helosciadium nodiflorum, mentha aquatica, agrostis stolonifera, galium palustre, menyanthes trifoliata, juncus articulatus, lemna minor, veronica scutellata, chara vulgaris, epipactis palustris, equisetum fluviatile, hydrocotyle vulgaris, leptodictyum riparium, nasturtium officinale, typha latifolia