cynodon dactylon, cyperus rotundus, portulaca oleracea, amaranthus albus, echinochloa crus-galli, piptatherum miliaceum, poa annua, setaria verticillata, sonchus oleraceus, bidens tripartita, convolvulus arvensis, digitaria sanguinalis, erigeron canadensis, heliotropium europaeum, mercurialis annua, parietaria judaica, plantago major, polygonum aviculare, solanum nigrum