tussilago farfara, equisetum arvense, ranunculus repens, achillea millefolium, bidens tripartita, chenopodium album, deschampsia cespitosa, elymus repens, erysimum cheiranthoides, lactuca serriola, lolium multiflorum, melilotus officinalis, mentha arvensis, mentha longifolia, persicaria lapathifolia, persicaria mitis, plantago lanceolata, plantago major, poa annua, rorippa sylvestris, rumex obtusifolius, sonchus oleraceus, trifolium hybridum, trifolium pratense, tripleurospermum inodorum