eleocharis palustris, nostoc commune, alopecurus geniculatus, leersia oryzoides, persicaria hydropiper, alisma plantago-aquatica, bidens tripartita, cyperus fuscus, eleocharis acicularis, equisetum arvense, gnaphalium uliginosum, hygroamblystegium humile, lemna minor, lythrum salicaria, rorippa palustris, spirodela polyrhiza, trifolium repens, bidens radiata, persicaria minor