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

(135 weeds)

A
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1. absinthe
2. American burnweed
3. American pokeweed
4. apple of Peru
5. 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 thistle
4. Canada toadflax
5. Carolina elephantsfoot
6. Carolina geranium
7. chamber bitter
8. clammy groundcherry
9. common burdock
10. common cocklebur
11. common groundsel
12. common mallow
13. common mullein
14. common ragweed
15. common sheep sorrel
16. common threeseed mercury
17. common yellow oxalis
18. corn chamomile
19. corn gromwell
20. creeping lespedeza
21. cursed buttercup
22. 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. lambsquarters
2. lanceleaf ragweed
3. large hopclover
4. longleaf groundcherry
5. low hopclover
M
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1. manyflower marshpennywort
2. mayweed chamomile
3. Mexican tea
4. moth mullein
5. mouseear cress
6. mugwort
7. musk thistle
O
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1. oxeye daisy
P
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1. Palmer amaranth
2. panicledleaf ticktrefoil
3. partridge pea
4. Pennsylvania smartweed
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. slender parsley piert
8. small hopclover
9. smallflower buttercup
10. smallflower morningglory
11. smooth pigweed
12. sneezeweed
13. spiny amaranth
14. spiny plumeless thistle
15. spoonleaf purple everlasting
16. spotted knapweed
17. spotted ladysthumb
18. spotted water hemlock
19. spurred anoda
20. St. Anthony's turnip
21. swamp smartweed
22. sweet clover
23. sweet sagewort
T
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1. tall globethistle
2. threadstalk speedwell
V
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1. velvetleaf
2. Virginia strawberry
3. Virginia threeseed mercury
W
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1. western brackenfern
2. white heath aster
3. wild mustard
4. wild sarsaparilla
5. wingstem
6. woolly burdock