Description: One of the commonest of the pondweeds. It grows in still freshwater, rooted in the bottom mud. Submerged leaves are grass-like, but higher up the shoot it produces oval floating leaves about four inches long.

All names: Potamogeton natans L.; Potamogeton hibernicus (Hagstr.) Druce

Distribution Map from NBN: Potamogeton natans at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Potamogeton natans at iNaturalist World Species Observations database.