secale cereale, setaria viridis, arnoseris minima, fallopia convolvulus, scleranthus polycarpos, anthoxanthum aristatum, apera spica-venti, buglossoides arvensis, centaurea cyanus, chenopodium album, draba verna, elymus repens, myosotis stricta, papaver dubium, roemeria argemone, scleranthus annuus, spergula arvensis, veronica dillenii, viola arvensis, erigeron canadensis, rumex acetosella