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Gowardia nigricans (Ach.) P. Halonen, L. Myllys, S. Velmala, & H. Hyvarinen  
Family: Parmeliaceae
[Alectoria nigricans (Ach.) Nyl.,  more]
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Stephen Sharnoff  
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Troy McMullin  
Gowardia nigricans image
Troy McMullin  
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Stephen Sharnoff  
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