artemisia absinthium, elymus repens, arctium tomentosum, atriplex tatarica, bromus tectorum, capsella bursa-pastoris, cichorium intybus, convolvulus arvensis, daucus carota, erigeron canadensis, lappula squarrosa, lepidium ruderale, lolium perenne, marrubium vulgare, poa angustifolia, polygonum aviculare, sisymbrium loeselii, torilis arvensis, tripleurospermum inodorum