capsella bursa-pastoris, hordeum murinum, lolium perenne, achillea millefolium, artemisia vulgaris, bromus sterilis, chenopodium album, cirsium arvense, convolvulus arvensis, crepis biennis, dactylis glomerata, lepidium ruderale, matricaria discoidea, medicago sativa, poa annua, thlaspi arvense