Xanthoria calcicola

    Description

    This foliose lichen is similar to Xanthoria parietina but tends to have a more orange hue and more contorted lobes. The centre of the thallus is densely isidiate with knobbly, convex isidia. Apothecia tend to be sparse or absent; when present the discs have roughened margins.

    Habitat

    Calcium-rich stonework or mortar

    When to see it

    All year.

    UK Status

    Common and widespread with a south-eastern bias.

    VC55 Status

    Common

    Leicestershire & Rutland Map

    UK Map