Parmotrema cristiferum (Taylor) Hale  
Family: Parmeliaceae
[Parmelia cristifera Taylor,  more]
Parmotrema cristiferum image
Stephen Sharnoff  
Parmotrema cristiferum image
Parmotrema cristiferum image
Troy McMullin  
Parmotrema cristiferum image
charles gardner  
Parmotrema cristiferum image
Lynda Miller