glyceria fluitans, agrostis stolonifera, lemna trisulca, catabrosa aquatica, spirodela polyrhiza, holcus lanatus, alopecurus geniculatus, bidens cernuus, elodea nuttallii, oenanthe aquatica, persicaria hydropiper, phalaris arundinacea, ranunculus repens, rorippa amphibia, stellaria alsine, cardamine pratensis, juncus effusus, ranunculus flammula, ranunculus sceleratus