descurainia sophia, artemisia absinthium, artemisia vulgaris, chenopodium album, sisymbrium officinale, achillea millefolium, argentina anserina, atriplex patula, bromus hordeaceus, cirsium arvense, cirsium vulgare, elymus repens, erigeron canadensis, lolium perenne, polygonum aviculare, sisymbrium orientale, urtica dioica