glyceria maxima, phalaris arundinacea, agrostis stolonifera, holcus lanatus, poa trivialis, elymus repens, leptobryum pyriforme, physcomitrium pyriforme, alopecurus geniculatus, glyceria fluitans, carex hirta, equisetum fluviatile, glechoma hederacea, juncus articulatus, juncus effusus, persicaria hydropiper, phleum pratense, scutellaria galericulata, rumex conglomeratus, sparganium erectum