This is a very common Physcia in these mountains, on both oak bark and less common on granite. Recognize by abundant apothecia and heavy coarse pruina.
Foliose lichen, on granite, fairly exposed, with Lecanora muralis.
THALLUS: light gray, coarsely white pruinose, K+y, white underneath with white simple rhizines
MEDULLA: white, K-
APOTHECIA: lecanorine, black, densely coarsely white pruinose, substipitate, to 2 mm wide, flat
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|I’d Call It That||3.0||6.43||1||(jason)|
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Created: 2008-10-20 01:00:41 EDT (-0400)
Last modified: 2008-10-20 01:00:41 EDT (-0400)
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