Foliose lichen on stony ground

Foliose lichen on stony ground

Observation - Foliose lichen on stony ground - UK and Ireland. Description: Foliose lichen with white-edged grey-green lobes growing on stony ground. Centre of thallus crowded with brown discs of lecanorine apothecia. Younger apothecia nearer outer rim of thallus still show thalline margin. Possibly Squamarina cartilaginea.

Foliose lichen with white-edged grey-green lobes growing on stony ground. Centre of thallus crowded with brown discs of lecanorine apothecia. Younger apothecia nearer outer rim of thallus still show thalline margin. Possibly Squamarina cartilaginea.