hordeum murinum, bromus tectorum, bromus hordeaceus, matricaria chamomilla, sisymbrium orientale, artemisia campestris, capsella bursa-pastoris, carduus acicularis, cichorium intybus, crepis setosa, geranium dissectum, onopordum acanthium, papaver rhoeas, trifolium nigrescens, lactuca serriola, marrubium peregrinum, trifolium cherleri