Notes: Growing on siliceous rock.
Thallus crustose, whitish gray, cracked-areolate, areolas slightly convex, with a black prothallus, slightly pruinose. Apothecia black, numerous, isolated but sometimes close and then become fusioned, with a thick concolor rim. Spores colourless, simple, guttulate, with average dimensions of Me = 16.8 × 8.6 µm ; Qe = 2 (N=23).
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Created: 2012-04-19 19:24:13 EDT (-0400)
Last modified: 2012-04-19 19:24:47 EDT (-0400)
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