pulicaria vulgaris, echinochloa crus-galli, agrostis stolonifera, atriplex prostrata, bidens frondosa, chenopodium album, gnaphalium uliginosum, juncus bufonius, mentha aquatica, persicaria amphibia, plantago uliginosa, rorippa amphibia, rorippa islandica, rorippa sylvestris, rumex maritimus, salix triandra, tripleurospermum inodorum