University of Delaware - Common name Scien fic …...Common name Scien fic name Family Page # Wild...
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Common name ScienƟfic name Family Page # Wild garlic Allium vineale Liliaceae Lily Family 2 Star of bethlehem Ornithogalum umbellatum Liliaceae Lily Family 3 Bulbous oatgrass Arrhenatherum elaƟus Poaceae Grass Family 4 Downy brome Bromus tectorum Poaceae Grass Family 5 Annual ryegrass Lolium mulƟflorum Poaceae Grass Family 6 Annual bluegrass Poa annua Poaceae Grass Family 7 Roughstalk bluegrass Poa trivialis Poaceae Grass Family 8 Wild carrot Daucus carota Apiaceae Carrot Family 9 Mayweed chamomile Anthemis cotula Asteraceae Aster Family 10 Cornflower Centaurea cyanus Asteraceae Aster Family 11 Canada thistle Cirsium arvense Asteraceae Aster Family 12 Bull thistle Cirsium vulgare Asteraceae Aster Family 13 Horseweed Conyza canadensis Asteraceae Aster Family 14 Common catsear Hypochoeris radicata Asteraceae Aster Family 15 Prickly leƩuce Lactuca serriola Asteraceae Aster Family 16 Common groundsel Senecio vulgaris Asteraceae Aster Family 17 Dandelion Taraxacum officinale Asteraceae Aster Family 18 Mouseear cress Arabidopsis thaliana Brassicaceae Mustard Family 19 Yellow rocket Barbarea vulgaris Brassicaceae Mustard Family 20 Shepherd's purse Capsella bursa‐pastoris Brassicaceae Mustard Family 21 Hairy biƩercress Cardamine hirsuta Brassicaceae Mustard Family 22 Whitlowgrass Draba verna Brassicaceae Mustard Family 23 Virginia pepperweed Lepidium virginicum Brassicaceae Mustard Family 24 Pennycress Thlaspi arvense Brassicaceae Mustard Family 25 Venus looking‐glass Tridanis perfoliata Campanulaceae Bellflower Family 26 Mouseear chickweed CerasƟum vulgatum Caryophyllaceae Pink Family 27 Jagged chickweed Holosteum umbellatum Caryophyllaceae Pink Family 28 Common chickweed Stellaria media Caryophyllaceae Pink Family 29 Knawel Scleranthus annuus Caryophyllaceae Pink Family 30 Yellow flowered vetch Vicia grandiflora Fabaceae Pea Family 31 Common vetch Vicia saƟva Fabaceae Pea Family 32 Redstem filaree Erodium cicutarium Geraniaceae Geranium Family 33 Smallflower geranium Geranium pusillum Geraniaceae Geranium Family 34 Carolina geranium Geranium carolinianum Geraniaceae Geranium Family 34 Henbit Lamium amplexicaule Lamiaceae Mint Family 35 Purple deadneƩle Lamium purpureum Lamiaceae Mint Family 36 Cutleaf eveningprimrose Oenothera laciniata Onagraceae Eveningprimrose Family 37 Yellow woodsorrel Oxalis stricta Oxalidaceae Woodsorrel Family 38 Curly dock Rumex crispus Polygonaceae Smartweed Family 39 Catchweed bedstraw Galium aparine Rubiaceae Madder Family 40 Corn speedwell Veronica arvensis Scrophulariaceae Figwort Family 41 Ivyleaf speedwell Veronica hederifolia Scrophulariaceae Figwort Family 42 Purslane speedwell Veronica peregrine Scrophulariaceae Figwort Family 43 Field pansy Viola arvensis Violaceae Violet Family 44 Winter Weeds Table of Contents
Transcript of University of Delaware - Common name Scien fic …...Common name Scien fic name Family Page # Wild...
Common name Scien fic name Family Page #
Wild garlic Allium vineale Liliaceae Lily Family 2
Star of bethlehem Ornithogalum umbellatum Liliaceae Lily Family 3
Bulbous oatgrass Arrhenatherum ela us Poaceae Grass Family 4
Downy brome Bromus tectorum Poaceae Grass Family 5
Annual ryegrass Lolium mul florum Poaceae Grass Family 6
Annual bluegrass Poa annua Poaceae Grass Family 7
Roughstalk bluegrass Poa trivialis Poaceae Grass Family 8
Wild carrot Daucus carota Apiaceae Carrot Family 9
Mayweed chamomile Anthemis cotula Asteraceae Aster Family 10
Cornflower Centaurea cyanus Asteraceae Aster Family 11
Canada thistle Cirsium arvense Asteraceae Aster Family 12
Bull thistle Cirsium vulgare Asteraceae Aster Family 13
Horseweed Conyza canadensis Asteraceae Aster Family 14
Common catsear Hypochoeris radicata Asteraceae Aster Family 15
Prickly le uce Lactuca serriola Asteraceae Aster Family 16
Common groundsel Senecio vulgaris Asteraceae Aster Family 17
Dandelion Taraxacum officinale Asteraceae Aster Family 18
Mouseear cress Arabidopsis thaliana Brassicaceae Mustard Family 19
Yellow rocket Barbarea vulgaris Brassicaceae Mustard Family 20
Shepherd's purse Capsella bursa‐pastoris Brassicaceae Mustard Family 21
Hairy bi ercress Cardamine hirsuta Brassicaceae Mustard Family 22
Whitlowgrass Draba verna Brassicaceae Mustard Family 23
Virginia pepperweed Lepidium virginicum Brassicaceae Mustard Family 24
Pennycress Thlaspi arvense Brassicaceae Mustard Family 25
Venus looking‐glass Tridanis perfoliata Campanulaceae Bellflower Family 26
Mouseear chickweed Ceras um vulgatum Caryophyllaceae Pink Family 27
Jagged chickweed Holosteum umbellatum Caryophyllaceae Pink Family 28
Common chickweed Stellaria media Caryophyllaceae Pink Family 29
Knawel Scleranthus annuus Caryophyllaceae Pink Family 30
Yellow flowered vetch Vicia grandiflora Fabaceae Pea Family 31
Common vetch Vicia sa va Fabaceae Pea Family 32
Redstem filaree Erodium cicutarium Geraniaceae Geranium Family 33
Smallflower geranium Geranium pusillum Geraniaceae Geranium Family 34
Carolina geranium Geranium carolinianum Geraniaceae Geranium Family 34
Henbit Lamium amplexicaule Lamiaceae Mint Family 35
Purple deadne le Lamium purpureum Lamiaceae Mint Family 36
Cutleaf eveningprimrose Oenothera laciniata Onagraceae Eveningprimrose Family 37
Yellow woodsorrel Oxalis stricta Oxalidaceae Woodsorrel Family 38
Curly dock Rumex crispus Polygonaceae Smartweed Family 39
Catchweed bedstraw Galium aparine Rubiaceae Madder Family 40
Corn speedwell Veronica arvensis Scrophulariaceae Figwort Family 41
Ivyleaf speedwell Veronica hederifolia Scrophulariaceae Figwort Family 42
Purslane speedwell Veronica peregrine Scrophulariaceae Figwort Family 43
Field pansy Viola arvensis Violaceae Violet Family 44
Winter Weeds Table of Contents
2
Allium vineale Perennial
Liliaceae (Lily Family)
Wild garlic
Back to contents
3
Ornithogalum umbellatum Perennial
Liliaceae (Lily Family)
Star of Bethlehem
Back to contents
4
Arrhenatherum ela us Perennial
Poaceae (Grass Family)
Bulbous oatgrass
Back to contents
5
Bromus tectorum
Annual
Poaceae
(Grass Family)
Downy brome (Cheatgrass)
Back to contents
6
Lolium mul florum
Annual
Poaceae
(Grass Family)
Synonyms: Annual
ryegrass
Italian ryegrass
Back to contents
7
Annual bluegrass Poa annua Annual
Poaceae (Grass Family)
Back to contents
8
Poa trivialis Perennial
Poaceae
(Grass Family)
Roughstalk bluegrass
Back to contents
9
Daucus carota
Biennial
Apiaceae
(Carrot Family)
Wild carrot (Queen Anne's Lace)
Back to contents
10
Mayweed chamomile Anthemis cotula Annual
Asteraceae (Aster Family)
Back to contents
11
Centaurea cyanus
Annual
Asteraceae (Aster Family)
Synonyms: Bachelors bu ons
Cornflower
Back to contents
12
Canada thistle
Cirsium arvense
Perennial
Asteraceae (Aster Family) Back to contents
13
Cirsium vulgare
Biennial
Asteraceae
(Aster Family)
Bull thistle
Back to contents
14
Conyza canadensis
Annual
Asteraceae (Aster
Family)
Synonyms: marestail
Horseweed
Back to contents
15
Hypochoeris radicata
Perennial
Asteraceae (Aster Family)
Synonyms: False dandelion
Common catsear
Back to contents
16
Lactuca serriola
Annual (or a biennial)
Asteraceae (Aster family)
Prickly le uce
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17
Senecio vulgaris
Annual
Asteraceae (Aster Family)
Common groundsel
Back to contents
18
Taraxacum officinale
Perennial
Asteraceae (Aster Family)
Dandelion
Back to contents
19
Arabidopsis thaliana
Annual
Brassicaceae
(Mustard Family)
Mouseear cress
Back to contents
20
Barbarea vulgaris
Annual
Brassicaceae
(Mustard Family)
Yellow rocket
Back to contents
21
Capsella bursa‐pastoris
Annual
Brassicaceae
(Mustard Family)
Shepherd's purse
Back to contents
22
Cardamine hirsuta
Annual
Brassicaceae
(Mustard Family)
Hairy bi ercress
Back to contents
23
Draba verna
Annual
Brassicaceae
(Mustard Family)
Whitlowgrass
Back to contents
24
Lepidium virginicum Annual
Brassicaceae (Mustard Family)
Virginia pepperweed
Back to contents
25
Thlaspi arvense Annual
Brassicaceae (Mustard Family)
Pennycress
Back to contents
26
Triodanis perfoliata
Annual
Campanulaceae
(Bellflower Family)
Venus looking‐glass
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27
Ceras um vulgatum Perennial
Caryophyllaceae (Pink Family)
Mouseear chickweed
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28
Holosteum umbellatum
Annual
Caryophyllaceae (Pink Family)
Jagged chickweed
Back to contents
29
Common chickweed Stellaria media Annual
Caryophyllaceae (Pink Family)
Back to contents
30
Scleranthus annuus Annual
Caryophyllaceae (Pink Family)
Knawel
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31
Yellow flowered vetch Vicia grandiflora Annual
Fabaceae (Pea Family)
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32
Common vetch Vicia sa va Annual
Fabaceae (Pea Family)
Back to contents
33
Erodium cicutarium Annual or biennial
Geraniaceae (Geranium Family)
Redstem filaree (Storksbill)
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34
Geranium pusillum Biennial Geraniaceae (Geranium
Family)
Smallflower geranium
Carolina geranium (Cranesbill)
Geranium carolinia‐
num Biennial Gera‐
niaceae (Geranium
Family)
Back to contents
35
Henbit
Lamium amplexicaule
Annual
Lamiaceae (Mint Family)
Back to contents
36
Lamium purpureum
Annual
Lamiaceae (Mint Family)
Purple deadne le
Back to contents
37
Oenothera laciniata
Annual or biennial
Onagraceae (Eveningprimrose Family)
Cutleaf eveningprimrose
Back to contents
38
Oxalis stricta Perennial
Oxalidaceae (Woodsorrel Family)
Yellow woodsorrel
Back to contents
39
Rumex crispus Perennial
Polygonaceae (Smartweed Family)
Curly dock
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40
Catchweed bedstraw Galium aparine Annual
Rubiaceae (Madder Family)
Back to contents
41
Corn speedwell
Veronica arvensis
Annual
Scrophulariaceae (Figwort Family)
Back to contents
42
Ivyleaf speedwell
Veronica hederifolia
Annual
Scrophulariaceae (Figwort Family) Back to contents
43
Purslane speedwell
Veronica peregrina
Annual
Scrophulariaceae (Figwort Family) Back to contents
44
Viola arvensis Annual Violaceae (Violet Family)
Synonyms: Field pansy, Johnny jump‐up.
Field violet
Back to contents
45
Resources
Uva, R.H., J. C. Neal, and J.M. DiTomaso. Weeds of the Northeast. Cornell University Press,
1997.
USDA/NRCS Plants Database. (2017) h ps://plants.usda.gov/java/
Photos taken by B. A. Sco , University of Delaware Research Associate Weed Science.
