secale cereale, tripleurospermum inodorum, cirsium arvense, spergularia rubra, achillea millefolium, agrostemma githago, apera spica-venti, chenopodium album, convolvulus arvensis, equisetum arvense, matricaria discoidea, myosotis arvensis, myosotis stricta, poa annua, sinapis arvensis, veronica arvensis, argentina anserina