chenopodiastrum hybridum, convolvulus arvensis, hordeum vulgare, lysimachia arvensis, papaver rhoeas, viola arvensis, artemisia vulgaris, euphorbia exigua, euphorbia falcata, fallopia convolvulus, galinsoga parviflora, lactuca serriola, lathyrus tuberosus, lysimachia foemina, silene noctiflora, sinapis arvensis, stachys annua, descurainia sophia, erigeron canadensis