secale cereale, centaurea cyanus, fallopia convolvulus, scleranthus annuus, agrostemma githago, anthemis arvensis, apera spica-venti, arenaria serpyllifolia, bromus secalinus, chenopodium album, digitaria ischaemum, draba verna, knautia arvensis, myosotis arvensis, potentilla argentea, setaria viridis, veronica arvensis, vicia tetrasperma, vicia villosa, viola arvensis