eleocharis ovata, eleocharis palustris, oenanthe aquatica, persicaria maculosa, carex bohemica, lindernia procumbens, alisma plantago-aquatica, bidens tripartita, echinochloa crus-galli, gnaphalium uliginosum, hottonia palustris, sagittaria sagittifolia, lythrum salicaria, phragmites australis