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

(220 weeds)

A
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1. absinthe
2. American bur-reed
3. American burnweed
4. American pokeweed
5. American speedwell
6. annual sowthistle
7. apple of Peru
8. arrowleaf sida
B
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1. bearded beggarticks
2. beefsteakplant
3. big chickweed
4. bigpod sesbania
5. bird's-foot trefoil
6. bitter dock
7. blackeyed Susan
8. bladder campion
9. blindeyes
10. brown mustard
11. browneyed Susan
12. brownray knapweed
13. buffalobur
14. bulbous woodrush
15. bull thistle
16. butterweed
C
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1. Caley pea
2. camphor pluchea
3. Canada goldenrod
4. Canada lettuce
5. Canada thistle
6. Canada toadflax
7. Carolina elephantsfoot
8. Carolina geranium
9. catnip
10. chamber bitter
11. chicory
12. clammy groundcherry
13. common burdock
14. common cocklebur
15. common evening primrose
16. common groundsel
17. common mallow
18. common milkweed
19. common mouse-ear chickweed
20. common mullein
21. common ragweed
22. common selfheal
23. common sheep sorrel
24. common speedwell
25. common sunflower
26. common threeseed mercury
27. common vetch
28. common viper's bugloss
29. common yellow oxalis
30. corn chamomile
31. corn gromwell
32. corn speedwell
33. corn spurry
34. creeping lespedeza
35. creeping primrose
36. crosswort
37. curlytop knotweed
38. cursed buttercup
39. cutleaf geranium
D
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1. Deptford pink
2. devil's beggartick
3. disc mayweed
4. dogfennel
E
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1. early yellowrocket
2. eastern black nightshade
3. eastern daisy fleabane
F
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1. fall phlox
2. false daisy
3. fiddle dock
4. field horsetail
5. field madder
6. field mustard
7. field pansy
8. field pennycress
9. field pepperweed
10. Florida beggarweed
11. flower of an hour
12. 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 blue lobelia
8. great ragweed
9. green carpetweed
H
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1. hairy angelica
2. hairy bittercress
3. hairy fleabane
4. hedgehog woodrush
5. hedgemustard
6. hemp dogbane
7. henbit deadnettle
8. hophornbeam copperleaf
9. horsenettle
10. horseweed
11. hyssopleaf thoroughwort
I
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1. Indian strawberry
2. ivyleaf speedwell
J
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1. jagged chickweed
2. Japanese knotweed
3. Jerusalem artichoke
4. jewelweed
5. jimsonweed
K
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1. kiss me over the garden gate
2. kochia
L
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1. lambsquarters
2. lanceleaf ragweed
3. large hopclover
4. lateflowering thoroughwort
5. lawndaisy
6. lemon beebalm
7. longleaf groundcherry
8. low hopclover
9. lyreleaf sage
M
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1. manyflower marshpennywort
2. mayapple
3. mayweed chamomile
4. Mexican tea
5. moth mullein
6. mouseear cress
7. mugwort
8. musk thistle
N
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1. narrowleaf hawksbeard
2. Norwegian cinquefoil
O
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1. orange hawkweed
2. oxeye daisy
P
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1. Palmer amaranth
2. panicledleaf ticktrefoil
3. partridge pea
4. Pennsylvania smartweed
5. perennial pea
6. perennial sowthistle
7. perplexed ticktrefoil
8. Persian speedwell
9. Philadelphia fleabane
10. piedmont bedstraw
11. plantain-leaved pussytoes
12. poison hemlock
13. poorjoe
14. Powell's amaranth
15. prairie fleabane
16. prickly lettuce
17. prickly Russian thistle
18. prickly sida
19. purple ammannia
20. purple deadnettle
21. purple loosestrife
22. purple passionflower
23. purslane speedwell
Q
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1. Queen Anne's lace
R
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1. rabbitfoot clover
2. rape
3. red clover
4. redroot amaranth
5. roadside pennycress
6. roughfruit amaranth
S
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1. sensitive partridge pea
2. shepherd's purse
3. showy rattlebox
4. sicklepod
5. silverleaf nightshade
6. sleepydick
7. slender amaranth
8. slender parsley piert
9. small hopclover
10. smallflower buttercup
11. smallflower morningglory
12. smooth bedstraw
13. smooth hawksbeard
14. smooth pigweed
15. sneezeweed
16. Spanish needles
17. spiny amaranth
18. spiny plumeless thistle
19. spiny sowthistle
20. spoonleaf purple everlasting
21. spotted knapweed
22. spotted ladysthumb
23. spotted St. Johnswort
24. spotted water hemlock
25. spring avens
26. spring draba
27. spurred anoda
28. St. Anthony's turnip
29. stickweed
30. stinging nettle
31. swamp smartweed
32. swamp verbena
33. sweet clover
34. sweet fennel
35. sweet sagewort
36. sweetscented bedstraw
T
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1. tall globethistle
2. threadstalk speedwell
3. thymeleaf speedwell
4. toothed spurge
V
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1. velvetleaf
2. vente conmigo
3. Virginia pepperweed
4. Virginia strawberry
5. Virginia threeseed mercury
W
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1. western brackenfern
2. western salsify
3. white heath aster
4. white snakeroot
5. white vervain
6. wild basil
7. wild blue phlox
8. wild mustard
9. wild parsnip
10. wild sarsaparilla
11. wingstem
12. woolly burdock
Y
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1. yellow spring bedstraw