Most observed native stubble lichens
8 species, native to the US, by observations.
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Green Stubble Lichen
Calicium viride
482 observations
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Yellow Soot Lichen
Calicium tigillare
415 observations
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Spike Lichen
Calicium salicinum
142 observations
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Yellow Collar Stubble Lichen
Calicium trabinellum
137 observations
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Yellow Soot Lichen
Calicium lucidum
51 observations
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Spike Lichen
Calicium abietinum
42 observations
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Calicium pinicola
38 observations
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Carolina Thelomma Lichen
Calicium carolinianum
8 observations