secale cereale, apera spica-venti, aphanes arvensis, centaurea cyanus, myosotis stricta, scleranthus annuus, stellaria media, buglossoides arvensis, roemeria argemone, rumex acetosella, viola arvensis, capsella bursa-pastoris, convolvulus arvensis, poa annua, polygonum aviculare, tripleurospermum inodorum, vicia hirsuta, vicia sativa