agrostis stolonifera, glyceria fluitans, alopecurus geniculatus, eleocharis palustris, holcus lanatus, poa trivialis, bolboschoenus maritimus, carex hirta, galium palustre, juncus articulatus, ranunculus repens, alisma plantago-aquatica, argentina anserina, mentha aquatica, persicaria hydropiper, poa annua, cirsium arvense