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Plant Science > Weed Plant ID > Flashcards

Weed Plant ID Flashcards

1
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Bracken Fern

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2
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Field Horsetail

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3
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Corn Spurry

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4
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Mouse-eared Chickweed

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5
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Common Chickweed

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6
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Redroot Pigweed

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7
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Giant Hogweed

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8
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Hardhack

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9
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Lamb’s Quarters

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10
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Lamb’s Quarters

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11
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Yellow Toadflax

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12
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Common Mullein

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13
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Purple Loosestrife

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14
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Hedge Bindweed

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15
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Stork’s Bill

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16
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17
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Yellow Flag Iris

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18
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Hedge Mustard

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19
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Stinkweed

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20
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Wild Radish

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21
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Hoary Alyssum

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22
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Creeping Yellow Cress

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23
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Shepherd’s Purse

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24
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Little Bittercress? Or Creeping Yellow Cress

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25
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Broadleaf Dock

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26
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Prostrate Knotweed

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27
Q
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Wild Buckwheat

Note resemblance to Hedge Bindweed, but with an inflorescence and “sandpaper” texture to leaves

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28
Q
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Sheep Sorrel

Note ‘hilt’ on leaves

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29
Q
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Japanese Knotweed

Like it could be anything else

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30
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Green Smartweed

Very similar to Lady’s Thumb. Look for the lack of hair on the ligule, because the white flowers and lack of “thumbprints” are really just traps.

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31
Q
A

Lady’s Thumb

Look for hair on the ligules

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32
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St. John’s Wort

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33
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St, John’s Wort

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34
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Foxtail Barley

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35
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Petty Spurge

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36
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Petty Spurge

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37
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Stinging Nettle

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38
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A

Stinging Nettle

39
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A

Common Mallow

40
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A

Common Mallow

41
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42
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43
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44
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Green Foxtail

45
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Green Foxtail

46
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A

Barnyard Grass

47
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Barnyard Grass

48
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A

Annual Bluegrass

49
Q
A

Reed Canary Grass

50
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Quackgrass

51
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Large Crabgrass

52
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Smooth Crabgrass

53
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Witchgrass

54
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A

Downy Brome

55
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A

Perennial sow-thistle

56
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Perennial Sow-Thistle

57
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Spiny Annual Sow-Thistle

58
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A

Spiny Annual Sow-Thistle

59
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A

Spotted Cat’s Ear

60
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61
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62
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A

Creeping Buttercup

63
Q
A

Narrow-leaved Plantain

64
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A

Broad-leaved Plantain

65
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A

Red Clover

66
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A

Scotch Broom

67
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68
Q
A

Canada Goldenrod

69
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A

Canada Goldenrod

70
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A

Common Burdock

71
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A

Common Burdock

72
Q
A

Bull Thistle

73
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A

Bull Thistle

74
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75
Q
76
Q
A

Diffuse Knapweed

77
Q
A

Diffuse Knapweed

78
Q
A

Canada Fleabane

79
Q
A

Canada Thistle

80
Q
A

Canada Thistle

81
Q
82
Q
A

Flowering Rush

83
Q
A

Yellow Starthistle

84
Q
A

Hound’s Tongue

85
Q
A

Hound’s Tongue

86
Q
A

English Ivy

87
Q
A

English Holly

88
Q
A

Tansy Ragwort

89
Q
90
Q
A

Daphne Laurel

91
Q
A

White Clover

92
Q
A

Black Medick

93
Q
A

Black medick

94
Q
A

Tufted Vetch

Plant Science (5 decks)

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