sclerochloa dura, matricaria discoidea, polygonum aviculare, descurainia sophia, bromus hordeaceus, geranium columbinum, lolium perenne, poa annua, stellaria media, tripleurospermum inodorum, artemisia vulgaris, capsella bursa-pastoris, convolvulus arvensis, lepidium coronopus, lysimachia arvensis, reseda luteola