echinochloa crus-galli, oryza sativa, persicaria hydropiper, agrostis stolonifera, alisma plantago-aquatica, echinochloa oryzoides, leersia oryzoides, lemna minor, linum bienne, linum maritimum, lythrum salicaria, persicaria maculosa, persicaria mitis, plantago major, polypogon monspeliensis, schoenoplectiella mucronata, symphyotrichum squamatum, typha angustifolia