erigeron canadensis, tripleurospermum inodorum, setaria pumila, chenopodium album, echinochloa crus-galli, atriplex patula, cirsium arvense, equisetum arvense, lipandra polysperma, plantago major, veronica anagalloides, arctium lappa, artemisia vulgaris, cyclachaena xanthiifolia, lactuca serriola, persicaria lapathifolia, sonchus asper, symphyotrichum lanceolatum, veronica persica, carduus acanthoides, verbascum blattaria