agrostis stolonifera, glyceria fluitans, poa trivialis, glyceria maxima, lolium perenne, stellaria alsine, trifolium repens, ceratodon purpureus, holcus lanatus, juncus articulatus, phalaris arundinacea, physcomitrium pyriforme, juncus effusus, myosotis scorpioides, ranunculus repens, ranunculus sceleratus, rorippa amphibia, spirodela polyrhiza, persicaria hydropiper