erigeron canadensis, artemisia vulgaris, sisymbrium loeselii, tripleurospermum inodorum, chenopodium album, artemisia tournefortiana, atriplex sagittata, calamagrostis epigejos, lolium perenne, melilotus officinalis, achillea millefolium, amaranthus retroflexus, arctium lappa, atriplex oblongifolia, carduus acanthoides, cirsium arvense, plantago major, polygonum aviculare, sisymbrium altissimum, solidago canadensis, sonchus oleraceus, urtica dioica