aster amellus, echinochloa crus-galli, setaria pumila, erigeron annuus, erigeron canadensis, galinsoga parviflora, persicaria lapathifolia, sonchus asper, bidens tripartita, chenopodium album, filipendula vulgaris, lysimachia arvensis, plantago major, polygala comosa, rumex acetosa, rumex crispus, rumex obtusifolius, trifolium campestre, trifolium pratense, verbena officinalis