oryza sativa, poa annua, lepidium didymum, plantago uliginosa, polypogon monspeliensis, sonchus oleraceus, capsella bursa-pastoris, chenopodiastrum murale, erigeron sumatrensis, juncus bufonius, ranunculus sceleratus, samolus valerandi, sonchus tenerrimus, symphyotrichum squamatum, senecio vulgaris, spergularia marina