hordeum murinum, bromus diandrus, convolvulus arvensis, lolium rigidum, malva sylvestris, anacyclus clavatus, anthemis arvensis, bromus hordeaceus, bromus rubens, bromus tectorum, lactuca serriola, malva neglecta, papaver rhoeas, matricaria discoidea, plantago lanceolata, poa annua, polygonum aviculare, senecio vulgaris, sisymbrium officinale, sonchus oleraceus, stellaria media