Pyxine subcinerea Stirton  
Family: Caliciaceae
[Physcia melanenta C. Knight,  more]
Pyxine subcinerea image
Stephen Sharnoff  
Pyxine subcinerea image
Troy McMullin  
Pyxine subcinerea image
Gary Perlmutter  
Pyxine subcinerea image
Stephen Sharnoff  
Pyxine subcinerea image
Lynda Miller