secale cereale, apera spica-venti, viola arvensis, agrostemma githago, anthemis arvensis, arnoseris minima, buglossoides arvensis, capsella bursa-pastoris, centaurea cyanus, equisetum arvense, fallopia convolvulus, polygonum aviculare, scleranthus annuus, vicia sativa, odontites vernus, papaver rhoeas