Slideshow image
Arthothelium orbilliferum (Almq.) Hasse  
Family: Arthoniaceae
[Arthonia anastomosans Nyl.,  more]
Arthothelium orbilliferum image
Arthothelium orbilliferum image
Jason Dart  
Arthothelium orbilliferum image
Arthothelium orbilliferum image
Jason Dart  
Arthothelium orbilliferum image
Jason Dart  
Arthothelium orbilliferum image
Jason Dart