Most observed native shield lichens
6 species, native to the US, by observations.
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Netted Shield Lichen
Parmelia sulcata
59,080 observations
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Salted Shield Lichen
Parmelia saxatilis
5,876 observations
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Bottlebrush Shield Lichen
Parmelia squarrosa
5,616 observations
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Smoky Crottle
Parmelia omphalodes
1,134 observations
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Western Shield Lichen
Parmelia hygrophila
248 observations
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Pea-green Shield Lichen
Parmelia fraudans
44 observations