centaurea cyanus, persicaria hydropiper, stellaria media, myosotis arvensis, polygonum aviculare, veronica arvensis, agrostis stolonifera, aphanes australis, chenopodium album, fallopia convolvulus, mentha arvensis, vicia hirsuta, vicia sativa, viola arvensis, apera spica-venti, elymus repens, scleranthus annuus