atriplex sagittata, chenopodium album, cirsium arvense, lolium perenne, artemisia vulgaris, atriplex prostrata, atriplex tatarica, bromus tectorum, capsella bursa-pastoris, erigeron canadensis, poa palustris, tripleurospermum inodorum, arctium lappa, bromus sterilis, carduus acanthoides, convolvulus arvensis, crepis biennis, daucus carota, erysimum cheiranthoides, euphorbia peplus, fallopia convolvulus, hordeum murinum, lactuca serriola, lepidium draba, lysimachia foemina, melilotus albus, mercurialis annua, plantago lanceolata, plantago major, poa pratensis, saponaria officinalis, setaria verticillata, solidago canadensis, sonchus oleraceus, stellaria media, thlaspi arvense, trifolium pratense, urtica dioica