Weed Identification

Reset Selections Below

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

(146 weeds)

A
Back to letters
1. absinthe
2. American bur-reed
3. American burnweed
4. American pokeweed
5. American speedwell
6. annual sowthistle
7. arrowleaf sida
B
Back to letters
1. beefsteakplant
2. big chickweed
3. bladder campion
4. brown mustard
5. brownray knapweed
6. bulbous woodrush
7. bull thistle
C
Back to letters
1. camphor pluchea
2. Canada goldenrod
3. Canada lettuce
4. Canada thistle
5. Carolina elephantsfoot
6. catnip
7. chamber bitter
8. chicory
9. clammy groundcherry
10. common burdock
11. common cocklebur
12. common evening primrose
13. common groundsel
14. common mallow
15. common milkweed
16. common mouse-ear chickweed
17. common mullein
18. common speedwell
19. common threeseed mercury
20. common vetch
21. common viper's bugloss
22. corn gromwell
23. corn speedwell
24. creeping primrose
25. cursed buttercup
26. cutleaf geranium
D
Back to letters
1. Deptford pink
2. devil's beggartick
E
Back to letters
1. early yellowrocket
2. eastern black nightshade
3. eastern daisy fleabane
F
Back to letters
1. false daisy
2. fiddle dock
3. field horsetail
4. field madder
5. field mustard
6. field pansy
7. field pennycress
8. field pepperweed
9. Florida beggarweed
10. Fuller's teasel
G
Back to letters
1. garden cornflower
2. garden lettuce
3. garden yellowrocket
4. germander speedwell
5. giant goldenrod
6. giant ironweed
7. great ragweed
8. green carpetweed
H
Back to letters
1. hairy fleabane
2. hemp dogbane
3. henbit deadnettle
4. hophornbeam copperleaf
5. horseweed
6. hyssopleaf thoroughwort
I
Back to letters
1. ivyleaf speedwell
J
Back to letters
1. jagged chickweed
2. Jerusalem artichoke
3. jewelweed
4. jimsonweed
K
Back to letters
1. kochia
L
Back to letters
1. lambsquarters
2. lanceleaf ragweed
3. lateflowering thoroughwort
4. lawndaisy
5. lemon beebalm
6. longleaf groundcherry
M
Back to letters
1. manyflower marshpennywort
2. mayweed chamomile
3. Mexican tea
4. mouseear cress
5. mugwort
6. musk thistle
N
Back to letters
1. narrowleaf hawksbeard
O
Back to letters
1. orange hawkweed
2. oxeye daisy
P
Back to letters
1. Palmer amaranth
2. perennial pea
3. perennial sowthistle
4. Persian speedwell
5. Philadelphia fleabane
6. plantain-leaved pussytoes
7. poorjoe
8. prairie fleabane
9. prickly lettuce
10. prickly Russian thistle
11. prickly sida
12. purple ammannia
13. purple deadnettle
14. purslane speedwell
R
Back to letters
1. rape
2. redroot amaranth
3. roadside pennycress
4. roughfruit amaranth
S
Back to letters
1. shepherd's purse
2. showy rattlebox
3. sleepydick
4. slender amaranth
5. smallflower buttercup
6. smallflower morningglory
7. smooth bedstraw
8. smooth hawksbeard
9. sneezeweed
10. Spanish needles
11. spiny amaranth
12. spiny plumeless thistle
13. spiny sowthistle
14. spoonleaf purple everlasting
15. spotted knapweed
16. spotted St. Johnswort
17. spring draba
18. spurred anoda
19. St. Anthony's turnip
20. stickweed
21. stinging nettle
22. swamp verbena
23. sweet fennel
24. sweetscented bedstraw
T
Back to letters
1. tall globethistle
2. threadstalk speedwell
3. thymeleaf speedwell
4. toothed spurge
V
Back to letters
1. velvetleaf
2. vente conmigo
3. Virginia threeseed mercury
W
Back to letters
1. western salsify
2. white heath aster
3. white snakeroot
4. white vervain
5. wingstem
6. woolly burdock
Y
Back to letters
1. yellow spring bedstraw