malva pusilla, polygonum aviculare, artemisia annua, capsella bursa-pastoris, convolvulus arvensis, echinochloa crus-galli, eragrostis minor, geranium pusillum, hibiscus trionum, hordeum murinum, lepidium campestre, lepidium draba, lepidium ruderale, lolium perenne, poa annua, setaria pumila, sisymbrium loeselii, tripleurospermum inodorum, urtica urens