juncus articulatus, agrostis stolonifera, juncus effusus, lemna minor, persicaria amphibia, alopecurus geniculatus, argentina anserina, glyceria declinata, leptodictyum riparium, poa trivialis, carex hirta, holcus lanatus, phalaris arundinacea, ranunculus sceleratus, rumex maritimus, trifolium repens, cerastium holosteoides