glyceria maxima, phalaris arundinacea, agrostis stolonifera, glechoma hederacea, holcus lanatus, elymus repens, poa trivialis, alopecurus pratensis, alopecurus geniculatus, dactylis glomerata, mentha aquatica, myosotis scorpioides, persicaria amphibia, poa pratensis, ranunculus repens, rorippa amphibia, scutellaria galericulata, stellaria alsine, persicaria hydropiper, sparganium erectum