Ochrolechia androgyna (Hoffm.) Arnold  
Family: Ochrolechiaceae
[Lecanora tartarea subsp. subtartarea Nyl.,  more]
Ochrolechia androgyna image
Stephen Sharnoff  
Ochrolechia androgyna image
Gary Perlmutter  
Ochrolechia androgyna image
Stephen Sharnoff  
Ochrolechia androgyna image
Stephen Sharnoff