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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
Spotted on Mar 4, 2012
Submitted on Mar 17, 2012
2 Comments
Thanks AschaRiess, it was very small and difficult to see!
Wow! Muy linda!