agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, elymus repens, holcus lanatus, lolium perenne, poa trivialis, glyceria maxima, persicaria hydropiper, phalaris arundinacea, alopecurus aequalis, cerastium holosteoides, glechoma hederacea, glyceria notata, myosotis laxa, myosotis scorpioides, persicaria maculosa, ranunculus repens, ranunculus sceleratus, stellaria media, alisma plantago-aquatica