agrostis stolonifera, poa trivialis, glyceria fluitans, glyceria maxima, holcus lanatus, lolium perenne, phleum pratense, ranunculus repens, trifolium repens, alopecurus geniculatus, berula erecta, eleocharis palustris, juncus articulatus, ranunculus sceleratus, cerastium holosteoides, mentha aquatica, persicaria mitis, triglochin palustris