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Project Noah Nature School
Caloplaca crenularia
The thallus is a thin, whitish-grey to grey, cracked-areolate crust. The apothecia are rust-brown coloured, when young with defined margins that remain somewhat lustrous even when dry.
On a wall made of shale rocks
Camera Model: NIKON D300. Exposure Time: 1/60 sec. f/36 ISO Speed Rating: 200. Focal Length: 90.0 mm. Flash fired
Spotted on Mar 31, 2012
Submitted on Apr 17, 2012
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