xanthium spinosum, lolium perenne, achillea millefolium, cynodon dactylon, datura stramonium, persicaria hydropiper, verbena officinalis, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, erigeron canadensis, hibiscus trionum, leersia oryzoides, lysimachia arvensis, mentha pulegium, polygonum aviculare, portulaca oleracea, rorippa sylvestris