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Natural Resources: Weeds

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440 Images of 117 Subjects View Subject List View Image Details View Thumbnails

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Subject Scientific Name Images
Amur silvergrass Miscanthus sacchariflorus 6
Asiatic dayflower Commelina communis 1
autumn-olive Elaeagnus umbellata 13
bahiagrass Paspalum notatum 1
barberry Mahonia spp. 2
barnyardgrass Echinochloa crus-galli 1
beach vitex Vitex rotundifolia 3
Benghal dayflower Commelina benghalensis 3
bermudagrass Cynodon dactylon 1
big periwinkle Vinca major 2
bigroot morningglory Ipomoea pandurata 1
bishops goutweed Aegopodium podagraria 4
bitter sneezeweed Helenium amarum 1
Black dog-strangling vine, black swallowwort Cynanchum louiseae 7
bladder campion Silene latifolia ssp. alba 6
bloodscale sedge Cyperus sanguinolentus 1
blue panicum Panicum antidotale 1
Boston swordfern Nephrolepis exaltata 1
bulbous bluegrass Poa bulbosa 1
Canada bluegrass Poa compressa 3
cheatgrass Bromus tectorum 4
Chinese privet Ligustrum sinense 1
Chinese silvergrass Miscanthus sinensis 3
Chinese yam Dioscorea polystachya 1
chufa flatsedge Cyperus esculentus var. leptostachyus 1
climbing fern Lygodium spp. 4
coco yam, wild taro Colocasia esculenta 2
cogongrass Imperata cylindrica 12
coltsfoot Tussilago farfara 5
common comfrey Symphytum officinale 2
common mullein Verbascum thapsus 3
common pokeweed Phytolacca americana 2
common reed Phragmites australis 3
common St. Johnswort Hypericum perforatum 1
creeping buttercup Ranunculus repens 3
crested latesummer mint Elsholtzia ciliata 4
croftonweed Ageratina adenophora 1
cypress spurge Euphorbia cyparissias 1
damesrocket Hesperis matronalis 2
daylily Hemerocallis spp. 1
deertongue Dichanthelium clandestinum 3
dog-strangling vine, European swallowwort Cynanchum rossicum 5
Dyer's woad Isatis tinctoria 1
European pepperwort Marsilea quadrifolia 6
flowering rush Butomus umbellatus 4
garlic mustard Alliaria petiolata 12
giant hogweed Heracleum mantegazzianum 6
giant salvinia Salvinia molesta 2
glossy buckthorn Frangula alnus 8
goldenrod Solidago spp. 2
great yellowcress Rorippa amphibia 11
greater celandine Chelidonium majus 8
ground ivy Glechoma hederacea 7
hairy bittercress Cardamine hirsuta 8
hairy white oldfield aster Symphyotrichum pilosum var. pilosum 1
healall Prunella vulgaris 1
hemp dogbane Apocynum cannabinum 3
honeyvine swallowwort Cynanchum laeve 1
houndstongue Cynoglossum officinale 1
Japanese climbing fern Lygodium japonicum 2
Japanese knotweed Fallopia japonica 4
Japanese sedge Carex kobomugi 6
Japanese stiltgrass Microstegium vimineum 10
Jerusalem artichoke Helianthus tuberosus 2
johnsongrass Sorghum halepense 12
large crabgrass Digitaria sanguinalis 1
leafy spurge Euphorbia esula 4
leatherleaf mahonia Mahonia bealei 1
lesser celandine, fig buttercup Ficaria verna 5
mile-a-minute weed Persicaria perfoliata 9
mugwort Artemisia vulgaris 1
multiflora rose Rosa multiflora 1
narrow swordfern Nephrolepis cordifolia 1
narrowleaf bittercress Cardamine impatiens 4
nimblewill Muhlenbergia schreberi 2
oriental bittersweet Celastrus orbiculatus 11
ornamental jewelweed Impatiens glandulifera 20
oxeye daisy Leucanthemum vulgare 1
perennial pepperweed Lepidium latifolium 3
perennial sowthistle Sonchus arvensis 1
potato Solanum tuberosum 2
quackgrass Elymus repens 3
red sorrel Rumex acetosella 3
reed canarygrass Phalaris arundinacea 23
reed mannagrass Glyceria maxima 15
Rocky Mountain iris Iris missouriensis 1
rush skeletonweed Chondrilla juncea 1
sensitive fern Onoclea sensibilis 3
slender false garlic Nothoscordum gracile 1
slender rush Juncus tenuis 1
slender snakecotton Froelichia gracilis 2
small broomrape Orobanche minor 4
small carpetgrass, joint-head grass Arthraxon hispidus 3
spotted knapweed Centaurea stoebe 6
spotted knapweed Centaurea stoebe ssp. micranthos 1
star-of-Bethlehem Ornithogalum umbellatum 1
stinkgrass Eragrostis cilianensis 1
tall fescue Festuca arundinacea 4
tawny daylily Hemerocallis fulva 3
Thunberg's geranium Geranium thunbergii 7
timothy Phleum pratense 1
vaseygrass Paspalum urvillei 3
water knotweed Polygonum amphibium 2
waterhyacinth Eichhornia crassipes 1
waterlettuce Pistia stratiotes 1
white poplar Populus alba 4
wild chervil Anthriscus sylvestris 6
wild four-o'clock Mirabilis nyctaginea 4
wild garlic Allium vineale 4
wild onion Allium canadense 2
wild parsnip Pastinaca sativa 1
winter creeper Euonymus fortunei var. radicans 1
wirestem muhly Muhlenbergia frondosa 5
yellow hornpoppy Glaucium flavum 1
yellow nutsedge Cyperus esculentus 3
yellow toadflax Linaria vulgaris 1
yellowflag iris Iris pseudacorus 9

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