Umbilicaria cylindrica (L.) Delise ex Duby  
Family: Umbilicariaceae
[Bacidia cornea (With.) A. Massal.,  more]
Umbilicaria cylindrica image
Stephen Sharnoff  
Umbilicaria cylindrica image
Lucy Taylor  
Umbilicaria cylindrica image
Troy McMullin  
Umbilicaria cylindrica image
Stephen Sharnoff  
Umbilicaria cylindrica image
Stephen Sharnoff  
Umbilicaria cylindrica image
Stephen Sharnoff