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Natural Resources: Weeds

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Subject Scientific Name Images
annual bluegrass Poa annua 2
annual sowthistle Sonchus oleraceus 3
babysbreath Gypsophila paniculata 2
barnyardgrass Echinochloa crus-galli 6
bermudagrass Cynodon dactylon 10
birdsrape mustard Brassica rapa 2
bittersweet nightshade Solanum dulcamara 9
black henbane Hyoscyamus niger 4
blue mustard Chorispora tenella 1
bluebuttons Knautia arvensis 1
bouncingbet Saponaria officinalis 3
bristly foxtail Setaria verticillata 4
bulbous bluegrass Poa bulbosa 1
bull thistle Cirsium vulgare 9
camelthorn Alhagi maurorum 4
Canada thistle Cirsium arvense 13
catchweed bedstraw Galium aparine 3
cattail grass Setaria pumila ssp. pallidefusca 2
cheatgrass Bromus tectorum 4
clasping pepperweed Lepidium perfoliatum 4
common chokecherry Prunus virginiana 1
common crupina Crupina vulgaris 1
common groundsel Senecio vulgaris 1
common mullein Verbascum thapsus 6
common reed Phragmites australis 2
common salsify Tragopogon porrifolius 1
common St. Johnswort Hypericum perforatum 7
common sunflower Helianthus annuus 4
common tansy Tanacetum vulgare 6
common teasel Dipsacus fullonum 14
cornflower Centaurea cyanus 1
crested wheatgrass Agropyron cristatum 2
curly dock Rumex crispus 3
cushion spurge Euphorbia epithymoides 1
cutleaf blackberry Rubus laciniatus 1
cypress spurge Euphorbia cyparissias 2
Dalmatian toadflax Linaria dalmatica 7
dandelion Taraxacum officinale 5
devil's-claw Proboscidea louisianica 1
diffuse knapweed Centaurea diffusa 5
Dyer's woad Isatis tinctoria 48
everlasting peavine Lathyrus latifolius 1
field bindweed Convolvulus arvensis 8
field pennycress Thlaspi arvense 5
field pepperweed Lepidium campestre 3
garlic mustard Alliaria petiolata 1
goatsrue Galega officinalis 9
great burdock Arctium lappa 4
green foxtail Setaria viridis 1
hairy vetch Vicia villosa 4
henbit Lamium amplexicaule 4
Himalaya blackberry Rubus armeniacus 1
hoary cress Lepidium draba 11
houndstongue Cynoglossum officinale 3
intermediate wheatgrass Thinopyrum intermedium 1
Japanese knotweed Fallopia japonica 3
johnsongrass Sorghum halepense 14
jointed goatgrass Aegilops cylindrica 8
knapweeds Centaurea spp. 3
ladysthumb Persicaria maculosa 2
large crabgrass Digitaria sanguinalis 2
leafy spurge Euphorbia esula 20
meadow salsify Tragopogon lamottei 3
Mediterranean barley Hordeum marinum ssp. gussonianum 3
medusahead Taeniatherum caput-medusae 15
Mexican fireweed Kochia scoparia 6
moist sowthistle Sonchus arvensis ssp. uliginosus 1
musk thistle Carduus nutans 19
myrtle spurge Euphorbia myrsinites 4
orchardgrass Dactylis glomerata 2
oxeye daisy Leucanthemum vulgare 6
parrot feather milfoil Myriophyllum aquaticum 1
perennial pepperweed Lepidium latifolium 9
perennial sowthistle Sonchus arvensis 7
pineapple-weed Matricaria discoidea 1
poison-hemlock Conium maculatum 5
prickly lettuce Lactuca serriola 5
puncturevine Tribulus terrestris 8
purple loosestrife Lythrum salicaria 12
purple starthistle Centaurea calcitrapa 4
quackgrass Elymus repens 8
rabbitfoot polypogon Polypogon monspeliensis 3
rattlesnake brome Bromus briziformis 2
redroot pigweed Amaranthus retroflexus 4
rush skeletonweed Chondrilla juncea 3
Russian knapweed Rhaponticum repens 8
Russian-olive Elaeagnus angustifolia 8
Russian-thistle Salsola tragus 5
saltcedar Tamarix ramosissima 3
Scotch broom Cytisus scoparius 3
Scotch thistle Onopordum acanthium 15
shepherd's-purse Capsella bursa-pastoris 4
Siberian elm Ulmus pumila 2
smallseed falseflax Camelina microcarpa 2
spiny plumeless thistle Carduus acanthoides 4
spiny sowthistle Sonchus asper 6
spotted knapweed Centaurea stoebe ssp. micranthos 10
squarrose knapweed Centaurea virgata 14
stinkgrass Eragrostis cilianensis 6
sulfur cinquefoil Potentilla recta 6
summer pheasant's eye Adonis aestivalis 5
tamarisk Tamarix spp. 12
thistle Cirsium spp. 5
tree-of-heaven Ailanthus altissima 1
twolobe speedwell Veronica biloba 4
velvetleaf Abutilon theophrasti 6
wild oat Avena fatua 8
wild parsnip Pastinaca sativa 1
witchgrass Panicum capillare 1
yellow alyssum Alyssum alyssoides 1
yellow rocket Barbarea vulgaris 1
yellow starthistle Centaurea solstitialis 21
yellow sweetclover Melilotus officinalis 8
yellow toadflax Linaria vulgaris 8

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