urtica urens, lepidium didymum, malva parviflora, erigeron sumatrensis, helminthotheca echioides, lamium amplexicaule, poa annua, rapistrum rugosum, senecio vulgaris, sisymbrium irio, sonchus oleraceus, sonchus tenerrimus, symphyotrichum squamatum, capsella bursa-pastoris