The most important annual broadleaf weeds are Amaranthus retroflexus (pigweed), Chenopodium album (common lambsquarters), Mercurialis annua (annual mercury), Galium aparine (cleavers), Geranium spp. (Geranium), Lamium pupureum (red deadnettle), Matricaria spp. (mayweeds), Papaver rhoeas (field poppy), Polygonum spp. (knotweeds), Capsella bursa pastoris (Shepherd's Purse), Sinapis arvensis (Charlock), Solanum nigrum (black nightshade), Stellaria media (chickweed), Veronica spp. (speedwells) and Viola arvensis (field pansy).
Yksivuotisista leveälehtisistä rikkakasveista tärkeimmät ovat Amaranthus retroflexus (revonhäntä), Chenopodium album (jauhosavikka), Mercurialis annua (rikkasinijuuri), Galium aparine (peltomatara), Geranium spp. (kurjenpolvet), Lamium purpureum (punapeippi), Matricaria spp. (sauniot), Papaver rhoeas (unikko), Polygonum spp. (tattaret), Capsella bursa pastoris (lutukka), Sinapis arvensis (rikkasinappi), Solanum nigrum (mustakoiso), Stellaria media (pihatähtimö), Veronica spp. (tädykkeet) ja Viola arvensis (pelto-orvokki).EurLex-2 EurLex-2