hordeum vulgare, hypecoum procumbens, lolium rigidum, coronilla scorpioides, festuca lachenalii, lathyrus aphaca, viola arvensis, avena barbata, bromus rigidus, cirsium arvense, convolvulus arvensis, fumaria officinalis, galium aparine, herniaria cinerea, papaver rhoeas, polygonum aviculare, triticum aestivum, veronica arvensis, vicia sativa