agrostis stolonifera, persicaria hydropiper, glyceria maxima, holcus mollis, poa trivialis, alopecurus geniculatus, glyceria fluitans, catabrosa aquatica, elymus repens, juncus articulatus, lolium perenne, persicaria amphibia, phalaris arundinacea, polygonum aviculare, ranunculus repens, spirodela polyrhiza, stellaria alsine, stellaria media, trifolium repens, cirsium arvense, oenanthe aquatica