menyanthes trifoliata, helosciadium nodiflorum, agrostis stolonifera, carex nigra, equisetum fluviatile, hippuris vulgaris, juncus articulatus, persicaria amphibia, bidens cernuus, caltha palustris, hydrocotyle vulgaris, lemna minor, lythrum salicaria, nasturtium officinale, veronica scutellata