hordeum vulgare, anthemis arvensis, apera spica-venti, holcus mollis, anthoxanthum aristatum, arnoseris minima, centaurea cyanus, capsella bursa-pastoris, elymus repens, erodium cicutarium, myosotis arvensis, rumex acetosella, scleranthus annuus, secale cereale, viola arvensis, tripleurospermum inodorum