elymus repens, erigeron canadensis, fallopia convolvulus, veronica verna, viola arvensis, apera spica-venti, arenaria serpyllifolia, chenopodium album, draba verna, myosotis arvensis, veronica arvensis, vicia hirsuta, vicia sativa, anthemis arvensis, cirsium vulgare, crepis tectorum, filago arvensis, papaver dubium, scleranthus annuus