centaurea cyanus, poa annua, tripleurospermum inodorum, apera spica-venti, aphanes arvensis, cirsium arvense, fallopia convolvulus, papaver dubium, stellaria media, thlaspi arvense, veronica arvensis, veronica hederifolia, vicia hirsuta, achillea millefolium, arenaria serpyllifolia, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, equisetum arvense, lycopsis arvensis, matricaria chamomilla, mentha arvensis, myosotis arvensis, papaver rhoeas, scleranthus annuus, spergula arvensis, tussilago farfara, vicia sativa, viola arvensis