arnoseris minima, rumex acetosella, anthoxanthum aristatum, apera spica-venti, centaurea cyanus, digitaria ischaemum, fallopia convolvulus, holcus mollis, papaver dubium, persicaria amphibia, scleranthus annuus, spergula arvensis, teesdalia nudicaulis, trifolium repens, viola arvensis, achillea ptarmica, bidens tripartita, mentha arvensis, tripleurospermum inodorum, veronica arvensis, vicia hirsuta, vicia sativa