmer amaranth
2. panicledleaf ticktrefoil
3. paper mulberry
4. pawpaw
5. perennial sowthistle
6. perplexed ticktrefoil
7. Persian speedwell
8. plantain-leaved pussytoes
9. Powell's amaranth
10. prairie fleabane
11. prickly sida
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. sensitive partridge pea
3. sericea lespedeza
4. showy rattlebox
5. sicklepod
6. slender amaranth
7. small hopclover
8. smallflower morningglory
9. smooth sumac
10. Spanish needles
11. spiny amaranth
12. spiny sowthistle
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
5. toothed spurge
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. wild blue phlox
7. wild parsnip
8. wild sarsaparilla
9. winged sumac
10. wingstem
11. woodland bittercress
12. woolly burdock