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Usnea subgracilis Vain.  
Family: Parmeliaceae
Usnea subgracilis image
Stephen Sharnoff  
Usnea subgracilis image
Stephen Sharnoff  
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image
Usnea subgracilis image