Image Gallery Common Name Binomial Name Video Description
Whiteheath Aster Thumbnail Aster, Whiteheath Aster pilosus
Brambles Brambles Rubus spp.
wild buckwheat leaf Buckwheat, Wild Polygonum convolvulus L.
Burcucumber Burcucumber Sicyos angulatus
Common Burdock Burdock, Common Arctium minus
Tall Buttercup thumbnail Buttercup, Tall Ranunculus acris
Butterfly-weed Butterfly-weed Asclepias turberosa
wild carrot leaf and flower Carrot, Wild Daucus carota Wild Carrot Video
Night-flowering Catchfly Catchfly, Night-flowering Silene noctiflora
common chickweed Chickweed, Common Stallaria media L. Common Chickweed Video
mouse ear chickweed and flower Chickweed, Mouse Ear Cerastium vulgatum L. Mouse Ear Chickweed Video
chicory Chicory Cichorium intybus L.
rough cinquefoil Cinquefoil Potentilla spp. Cinquefoil Video
white clover Clover, White Trifolium repens White Clover Video
coltsfoot Coltsfoot Tussilago farfara
Cornmint Cornmint Mentha arvensis
Wild Cucumber Cucumber, Wild Echinocystis lobata
Dandelion Dandelion Taraxacum officinale Dandelion Video
Broadleaf Dock Dock, Broadleaf Rumex obtusifolius Broadleaf Dock Video
Curly Dock Dock, Curly Rumex crispus Curly Dock Video
Hemp Dogbane Dogbane Apocynum cannabinum
Dogfennel Dogfennel Eupatorium capillifolium
Eastern Bracken Fern Fern, Easter Bracken Pteridium aquilinum var. latiusculum
Cutleaf Evening Primrose Evening Primrose, Cutleaf Oenothera laciniata
Galinsoga Galinsoga Galinsoga ciliata
Wild Geranium Geranium, Wild Geranium carolinianum
Canada Goldenrod Goldenrod, Canada Solidago canadensis
Nettleleaf Goosefoot Goosefoot, Nettleleaf Chenopodiastrum murale
Clammy Ground Cherry Ground Cherry, Clammy Physalis heterophylla
Groundsel Groundsel Senecio vulgaris
Yellow Hawkweed Hawkweed, Yellow Hieracium pratense
Healall Healall Prunella vulgaris Healall Video
Henbit Henbit Lamium amplexicaule Henbit Video
Field Horsetail Horsetail, Field Equisetum arvense
Ground Ivy Ivy, Ground Glechoma hederaceae Ground Ivy Video
Poison-ivy Ivy Poison Toxicodendron radicans
Jimsoweed Jimsonweed Datura stramonium
Prostrate Knotweed Knotweed, Prostrate Polygonum aviculare Prostrate Knotweed Video
Kochia Kochia Kochia scoparia
Ladysthumb Ladysthumb Polygonum persicaria
Lambsquarter Lambsquarter Chenopodium album
Prickly Lettuce Lettuce, Prickly Lactuca serriola
Mallow Mallow Malva neglecta Mallow Video
Marestail Marestail Conyza canadensis
black medic Medic, Black Medicago lupulina Black Medic Video
Image courtesy of Jack Harper Slide Collection Mayweed Anthemis cotula
Milkweed Milkweed Asclepias syriaca
Morning Glory Morning-glory Ipomoea spp.
Mugwort Mugwort Artemisia vulgaris
Bitter Nightshade Nightshade, Bitter Solanum dulcamara
Ox-eye Daisy Daisy, Ox-eye Leucanthemum vulgare
Oxalis Oxalis Oxalis spp. Oxalis Video
Passion-flower Passion-flower Passiflora incarnata
Brambles Pea, Partridge Chamaecrista fasciculata
Prickly Pear Pear, Prickly Opuntia hunifusa
Birdseye Pearlwort Pearlwort, Birdseye Sagina procumbens
Field Pennycress Pennycress, Field Thlaspi arvense
Redroot Pigweed Pigweed, Redroot Amaranthus retroflexus
Scarlet Pimpernel Pimpernel, Scarlet Anagallis arvensis spp. Scarlet Pimpernel Video
Pineapple Weed Pineappleweed Matricaria discoidea
Broadleaf Plantain Plantain, Broadleaf Plantago major Broadleaf Plantain Video
Buckhorn Plantain Plantain, Buckhorn Plantago lanceolata Buckhorn Plantain Video
Common Pokeweed Pokeweed, Common Phytolacca americana
Purslane Purslane Portulaca oleracea Purslane Video
Ragweed Ragweed Ambrosia spp.
Fringed Redmaids Redmaids, Fringed Calandrinia ciliata
Yellow Rocket Rocket, Yellow Barbarea vulgaris arcuata Yellow Rocket Video
Hemp Sesbania Sesbania, Hemp Sesbania herbacea
Shepherd's Purse Shepherds-purse Capsella bursa-pastoris
Sicklepod Sicklepod Senna obtusifolia
Pennsylvania Smartweed Smartweed, Pennsylvania Polygonum pensylvanicum
White Snakeroot Snakeroot, White Ageratina altissima
Snow on the Mountain Snow on the Mountain Euphorbia marginata
Red Sorrel Sorrel, Red Sheep Rumex acetosella
Common Speedwell Speedwell, Common Veronica officianalis
Creeping Speedwell Speedwell, Creeping Veronica filiformis Creeping Speedwell Video
Ivyleaf Speedwell Speedwell, Ivyleaf Veronica hederifolia
Thymeleaf Speedwell Speedwell, Thymeleaf Veronica serpyllifolia Thymeleaf Speedwell Video
Prostrate Spurge Spurge, Prostrate Euphorbia supina Prostrate Spurge Video
Spruge, spotted Spurge, Spotted Euphorbia maculata
Bristly Starbur Starbur, Bristly Acanthospermum hispidum
Bull Thistle Thistle, Bull Cirsium vulgare Bull Thistle Video
Canada Thistle Thistle, Canada Cirsium arvense Canada Thistle Video
Birdsfoot Trefoil Trefoil, Birdsfoot Lotus corniculatus
Velvetleaf Velvetleaf Abutilon theophrasti
Bigbract Verbena Verbena, Big-bract Verbena bracteata
Sandpaper Verbena Verbena, Sandpaper Verbena bracteata
Violet Violet Viola papilonacea Violet Video
Wild Watermelon Watermelon, Wild Citrullus lanatus
Early Whitlowgrass Whitlowgrass, Early Draba verna
Asiatic Witchweed Witchweed, Asiatic Striga asiatica
Yarrow Yarrow Achillea millefolium Yarrow Video