poa trivialis, alopecurus geniculatus, glyceria maxima, stellaria alsine, persicaria hydropiper, trifolium repens, agrostis stolonifera, elymus repens, oenanthe fistulosa, ranunculus repens, stellaria media, equisetum fluviatile, glyceria fluitans, holcus lanatus, myosotis scorpioides, phalaris arundinacea, ranunculus sceleratus, bidens cernuus, bidens tripartita, persicaria amphibia, rorippa amphibia