Order: Teloschistales       Family: Teloschistaceae Species: Caloplaca flavescens Growth type placodioid (crustose with lobed margins) Photos: On church wall. Macroom, Cork, SW Ireland. Rosettes of long narrow yellow-orange lobes, whitish at the centre which often disintegrates and falls out with age. Numerous orange apothecia with paler margins. No soredia or isidia. Very common throughout Ireland on walls, church memorials and headstones and also on hard calcareous rocks. K+ crimson / purple.

     



Caloplaca flavescens. Macroom, County Cork.