triticum aestivum, apera spica-venti, myosotis ramosissima, tripleurospermum inodorum, centaurea cyanus, convolvulus arvensis, equisetum arvense, erysimum cheiranthoides, galium aparine, hordeum vulgare, papaver rhoeas, poa trivialis, rorippa islandica, rumex acetosella, vicia villosa, prunus spinosa