Most observed native rash lichens
10 species, native to the US, by observations.
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Bark Rash Lichen
Pyrenula cruenta
1,015 observations
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Eastern Pox Lichen
Pyrenula pseudobufonia
332 observations
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White-Eyed Angler
Pyrenula leucostoma
142 observations
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Beech Pox
Pyrenula punctella
64 observations
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Yellow Pox Lichen
Pyrenula ochraceoflavens
48 observations
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Small-clique Pox
Pyrenula ravenelii
27 observations
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Coastal Plain Cones
Pyrenula fetivica
21 observations
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Big Pox
Pyrenula mamillana
6 observations
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Wart Lichen
Pyrenula microcarpa
6 observations
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Wart Lichen
Pyrenula pyrenuloides
3 observations