Common Weeds of the Northeastern U.S.

Cheryl Bruce, Dr. Leonard Perry, Andrea Luchini
grad assistant, professor, grad assistant
University of Vermont


Click links for descriptions and photos, (P) for photo only; click for pronunciation (.wav files)
Some weeds can behave both as annual (self seeding) and perennial.
Bloom (predominant season in USDA zone 4): sum=summer (July), fall (late Aug, early Sept)
 
Scientific Name
Common Name (english, french)
Bloom
Annuals  
Amaranthus retrofolia  Redroot pigweed, amarante à racine rouge fall
Ambrosia artemisiifolia Ragweed, petite herbe à poux fall
Capsella bursa-pastoris (P) Shepherd's Purse, bourse-à-pasteur sum
Chenopodium album Lambsquarters, chénopode blanc sum
Digitaria sanguinalis Large Crabgrass, digitaire pourpre fall
Erigeron annuus (P) Annual Daisy Fleabane, vergerette annuelle sum
Euphorbia supina Prostrate (Milk) Spurge fall
Galinsoga parviflora Small-flowered Galinsoga, galinsoga fall
Malva spp. Mallow, amours fall
Matricaria matricarioides Pineapple Weed, matricaire odorante fall
Mollugo verticillata Carpetweed, mollugo verticillé fall
Poa annua Annual Bluegrass fall
Senecio vulgaris Common Groundsel, séneçon commun fall
Setaria spp. Foxtail, mil sauvage fall
Sisymbrium officinale (P) Hedge Mustard, herbe au chantre sum
Sonchus asper (P) Spiny-leaved Sow Thistle, laiteron rude sum
Stellaria longifolia (P, in peony) Long-leaved Stitchwort (Chickweed), stellaire sum
Xanthium strumarium Cocklebur, lampourde glouteron fall
Biennials  
Arctium lappa Burdock, rhubarbe sauvage fall
Daucus carota  Queen Anne's Lace, Wild Carrot, carotte sauvage fall
Perennials  
Barbarea vulgaris Yellow Rocket, Herb barbara fall
Cerastium fontanum (P) Mouse-ear Chickweed, céraiste vulgaire sum
Chicorum intybus Wild Chicory, chicorée sauvage fall
Cirsium  spp. Canada Thistle, chardon du Canada fall
Convolvulus arvensis sound Field Bindweed, liseron des champs suml
Equisetum  spp. Horsetail, prèle des champs fall
Epilobium glandulosum (P) Northern Willowherb sum
Galium spp. Bedstraw, gaillet sum
Glechoma hederacea Ground Ivy, Creeping Charlie, Gill-over-the-ground, lierre terrestre fall
Lythrum salicaria Purple Loosestrife, salicaire commune fall
Oxalis europaea  Yellow Woodsorrel, oxalide de Dillenius fall
Plantago major Broadleaf Plantain, plantain majeur fall
Ranunculus acris (P) Tall Buttercup, renoncule âcre sum
Rumex  spp. Dock, patience à feuilles obtuses fall
Solidago spp. Goldenrod, verge d'or fall
Taraxacum officinale Dandelion, pissenlit fall
Trifolium procumbens (P) Low Hop Clover, trèfle rampant sum
Trifolium repens White Clover, trèfle blanc fall
Vicia spp. (P) Vetch (on phlox), vesce jargeau sum

 check out links here for some good weed sites



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