Weed Herbarium – by Family Name
Welcome to the UMass Extension Weed Herbarium! Weeds in the herbarium can be viewed by common name, scientific name, or plant family by using the menu tabs below. Images and notes to aid in identification are revealed by clicking on the weed name. For questions and permission to use photos contact Randy Prostak; rprostak@umext.umass.edu.
| carpetweed | Mollugo verticillata |
| cottonweed | Froelichia gracilis |
| pigweed, livid | Amaranthus lividus |
| pigweed, redroot | Amaranthus retroflexus |
| amaranth, spiny | Amaranthus spinosus |
| poison-ivy | Toxicodendron radicans |
| sumac, smooth | Rhus glabra |
| sumac, staghorn | Rhus typhina |
| carrot, wild | Daucus carota |
| cicely, sweet | Osmorhiza claytoni |
| cowparsnip | Heracleum lanatum |
| goutweed, bishops | Aegopodium podagraria |
| waterhemlock, spotted | Cicuta maculata |
| aniseroot | Osmorhiza longistilis |
| angelica, purplestem | Angelica atropurpurea |
| alexanders, golden | Zizia aurea |
| parsnip, wild | Pastinaca sativa |
| dogbane, hemp | Apocynum cannabinum |
| dogbane, spreading | Apocynum androsaemifolium |
| skunk-cabbage, common | Symplocarpus foetidus |
| devil's-walkingstick | Aralia spinosa |
| milkweed, common | Asclepias syriaca |
| milkweed, swamp | Asclepias incarnata |
| swallowwort, black | Cynanchum nigrum |
| swallowwort, pale | Cynanchum rossicum |
| aster, white wood | Aster divaricatus |
| aster, whorled | Oclemena acuminata |
| beggarticks, devil's | Bidens frondosa |
| black-eyed, susan | Rudbeckia hirta |
| boneset | Eupatorium perfoliatum |
| burdock, common | Arctium minus |
| burdock, great | Arctium lappa |
| butterbur, butterbur-dock | Petasites hybridus |
| cat's ear | Hypochaeris radicata |
| chicory | Cichorium intybus |
| cocklebur | Xanthium strumarium |
| coltsfoot | Tussilago farfara |
| cupplant | Silphium perfoliatum |
| daisy, English | Bellis perennis |
| daisy, oxeye | Chrysanthemum leucanthemum |
| dandelion | Taraxacum officinale |
| dandelion, fall | Leontodon autumnalis |
| dogfennel | Eupatorium capillifolium |
| fleabane, annual | Erigeron annuus |
| fleabane | Erigeron pulchellus |
| galinsoga, hairy | Galinsoga ciliata |
| goldenrod, Canada | Solidago canadensis |
| goldenrod, narrowleaf | Solidago graminifolia |
| goldenrod, seashore | Solidago sempervirens |
| groundsel, common | Senecio vulgaris |
