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Project Noah Nature School
Pleopsidium flavum
It is a bright lemon-yellow lichen that grows in high elevations (montane to alpine) on vertical or overhanging hard felsic rock (e.g. granite) in western North America. Its thallus grows in a circular outwardly radiating pattern, with 1mm wide lobed edges.
Panum Crater, Mono Lake, CA.
Spotted on Jan 1, 2015
Submitted on Jan 1, 2015
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