Protoblastenia rupestris

    Description

    Thallus thin, greenish, pale to orange-grey, or grey-brown, areolate; apothecia pale to deep orange, often strongly convex, not set in pits.

    Habitat

    On chalk and limestone rocks, concrete, mortar of old walls and similar calcareous substrates.

    When to see it

    All year round.

    UK Status

    Widespread and often common in Britain.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    UK Map