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Tephromela atra?

Tephromela atra


Hard to identify. Probably Tephromela atra in an early state of colonization. Thallus crustose, pale grey, cracked-areolate and warted, looking much like fossilised porridge; apothecia conspicuous and usually abundant, disks black, rims grey-white and crenulate, hymenium with purplish colours in section.


Usually on siliceous rock in very illuminated places. This one on a granite wall.


Camera Model: NIKON D300. Exposure Time: 1/60 sec. f/3.8 ISO Speed Rating: 200. Focal Length: 90.0 mm. Flash fired

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arlanda 10 years ago

Thanks AschaRiess, it was very small and difficult to see!

AschaRiess 10 years ago

Wow! Muy linda!

Spotted by

Los Molinos, Madrid, Spain

Spotted on Mar 4, 2012
Submitted on Mar 17, 2012

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