agrostis stolonifera, poa trivialis, alopecurus geniculatus, oenanthe fistulosa, glyceria maxima, cardamine pratensis, glyceria fluitans, ranunculus repens, stellaria alsine, juncus articulatus, oenanthe aquatica, poa annua, ranunculus sceleratus, spirodela polyrhiza, trifolium repens, myosotis scorpioides, phalaris arundinacea