malva parviflora, alternanthera caracasana, convolvulus arvensis, hordeum murinum, polygonum aviculare, sisymbrium irio, spergularia bocconei, anacyclus valentinus, bassia scoparia, capsella bursa-pastoris, chenopodium opulifolium, cynodon dactylon, diplotaxis erucoides, lepidium draba, poa annua, polycarpon tetraphyllum, symphyotrichum squamatum