secale cereale, apera spica-venti, arnoseris minima, anthoxanthum aristatum, centaurea cyanus, scleranthus annuus, teesdalia nudicaulis, veronica dillenii, viola arvensis, artemisia vulgaris, capsella bursa-pastoris, erigeron canadensis, fallopia convolvulus, myosotis arvensis, pilosella officinarum, stellaria media, vicia sativa