hordeum distichon, veronica persica, euphorbia helioscopia, fallopia convolvulus, geranium pusillum, lysimachia arvensis, matricaria chamomilla, poa annua, stellaria media, thlaspi arvense, veronica arvensis, viola arvensis, achillea millefolium, avena sativa, buglossoides arvensis, cirsium arvense, fumaria officinalis, matricaria discoidea, myosotis arvensis, papaver rhoeas, roemeria argemone, rumex crispus, sherardia arvensis, tripleurospermum inodorum