polygonum aviculare, lolium perenne, matricaria chamomilla, cichorium intybus, digitaria sanguinalis, echinochloa crus-galli, lotus corniculatus, persicaria mitis, setaria pumila, xanthium strumarium, trifolium michelianum, capsella bursa-pastoris, daucus carota, galeopsis ladanum, viola tricolor