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Project Noah Nature School
Umbilicaria grisea
Foliose lichen with the thallus attached to the rock at central point. Grey to brownish-grey above lacking isidia, Sorediated at the borders. lower surface brown to dark brown without rhizines
On exposed sides of siliceous rocks. Spotted at Salto del Gitano, Parque Nacional de Monfragüe
Camera Model: NIKON D300. Exposure Time: 1/60 sec. f/36 ISO Speed Rating: 200. Focal Length: 90.0 mm. Flash fired
Spotted on Apr 1, 2012
Submitted on Apr 27, 2012
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