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

(139 weeds)

A
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1. absinthe
2. American burnweed
3. American pokeweed
4. annual sowthistle
5. apple of Peru
6. arrowleaf sida
B
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1. bearded beggarticks
2. bigpod sesbania
3. bird's-foot trefoil
4. bitter dock
5. blackeyed Susan
6. brown mustard
7. browneyed Susan
8. brownray knapweed
9. buffalobur
10. bull thistle
11. butterweed
C
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1. camphor pluchea
2. Canada goldenrod
3. Canada lettuce
4. Canada thistle
5. Canada toadflax
6. Carolina elephantsfoot
7. Carolina geranium
8. chamber bitter
9. chicory
10. clammy groundcherry
11. common burdock
12. common cocklebur
13. common groundsel
14. common mallow
15. common mullein
16. common ragweed
17. common sheep sorrel
18. common threeseed mercury
19. common yellow oxalis
20. corn chamomile
21. corn gromwell
22. creeping lespedeza
23. curlytop knotweed
24. cursed buttercup
25. 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 mustard
4. field pansy
5. field pepperweed
6. Florida beggarweed
7. flower of an hour
G
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1. garden cornflower
2. garden yellowrocket
3. giant goldenrod
4. giant ironweed
H
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1. hairy bittercress
2. hedgemustard
3. hophornbeam copperleaf
4. horsenettle
5. horseweed
I
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1. Indian strawberry
2. ivyleaf speedwell
J
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1. Japanese knotweed
2. Jerusalem artichoke
3. jewelweed
4. jimsonweed
K
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1. kochia
L
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1. lanceleaf ragweed
2. large hopclover
3. longleaf groundcherry
4. low hopclover
M
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1. manyflower marshpennywort
2. mayweed chamomile
3. Mexican tea
4. moth mullein
5. mouseear cress
6. musk thistle
O
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1. oxeye daisy
P
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1. Palmer amaranth
2. panicledleaf ticktrefoil
3. Pennsylvania smartweed
4. perennial sowthistle
5. perplexed ticktrefoil
6. Persian speedwell
7. Philadelphia fleabane
8. plantain-leaved pussytoes
9. poison hemlock
10. Powell's amaranth
11. prairie fleabane
12. prickly Russian thistle
13. prickly sida
14. purple loosestrife
15. purple passionflower
16. 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. roughfruit amaranth
S
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1. sensitive partridge pea
2. shepherd's purse
3. showy rattlebox
4. sicklepod
5. silverleaf nightshade
6. slender amaranth
7. small hopclover
8. smallflower buttercup
9. smallflower morningglory
10. smooth pigweed
11. spiny amaranth
12. spiny plumeless thistle
13. spiny sowthistle
14. spoonleaf purple everlasting
15. spotted knapweed
16. spotted ladysthumb
17. spotted water hemlock
18. spurred anoda
19. St. Anthony's turnip
20. swamp smartweed
21. sweet clover
22. sweet sagewort
T
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1. tall globethistle
2. threadstalk speedwell
3. toothed spurge
V
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1. velvetleaf
2. vente conmigo
3. Virginia strawberry
4. Virginia threeseed mercury
W
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1. western brackenfern
2. western salsify
3. white heath aster
4. wild mustard
5. wild sarsaparilla
6. wingstem
7. woolly burdock