Acrocordia salweyi

    Description

    The thallus is frequently immersed in the substrate. If not it appears off white to light brown. Usually smooth to slightly granular but it may also show cracking that starts at the oldest and thickest part. It is usually dotted with large and flat-topped black spheres.

    Habitat

    Found on soft calcareous rock and mortar, especially on old walls.

    When to see it

    All year round

    UK Status

    Widespread and fairly frequent in Britain.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    UK Map