Slideshow image
Umbilicaria semitensis Tuck.  
Family: Umbilicariaceae
[Umbilicaria angulata Tuck.,  more]
Umbilicaria semitensis image
Stephen Sharnoff  
Umbilicaria semitensis image
Lucy Taylor  
Umbilicaria semitensis image
Stephen Sharnoff  
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image
Umbilicaria semitensis image