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Psorula rufonigra (Tuck.) Gotth. Schneider  
Family: Psoraceae
[Biatora rufonigra Tuck.,  more]
Psorula rufonigra image
Einar Timdal  
Psorula rufonigra image
Samuel Brinker  
Psorula rufonigra image
Stephen Sharnoff  
Psorula rufonigra image
Samuel Brinker  
Psorula rufonigra image
Stephen Sharnoff  
Psorula rufonigra image
Stephen Sharnoff