Phaeophyscia orbicularis


    The thallus is variable in colour, from pale grey to almost black, and when wet paler specimens can be vivid green. It has orbicular growth, up to 3cm. The lobes are long and palmately divided at the tips. Soralia often form a darker centre and can be green to black in colour.

    Identification difficulty

    On bark, walls, wood and concrete.

    When to see it

    All year round.

    Life History

    An indicator of nitrogen enrichment.

    UK Status

    Common and widespread in Britain.

    VC55 Status

    Common in Leicestershire and Rutland.

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    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map