artemisia vulgaris, avena sativa, hordeum distichon, setaria pumila, achillea millefolium, buglossoides arvensis, centaurea cyanus, chenopodium album, elymus repens, fallopia convolvulus, lycopsis arvensis, polygonum aviculare, silene vulgaris, sinapis arvensis, trifolium pratense, anchusa officinalis, medicago lupulina, sonchus arvensis