trifolium hybridum, agrostis stolonifera, argentina anserina, eleocharis acicularis, plantago uliginosa, juncus compressus, bidens tripartita, eleocharis palustris, gnaphalium uliginosum, carex acuta, echinochloa crus-galli, equisetum arvense, nostoc commune, persicaria hydropiper, alnus glutinosa