Lichen on flagstone

Lichen on flagstone

Observation - Lichen on flagstone. Description: Lichen with lecanorine apothecia growing on concrete flagstone. Patches, about 2cm to 3cm in size, of apothecia with brown discs and thick, white margins (like tiny white doughnut rings). C-, K-. Possibly Lecanora semipallida.

Lichen with lecanorine apothecia growing on concrete flagstone. Patches, about 2cm to 3cm in size, of apothecia with brown discs and thick, white margins (like tiny white doughnut rings). C-, K-. Possibly Lecanora semipallida.