alopecurus aequalis, poa trivialis, glyceria notata, poa palustris, cerastium holosteoides, drepanocladus polycarpos, holcus lanatus, leptodictyum riparium, lycopus europaeus, mentha aquatica, myosotis scorpioides, plantago uliginosa, ranunculus repens, rorippa islandica, rumex acetosa, stellaria palustris, persicaria amphibia