Caloplaca flavescens

Caloplaca flavescens

Observation - Caloplaca flavescens - UK and Ireland. Description: On wall of an old packhorse bridge. Thought it was just Xanthoria parietina at first but looking closer it might be something else.

On wall of an old packhorse bridge. Thought it was just Xanthoria parietina at first but looking closer it might be something else.