Caloplaca citrina agg.


    A bright golden yellow or chrome yellow crust forming lichen. The true identity of British "citrina" is disputed at present and we have therefore treated this species as an aggregate.

    Identification difficulty

    On rocks, walls and other artificial substrates.

    When to see it

    All year round.

    UK Status

    Apparently common throughout Britain, including urban areas.

    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