poa trivialis, glyceria maxima, agrostis stolonifera, holcus lanatus, phalaris arundinacea, myosotis scorpioides, oenanthe fistulosa, physcomitrium pyriforme, alopecurus geniculatus, cardamine pratensis, cerastium holosteoides, glyceria fluitans, juncus effusus, persicaria hydropiper, ranunculus repens, rorippa amphibia, spirodela polyrhiza, stellaria media, ranunculus sceleratus, rumex obtusifolius