secale cereale, anthemis arvensis, apera spica-venti, centaurea cyanus, galeopsis tetrahit, myosotis arvensis, roemeria argemone, scleranthus annuus, stellaria media, tripleurospermum inodorum, arabidopsis thaliana, capsella bursa-pastoris, cerastium arvense, cirsium arvense, elymus repens, fallopia convolvulus, matricaria discoidea, poa annua, polygonum aviculare, rumex acetosella, trifolium arvense, tussilago farfara, vicia hirsuta, vicia villosa, viola arvensis