erigeron sumatrensis, dysphania ambrosioides, scrophularia auriculata, symphyotrichum squamatum, amaranthus blitum, coleostephus myconis, echinochloa crus-galli, paspalum distichum, polypogon monspeliensis, cirsium arvense, cirsium creticum, cyperus fuscus, erigeron canadensis, persicaria lapathifolia, phalaris arundinacea, phragmites australis, urtica dioica