text: hordeum murinum, lolium perenne, anthemis arvensis, avena sterilis, bromus diandrus, convolvulus arvensis, dactylis glomerata, sinapis arvensis, avena barbata, centaurea calcitrapa, cirsium arvense, erodium ciconium, filago pyramidata, helminthotheca echioides, malva neglecta, papaver rhoeas, scorzonera laciniata