Weed Plant ID Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q
A

Bracken Fern

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2
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Field Horsetail

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3
Q
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Corn Spurry

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4
Q
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Mouse-eared Chickweed

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5
Q
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Common Chickweed

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6
Q
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Redroot Pigweed

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7
Q
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Giant Hogweed

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8
Q
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Hardhack

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9
Q
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Lamb’s Quarters

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10
Q
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Lamb’s Quarters

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11
Q
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Yellow Toadflax

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12
Q
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Common Mullein

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13
Q
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Purple Loosestrife

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14
Q
A

Hedge Bindweed

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15
Q
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Stork’s Bill

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16
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17
Q
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Yellow Flag Iris

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18
Q
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Hedge Mustard

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19
Q
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Stinkweed

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20
Q
A

Wild Radish

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21
Q
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Hoary Alyssum

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22
Q
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Creeping Yellow Cress

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23
Q
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Shepherd’s Purse

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24
Q
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Little Bittercress? Or Creeping Yellow Cress

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25
Q
A

Broadleaf Dock

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26
Q
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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
A

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
Q
A

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
Q
A

St. John’s Wort

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33
Q
A

St, John’s Wort

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34
Q
A

Foxtail Barley

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35
Q
A

Petty Spurge

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36
Q
A

Petty Spurge

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37
Q
A

Stinging Nettle

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38
Q
A

Stinging Nettle

39
Q
A

Common Mallow

40
Q
A

Common Mallow

41
Q
A

Fireweed

42
Q
A

Fireweed

43
Q
A

Purslane

44
Q
A

Green Foxtail

45
Q
A

Green Foxtail

46
Q
A

Barnyard Grass

47
Q
A

Barnyard Grass

48
Q
A

Annual Bluegrass

49
Q
A

Reed Canary Grass

50
Q
A

Quackgrass

51
Q
A

Large Crabgrass

52
Q
A

Smooth Crabgrass

53
Q
A

Witchgrass

54
Q
A

Downy Brome

55
Q
A

Perennial sow-thistle

56
Q
A

Perennial Sow-Thistle

57
Q
A

Spiny Annual Sow-Thistle

58
Q
A

Spiny Annual Sow-Thistle

59
Q
A

Spotted Cat’s Ear

60
Q
A

Tansy

61
Q
A

Tansy

62
Q
A

Creeping Buttercup

63
Q
A

Narrow-leaved Plantain

64
Q
A

Broad-leaved Plantain

65
Q
A

Red Clover

66
Q
A

Scotch Broom

67
Q
A

Dandelion

68
Q
A

Canada Goldenrod

69
Q
A

Canada Goldenrod

70
Q
A

Common Burdock

71
Q
A

Common Burdock

72
Q
A

Bull Thistle

73
Q
A

Bull Thistle

74
Q
A

Yarrow

75
Q
A

Yarrow

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
A

Kudzu

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
A

Henbit

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