bolboschoenus laticarpus, persicaria lapathifolia, cyperus fuscus, gnaphalium uliginosum, limosella aquatica, bidens radiata, bidens tripartita, butomus umbellatus, echinochloa crus-galli, oxybasis rubra, rorippa palustris, sporobolus alopecuroides, xanthium strumarium