triticum aestivum, centaurea cyanus, equisetum arvense, myosotis arvensis, scleranthus annuus, sonchus arvensis, arenaria serpyllifolia, capsella bursa-pastoris, cirsium arvense, fallopia convolvulus, geranium pusillum, persicaria maculosa, polygonum aviculare, spergula arvensis, tripleurospermum inodorum, viola arvensis, rumex crispus