Verrucaria viridula


    Variable. Large perithecia are half to fully immersed in +/- areolate pale brown thallus. Thallus can also be whitish, grey or green-grey, sometimes +/- immersed and appearing as brown flecks on substrate.

    Identification difficulty

    Found in man-made and natural habitats on calcareous rocks, limestone, mudstone, mortar and bricks.

    When to see it

    All year round.

    UK Status

    Widespread and quite frequent in Britain.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map