lactuca sativa, poa annua, polypogon monspeliensis, chenopodiastrum murale, juncus bufonius, lepidium didymum, oxybasis glauca, polygonum aviculare, ranunculus sceleratus, sonchus oleraceus, symphyotrichum squamatum, helminthotheca echioides, melilotus indicus, persicaria lapathifolia