triticum aestivum, centaurea cyanus, tripleurospermum inodorum, convolvulus arvensis, avena sativa, sonchus asper, viola arvensis, apera spica-venti, ceratodon purpureus, chenopodium album, equisetum arvense, gemmabryum caespiticium, lysimachia arvensis, myosotis arvensis, oxalis stricta, oxyrrhynchium hians, persicaria lapathifolia, polygonum aviculare, ranunculus arvensis, ranunculus repens, rumex crispus, scleranthus annuus, sherardia arvensis, sinapis arvensis, spergula arvensis, trifolium arvense, trifolium campestre, valerianella rimosa, veronica arvensis, veronica persica, vicia hirsuta, vicia sativa