hordeum vulgare, trifolium arvense, setaria pumila, avena fatua, centaurea cyanus, daucus carota, erodium cicutarium, fallopia convolvulus, galinsoga parviflora, lepidium draba, lysimachia arvensis, matricaria chamomilla, medicago lupulina, myosotis ramosissima, scleranthus annuus, trifolium campestre, trifolium repens, veronica persica, vicia sativa, viola arvensis, artemisia vulgaris, cirsium arvense, silene noctiflora, sonchus oleraceus, stachys annua