poa trivialis, agrostis stolonifera, ranunculus repens, alopecurus geniculatus, glyceria fluitans, glyceria maxima, holcus lanatus, phalaris arundinacea, oenanthe fistulosa, persicaria hydropiper, stellaria alsine, cardamine pratensis, cerastium holosteoides, leptobryum pyriforme, poa annua, polygonum aviculare, ranunculus sceleratus, rorippa amphibia, stellaria media, galium palustre, stachys palustris