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The Ohio State University Weed Lab Image Archive

The Ohio State University Weed Lab Image Archive Our research and extension program is all about helping fruit and vegetable farmers, consultants and extension specialists do a better job of managing weeds. We conduct practical research that brings new weed control technology to the farm, and incorporates new knowledge about weed biology and the agroecosystem. We develop and provide educational programs and curriculum to help our clients become better weed managers. We train students who will become the scientists, educators, extension specialists and farmers of tomorrow. These are images taken by students and staff while working in the Weed Workshop. Visit Website

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714 Images of 50 Subjects View Subject List View Image Details View Thumbnails

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Subject Scientific Name Images
bitter sneezeweed Helenium amarum 3
boneset Eupatorium perfoliatum 14
bull thistle Cirsium vulgare 28
Canada goldenrod Solidago canadensis 4
Canada thistle Cirsium arvense 51
chicory Cichorium intybus 22
coltsfoot Tussilago farfara 24
common burdock Arctium minus 27
common cocklebur Xanthium strumarium 3
common groundsel Senecio vulgaris 7
common ragweed Ambrosia artemisiifolia 8
common yarrow Achillea millefolium 27
dandelion Taraxacum officinale 18
dandelion Taraxacum spp. 14
devils beggarticks Bidens frondosa 2
early goldenrod Solidago juncea 4
flat-top goldentop Euthamia graminifolia var. graminifolia 7
fleabanes Erigeron spp. 1
giant ironweed Vernonia gigantea gigantea 25
giant ragweed Ambrosia trifida 12
goatsbeard Tragopogon spp. 8
goldenrod Solidago spp. 22
hairy cat's ear Hypochaeris radicata 22
hairy galinsoga Galinsoga quadriradiata 6
hairy white oldfield aster Symphyotrichum pilosum var. pilosum 14
hawkweeds Hieracium spp. 24
horseweed Conyza canadensis 11
Jerusalem artichoke Helianthus tuberosus 28
joe pye weed Eupatoriadelphus spp. 15
lawn burweed Soliva sessilis 1
meadow knapweed Centaurea moncktonii 1
mugwort Artemisia vulgaris 24
musk thistle Carduus nutans 2
nodding beggarticks Bidens cernua 11
orange hawkweed Hieracium aurantiacum 5
oxeye daisy Leucanthemum vulgare 20
parasol whitetop Doellingeria umbellata var. umbellata 13
perennial sowthistle Sonchus arvensis 27
prickly lettuce Lactuca serriola 37
spiny sowthistle Sonchus asper 2
spotted joe pye weed Eupatoriadelphus maculatus 5
spotted knapweed Centaurea stoebe ssp. micranthos 28
tall lettuce Lactuca canadensis 9
trumpetweed Eupatorium fistulosum 13
western salsify Tragopogon dubius 18
white heath aster Symphyotrichum ericoides var. ericoides 17
white snakeroot Ageratina altissima 3
white snakeroot Ageratina altissima var. altissima 14
yellow hawkweed Hieracium fendleri 3
zigzag goldenrod Solidago flexicaulis 10

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