echinochloa crus-galli, persicaria hydropiper, persicaria lapathifolia, phalaris arundinacea, rorippa amphibia, salix purpurea, urtica dioica, agrostis stolonifera, artemisia vulgaris, bidens frondosa, lipandra polysperma, rorippa palustris, scrophularia nodosa, stellaria aquatica, amaranthus retroflexus, gnaphalium uliginosum, rumex maritimus, symphytum officinale, veronica anagallis-aquatica