artemisia vulgaris, agrostis stolonifera, chenopodium album, lepidium virginicum, persicaria maculosa, tanacetum vulgare, achillea millefolium, amaranthus cruentus, clinopodium vulgare, dactylis glomerata, daucus carota, digitaria sanguinalis, echinochloa crus-galli, erigeron canadensis, holcus lanatus, hypericum perforatum, leucanthemum vulgare, lolium perenne, medicago lupulina, plantago lanceolata, poa compressa, raphanus raphanistrum, rorippa anceps, rumex acetosella, rumex obtusifolius, saponaria officinalis, solidago gigantea, xanthium orientale