hordeum vulgare, kickxia elatine, cirsium arvense, linaria vulgaris, stachys annua, lysimachia arvensis, mercurialis annua, oxalis stricta, bryum argenteum, erigeron canadensis, euphorbia falcata, setaria pumila, silene noctiflora, tripleurospermum inodorum, arrhenatherum elatius, artemisia vulgaris, atriplex patula, avena fatua, carduus acanthoides, chaenorhinum minus, convolvulus arvensis, elymus repens, erigeron annuus, erucastrum gallicum, euphorbia exigua, kickxia spuria, lathyrus tuberosus, misopates orontium, panicum miliaceum, papaver rhoeas, reseda lutea, sinapis arvensis, sonchus arvensis, sonchus oleraceus, stellaria media, veronica polita, viola arvensis, verbena officinalis