poa trivialis, eleocharis palustris, juncus articulatus, agrostis stolonifera, mentha aquatica, lolium perenne, myosotis scorpioides, phalaris arundinacea, poa pratensis, alopecurus geniculatus, berula erecta, glyceria fluitans, helosciadium nodiflorum, juncus compressus, oenanthe fistulosa, trifolium repens, triglochin palustris, bolboschoenus maritimus, butomus umbellatus, carex hirta, glyceria maxima, juncus effusus, ranunculus repens, ranunculus sceleratus, rumex hydrolapathum, iris pseudacorus