avena sativa, convolvulus arvensis, cirsium arvense, achillea millefolium, apera spica-venti, artemisia vulgaris, elymus repens, agrostis capillaris, centaurea cyanus, delphinium consolida, erigeron canadensis, fallopia convolvulus, galinsoga parviflora, myosotis arvensis, scleranthus annuus, silene latifolia, trifolium pratense, tripleurospermum inodorum, veronica arvensis, viola arvensis