Pleopsidium flavum

Summary 2

Pleopsidium flavum (gold cobblestone lichen):27 is a distinctively colored, bright lemon-yellow to chartreuse crustose lichen that grows in high elevations (montane to alpine) on vertical or overhanging hard felsic rock (e.g. granite) in western North America.:186 Its thallus grows in a circular outwardly radiating pattern (crustose placoidioid), with 1mm wide lobed edges.:186 It was formerly classified as Acaraspora chlorophana.:186 It is in the Pleopsidium gen

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