Weeds of North AmericaHere you can identify weeds and other perennials from North America, including both native species and introduced ones.Achillea millefoliumYarrow, MilfoilAegopodium podagrariaGround ElderAgrostemma githagoCommon Corn-CockleAlliaria petiolataGarlic MustardAmaranthus retroflexusPigweed AmaranthArctium tomentosumWoolly Burdock, Downy BurdockArenaria serpyllifoliaThyme-Leaf SandwortArgentina anserinaSilverweedArmoracia rusticanaHorseradishBidens frondosaDevil's Beggarticks, Common Beggar-TicksBlack Medick, Hop Clover, NonesuchCakile maritimaEuropean SearocketCardamine pratensisCuckoo FlowerCentaurea cyanusCornflower, Bachelor's ButtonCentaurea jaceaBrown KnapweedCerastium arvense ssp. arvenseField Mouse-Ear, Field ChickweedChelidonium majusGreater CelandineCichorium intybusChicory, Coffee ChicoryClinopodium vulgareWild Basil, DogmintColtsfootConyza canadensisCanadian Fleabane, Canadian HorseweedEpilobium angustifoliumFireweedErigeron annuusDaisy FleabaneEuphorbia maculataSpotted Spurge, Prostrate SpurgeEuphorbia peplusPetty Spurge, Radium PlantGarlic Mustard, Jack-By-The-HedgeAlliaria petiolataGeranium rotundifoliumRound-Leaved CranesbillGopher Spurge, Caper Spurge, Mole PlantHelminthotheca echioidesBristly OxtongueHonckenya peploidesSea Sandwort, Seabeach SandwortHypochaeris radicataCatsear, Cat's EarImpatiens noli-tangereTouch-me-not BalsamIndian Lettuce, Miner’s LettuceInula britannicaBritish YellowheadIsatis tinctoriaDyer's Woad, WoadJacobaea vulgarisRagwortJacobaea vulgaris ssp. dunensisRagwortLactuca tataricaBlue LettuceManyseed GoosefootLipandra polyspermaMatricaria discoideaPineappleweedMentha aquaticaWater MintMentha longifoliaHorse Mint, Silver MintOenothera biennisCommon Evening-PrimrosePapaver argemonePrickly Poppy, Long Pricklyhead PoppyPapaver dubiumLong-Headed PoppyParietaria judaicaSpreading Pellitory, Pellitory of the WallPlantago majorBroadleaf PlantainPlantago maritimaSeaside Plantain, Goose TonguePolygonum aviculareCommon Knotgrass, Common KnodweedPrenanthes purpureaRattlesnake RootRanunculus acrisButtercupRaphanus raphanistrumWild Radish, Sea RadishRorippa austriacaAustrian YellowcressSanguisorba officinalisGreat BurnetSaxifraga tridactylitesRue-Leaved SaxifrageScutellaria galericulataHooded SkullcapSea Mayweed, Coastal Scentless MayweedTripleurospermum inodorumSilene flos-cuculiRagged-Robin, Meadow CampionSolidago canadensisCanada GoldenrotTanacetum vulgareTansyTragopogon pratensisGoat's-Beard, Meadow Goat's-BeardUrtica dioicaCommon Nettle, Stinging NettleUrtica urensDwarf Nettle, Small NettleVerbascum thapsusGreat Mullein, Common MulleinVicia sepiumBush Vetch, Hedge VetchVincetoxicum hirundinariaWhite Swallow-Wort, SwallowwortWood Avens, Herb Bennet, Colewort
