agrostis stolonifera, glyceria maxima, phalaris arundinacea, alopecurus pratensis, elymus repens, holcus lanatus, sparganium erectum, glyceria fluitans, arrhenatherum elatius, bidens tripartita, equisetum fluviatile, glechoma hederacea, juncus effusus, persicaria amphibia, urtica dioica, rumex hydrolapathum