tussilago farfara, lolium perenne, chenopodium album, persicaria lapathifolia, arabidopsis arenosa, artemisia vulgaris, rumex acetosella, viola arvensis, agrostis capillaris, elymus repens, erysimum cheiranthoides, fallopia convolvulus, galeopsis tetrahit, poa compressa, ranunculus repens, sisymbrium officinale, tripleurospermum inodorum, atriplex patula, senecio viscosus