secale cereale, scleranthus annuus, veronica arvensis, anthemis arvensis, centaurea cyanus, apera spica-venti, arabidopsis thaliana, capsella bursa-pastoris, cerastium holosteoides, myosotis arvensis, myosotis sicula, viola arvensis, arenaria serpyllifolia, draba verna, fallopia convolvulus, polygonum aviculare, raphanus raphanistrum