melilotus albus, arrhenatherum elatius, artemisia vulgaris, erigeron annuus, cichorium intybus, dactylis glomerata, lolium perenne, lotus corniculatus, medicago sativa, solidago gigantea, verbascum nigrum, carex praecox, daucus carota, lepidium virginicum, oenothera biennis, pastinaca sativa, phleum pratense, picris hieracioides, plantago lanceolata, poa trivialis, tanacetum vulgare, trifolium repens, verbena officinalis