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

(132 weeds)

A
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1. absinthe
2. American burnweed
3. American pokeweed
4. American speedwell
5. annual sowthistle
B
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1. bearded beggarticks
2. beefsteakplant
3. big chickweed
4. bigpod sesbania
5. bird's-foot trefoil
6. bladder campion
7. browneyed Susan
8. bulbous woodrush
9. butterweed
C
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1. Caley pea
2. Canada goldenrod
3. Canada lettuce
4. Canada thistle
5. Canada toadflax
6. Carolina elephantsfoot
7. Carolina geranium
8. catnip
9. chamber bitter
10. common cocklebur
11. common groundsel
12. common mallow
13. common milkweed
14. common mouse-ear chickweed
15. common ragweed
16. common speedwell
17. common vetch
18. common viper's bugloss
19. common yellow oxalis
20. corn chamomile
21. corn gromwell
22. corn speedwell
23. corn spurry
24. creeping lespedeza
25. cursed buttercup
26. cutleaf geranium
D
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1. disc mayweed
2. dogfennel
E
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1. early yellowrocket
2. eastern black nightshade
3. eastern daisy fleabane
F
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1. false daisy
2. fiddle dock
3. field madder
4. field pansy
5. field pennycress
6. field pepperweed
7. Florida beggarweed
8. Fuller's teasel
G
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1. garden lettuce
2. garden yellowrocket
3. giant goldenrod
4. giant ironweed
5. great ragweed
6. green carpetweed
H
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1. hairy bittercress
2. hairy fleabane
3. hemp dogbane
4. henbit deadnettle
5. hophornbeam copperleaf
6. horseweed
7. hyssopleaf thoroughwort
I
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1. ivyleaf speedwell
J
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1. jagged chickweed
K
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1. kochia
L
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1. lambsquarters
2. lanceleaf ragweed
3. lawndaisy
M
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1. manyflower marshpennywort
2. mouseear cress
3. mugwort
N
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1. narrowleaf hawksbeard
2. Norwegian cinquefoil
O
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1. orange hawkweed
P
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1. Palmer amaranth
2. panicledleaf ticktrefoil
3. partridge pea
4. perplexed ticktrefoil
5. Persian speedwell
6. Philadelphia fleabane
7. piedmont bedstraw
8. plantain-leaved pussytoes
9. poison hemlock
10. poorjoe
11. Powell's amaranth
12. prairie fleabane
13. prickly lettuce
14. prickly Russian thistle
15. prickly sida
16. purple ammannia
17. purple deadnettle
18. purslane speedwell
Q
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1. Queen Anne's lace
R
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1. redroot amaranth
2. roadside pennycress
3. roughfruit amaranth
S
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1. shepherd's purse
2. showy rattlebox
3. sicklepod
4. slender parsley piert
5. small hopclover
6. smallflower buttercup
7. smallflower morningglory
8. smooth bedstraw
9. smooth hawksbeard
10. sneezeweed
11. Spanish needles
12. spiny amaranth
13. spotted knapweed
14. spotted St. Johnswort
15. spring avens
16. spring draba
17. spurred anoda
18. sweet clover
19. sweet fennel
20. sweet sagewort
21. sweetscented bedstraw
T
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1. threadstalk speedwell
2. thymeleaf speedwell
V
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1. vente conmigo
2. Virginia strawberry
W
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1. white heath aster
2. white snakeroot
3. white vervain
4. wild parsnip
5. wild sarsaparilla
6. wingstem
Y
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1. yellow spring bedstraw