plantago arenaria, artemisia vulgaris, erigeron canadensis, chenopodium album, amaranthus retroflexus, digitaria sanguinalis, poa compressa, achillea millefolium, berteroa incana, calamagrostis epigejos, capsella bursa-pastoris, centaurea stoebe, convolvulus arvensis, senecio viscosus, setaria pumila, sisymbrium altissimum, tripleurospermum inodorum