myriophyllum spicatum, persicaria amphibia, schoenoplectus tabernaemontani, chara aspera, chara hispida, potamogeton natans, stuckenia pectinata, chara contraria, leptodictyum riparium, potamogeton berchtoldii, ranunculus aquatilis, chara vulgaris, menyanthes trifoliata, sparganium erectum