Umbilicaria torrefacta (Lightf.) Schrader  
Family: Umbilicariaceae
[Gyromium erosum (Weber) Wahlenb.,  more]
Umbilicaria torrefacta image
Stephen Sharnoff  
Umbilicaria torrefacta image
Lucy Taylor  
Umbilicaria torrefacta image
Stephen Sharnoff  
Umbilicaria torrefacta image
Stephen Sharnoff  
Umbilicaria torrefacta image
Stephen Sharnoff  
Umbilicaria torrefacta image
Stephen Sharnoff