Perfoliate Pondweed - Potamogeton perfoliatus

    Description

    All leaves submerged, dark green, oval to rounded, clasping the stem with heart shaped bases, minutely toothed at least when young.

    Identification difficulty
    Habitat

    Rivers, canals, reservoirs - less frequently in ponds.

    When to see it

    June to September.

    Life History

    Perennial.

    UK Status

    Widespread and fairly frequent in Britain.

    VC55 Status

    Locally fairly frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 50 of the 617 tetrads.

    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map