glyceria fluitans, poa trivialis, agrostis stolonifera, ranunculus repens, holcus lanatus, alopecurus geniculatus, azolla filiculoides, stellaria media, cerastium holosteoides, cirsium arvense, equisetum fluviatile, galium palustre, glyceria maxima, leptobryum pyriforme, myosotis scorpioides, persicaria amphibia, rorippa amphibia, stellaria alsine, trifolium repens, juncus articulatus