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Lecanora rupicola (L.) Zahlbr.  
Family: Lecanoraceae
[Glaucomaria rupicola (L.) M. Choisy,  more]
Lecanora rupicola image
Stephen Sharnoff  
Lecanora rupicola image
Troy McMullin  
Lecanora rupicola image
Stephen Sharnoff  
Lecanora rupicola image
Stephen Sharnoff  
Lecanora rupicola image
Stephen Sharnoff  
Lecanora rupicola image
Stephen Sharnoff