Opegrapha calcarea

    Description

    Very variable, thallus thin, white or grey to pale pink or rust, usually more or less immersed in the substrate surface; fruit bodies irregularly nodular to slit-like, branched or stellate, lirellate apothecia. Part of a difficult group commonly requiring microscopic examination of the spores for accurate identification.

    Habitat

    Often on limestone rocks or mortar, but can be found on other types of rock.

    When to see it

    All year round.

    UK Status

    Widespread in Britain, particularly common in coastal areas.

    VC55 Status

    Status in Leicestershire and Rutland not known.

    Leicestershire & Rutland Map

    UK Map