Circinaria contorta

    Alternative names
    Aspicilia contorta subsp. contorta

    Thallus of scattered to confluent, chalky-grey, more or less rounded, convex areoles, margin of thallus effuse, with dispersed areoles; apothecia one or more per areole.

    Identification difficulty

    Common on base-rich rocks, also as a ‘chewing-gum lichen’ forming circular colonies on pavements.

    When to see it

    All year round.

    UK Status

    Widespread and fairly frequent in Britain.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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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