setaria pumila, tripleurospermum inodorum, elymus repens, trifolium pratense, achillea millefolium, apera spica-venti, aphanes arvensis, artemisia vulgaris, centaurea cyanus, echinochloa crus-galli, erigeron canadensis, fallopia convolvulus, geranium pusillum, hypericum perforatum, lactuca serriola, leucanthemum vulgare, lolium perenne, phleum pratense, plantago major, trifolium hybridum, veronica arvensis, vicia cracca