Caloplaca oasis

    Description

    A yellow crust forming lichen usually with abundant apothecia (0.2-0.4mm) which are orange to orange-brown. The apothecia are usually more obvious than than the thallus.

    Identification difficulty
    Habitat

    On calcareous substrates: limestone, mortar and concrete.

    When to see it

    All year round

    Life History

    Occasionally found parasitic on Verrucaria species.

    VC55 Status

    unknown

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map