arabidopsis thaliana, poa annua, veronica arvensis, viola arvensis, achillea millefolium, centaurea cyanus, chenopodium album, galium aparine, juncus bufonius, lapsana communis, persicaria hydropiper, raphanus raphanistrum, rumex crispus, scleranthus annuus, spergula arvensis, tripleurospermum inodorum, vicia hirsuta, cerastium holosteoides, persicaria lapathifolia, persicaria maculosa, polygonum aviculare, ranunculus repens, rumex acetosella