Rhizocarpon disporum (Naeg. ex Hepp) Müll.Arg.  
Family: Rhizocarpaceae
[Buellia montagnei (Flot.) Tuck.,  more]
Rhizocarpon disporum image
Stephen Sharnoff  
Rhizocarpon disporum image
Stephen Sharnoff  
Rhizocarpon disporum image
Garry Neil  
Rhizocarpon disporum image
Garry Neil  
Rhizocarpon disporum image
Garry Neil  
Rhizocarpon disporum image
Garry Neil