Most observed native button lichens
9 species, native to the US, by observations.
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Common Button Lichen
Buellia erubescens
5,051 observations
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Sunken Button Lichen
Buellia spuria
272 observations
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Boreal Button Lichen
Buellia disciformis
102 observations
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Parasitic Button Lichen
Buellia badia
61 observations
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Fluorescent Rock Buttons
Buellia mamillana
45 observations
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Buellia dispersa
42 observations
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Disc Lichen
Buellia vernicoma
17 observations
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Schaerer's Disc Lichen
Buellia schaereri
11 observations
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Disc Lichen
Buellia maculata
11 observations