matricaria chamomilla, lepidium coronopus, lolium perenne, poa annua, polygonum aviculare, verbena officinalis, capsella bursa-pastoris, lepidium virginicum, plantago major, poa trivialis, rorippa sylvestris, artemisia absinthium, daucus carota, medicago lupulina, plantago lanceolata, rumex conglomeratus, trisetum flavescens, veronica persica