secale cereale, apera spica-venti, myosotis arvensis, argentina anserina, centaurea cyanus, cirsium arvense, draba verna, gnaphalium uliginosum, lamium purpureum, mentha arvensis, myosotis stricta, myosurus minimus, persicaria maculosa, ranunculus repens, roemeria argemone, rumex acetosella, scleranthus annuus, setaria pumila, stellaria media, veronica arvensis, veronica triphyllos, vicia hirsuta, viola arvensis, papaver rhoeas