anthemis arvensis, lolium rigidum, pilosella piloselloides, trifolium squarrosum, vicia lutea, avena barbata, convolvulus arvensis, galium aparine, knautia integrifolia, legousia speculum-veneris, papaver rhoeas, poa pratensis, ranunculus arvensis, rumex crispus, veronica persica, daucus carota, rapistrum rugosum, scandix pecten-veneris, viola arvensis