xanthium strumarium, polygonum aviculare, amaranthus crispus, amaranthus retroflexus, artemisia vulgaris, atriplex patula, chenopodium album, cichorium intybus, echinochloa crus-galli, elymus repens, lotus tenuis, medicago lupulina, melilotus officinalis, poa pratensis, poa trivialis, potentilla reptans