Alectoria ochroleuca (Hoffm.) A. Massal.  
Family: Parmeliaceae
[Alectoria ochroleuca f. citrina Räsänen,  more]
Alectoria ochroleuca image
Stephen Sharnoff  
Alectoria ochroleuca image
Troy McMullin  
Alectoria ochroleuca image
Troy McMullin  
Alectoria ochroleuca image
Lucy Taylor  
Alectoria ochroleuca image
Stephen Sharnoff