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Psorula rufonigra

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psorula rufonigra 1 graphic
Psorula rufonigra 1
On granite. From Enchanted Rock State Natural Area, central Texas.
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Psorula rufonigra 2
On granite. From Enchanted Rock State Natural Area, central Texas.
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Psorula rufonigra 3
(with black thalli of Spilonema revertens surrounding)
On granite. From Enchanted Rock State Natural Area, central Texas.


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Punctelia appalachensis

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