Rhizocarpon effiguratum: 3 photos

Rhizocarpon effiguratum - Austria - GZU - SX15190 - © ET - Full size

Rhizocarpon effiguratum - Norway, Buskerud - O-L-38144 - © ET - Full size

Rhizocarpon effiguratum - Norway, Oppland - O-L-38145 - © ET - Full size