carex melanostachya, carex acutiformis, alopecurus arundinaceus, alopecurus pratensis, bidens cernuus, bolboschoenus maritimus, carex buekii, carex riparia, carex vulpina, echinochloa crus-galli, glyceria maxima, juncus inflexus, lythrum salicaria, mentha aquatica, phalaris arundinacea, phragmites australis, poa trivialis, potentilla reptans, sparganium erectum, veronica anagalloides