Most observed native speckled shield lichens
6 species, native to the US, by observations.
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Rough Speckled Shield Lichen
Punctelia rudecta
16,441 observations
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Eastern Speckled Shield Lichen
Punctelia bolliana
3,965 observations
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Mealy Speckled Shield Lichen
Punctelia missouriensis
1,374 observations
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Moondust Speckled Lichen
Punctelia caseana
1,231 observations
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Appalachian Speckleback Lichen
Punctelia appalachensis
269 observations
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Punctelia graminicola
60 observations