Weed Herbarium
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.
| Common Name | Scientific Name | Family Name |
|---|---|---|
| agrimony | Agrimonia gryposepala | Rosaceae - Rose Family |
| agrimony, tall hairy | see - agrimony | |
| akebia, five-leaf | Akebia quinata | Lardizabalaceae - Lardizabala Family |
| alexanders, darkpurple | see - angelica, purplestem | |
| alexanders, golden | Zizia aurea | Apiaceae (Umbelliferae) - Carrot Family |
| alyssum, hoary | Berteroa incana | Brassicaceae (Cruciferae) - Mustard Family |
| amaranth, spiny | Amaranthus spinosus | Amaranthaceae - Amaranth Family |
| angelica, American | see - angelica, purplestem | |
| angelica, purplestem | Angelica atropurpurea | Apiaceae (Umbelliferae) - Carrot Family |
| aniseroot | Osmorhiza longistilis | Apiaceae (Umbelliferae) - Carrot Family |
| anoda, crested | see - anoda, spurred | |
| anoda, spurred | Anoda cristata | Malvaceae - Mallow Family |
| apple-of-sodom | see - horsenettle | |
| aster, white wood | Aster divaricatus | Asteraceae (Compositae) - Aster or Sunflower Family |
| aster, whorled | Oclemena acuminata | Asteraceae (Compositae) - Aster or Sunflower Family |
| avens, white | Geum canadense | Rosaceae - Rose Family |
| balsam, apple | see - cucumber, wild | |
| balsam, himalaya | Impatiens glandulifera | Balsaminaceae - Touch-Me-Not Family |
| bamboo, Japanese | see - knotweed, Japanese | |
| bamboo, Mexican | see - knotweed, Japanese | |
| barnyard grass | Echinochloa crus-galli | Poaceae (Graminae) - Grass Family |
| bean, wild | see - groundnut | |
| bedstraw, annual | see - bedstraw, catchweed | |
| bedstraw, catchweed | Galium aparine | Rubiaceae - Madder Family |
| bedstraw, hairy | Galium pilosum | Rubiaceae - Madder Family |
| bedstraw, smooth | Galium mollugo | Rubiaceae - Madder Family |
| beggarslice | Hackelia virginiana | Boraginaceae - Borage Family |
| beggarticks | Bidens frondosa | Asteraceae (Compositae) - Aster or Sunflower Family |
| bellwort | see - Venus lookingglass | |
| belvedere | see - kochia | |
| bentgrass, creeping | Agrostis stolonifera | Poaceae (Graminae) - Grass Family |
| big bluestem | Andropogon gerardii | Poaceae (Graminae) - Grass Family |
| bindweed, field | Convolvulus arvensis | Convolvulaceae - Morningglory Family |
| bindweed, fringed | see - knotweed, black fringed | |
| bindweed, fringed | see - knotweed, black fringed | |
| bindweed, hedge | Calystegia sepium | Convolvulaceae - Morningglory Family |
| bird's nest | see - carrot, wild | |
| bitter | see - dock, broadleaf | |
| bittercress | Cardamine hirsuta | Brassicaceae (Cruciferae) - Mustard Family |
| bittercress, cuckoo | Cardamine pratensis | Brassicaceae (Cruciferae) - Mustard Family |
| bittersweet, asiatic | see - bittersweet, oriental | |
| bittersweet, oriental | Celastrus orbiculatus | Celastraceae - Stafftree Family |
| black-eyed susan | Rudbeckia hirta | Asteraceae (Compositae) - Aster or Sunflower Family |
| bladder campion | Silene vulgaris | Caryophyllaceae - Pink Family |
| blue devil | see - blueweed | |
| bluecurls | Trichostema dichotomum | Lamiaceae (Labiatae) - Mint Family |
| bluegrass, annual | Poa annua | Poaceae (Graminae) - Grass Family |
| bluegrass, bulbous | Poa bulbossa | Poaceae (Graminae) - Grass Family |
| bluejoint | see - big bluestem | |
| bluestem, little | Andropogon scoparius | Poaceae (Graminae) - Grass Family |