secale cereale, roemeria argemone, veronica triphyllos, buglossoides arvensis, viola arvensis, capsella bursa-pastoris, centaurea cyanus, draba verna, equisetum arvense, erigeron canadensis, erodium cicutarium, fallopia convolvulus, myosotis stricta, rumex acetosella, setaria pumila, setaria viridis, spergula arvensis, stellaria media