secale cereale, veronica triphyllos, draba verna, myosotis stricta, arenaria serpyllifolia, buglossoides arvensis, centaurea cyanus, gagea pratensis, stellaria media, apera spica-venti, arabidopsis thaliana, chenopodium album, convolvulus arvensis, elymus repens, fallopia convolvulus, myosotis arvensis, persicaria lapathifolia, roemeria argemone, scleranthus annuus, viola arvensis