tussilago farfara, chenopodium album, holcus lanatus, lycopus europaeus, poa annua, rumex obtusifolius, senecio squalidus, senecio vulgaris, sesleria caerulea, solanum nigrum, sonchus arvensis, sonchus asper, vicia hirsuta, aethusa cynapium, agrostis stolonifera, elymus repens, euphorbia peplus, lolium perenne, rumex acetosella, scleranthus annuus, sisymbrium officinale, stellaria media, tripleurospermum inodorum