Foliose lichen on wooden fence

Foliose lichen on wooden fence

Observation - Foliose lichen on wooden fence. Description: Foliose lichen with quite large flattened, greyish lobes, dark brown lower surface and net-like white lines over the top surface. On sloping east-facing wooden fence rail.

Foliose lichen with quite large flattened, greyish lobes, dark brown lower surface and net-like white lines over the top surface. On sloping east-facing wooden fence rail.