text: bromus sterilis, atriplex sagittata, fallopia convolvulus, hordeum murinum, polygonum aviculare, salsola tragus, centaurea diffusa, convolvulus arvensis, cynanchum acutum, lactuca serriola, sonchus oleraceus, xanthium orientale, descurainia sophia, lepidium perfoliatum, lepidium ruderale, tragopogon dubius