Observation 12938: Psora nipponica (Zahlbr.) Gotth. Schneider

This is uncommon, but I have seen it once before in these mountains.

Squamulose lichen, in crevice of granite.
THALLUS: large squamules, deep rich brown to lighter greenish brown, margin white and dusty, lower surface dusty white, K-, C- surface (apparent)
MEDULLA: white, C+ red
APOTHECIA: very rare, laminal?, dome-shaped, black, epihyenium dark brown and K+ wine red (faint)

(Distinguished by the large brown squamules with dusty-white margins.)


Ugly! But there are some old dead apothecia in there…

Proposed Names

87% (1)
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Used references: Nash’s Sonoran Flora
Based on chemical features

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Created: 2008-10-20 00:01:34 CDT (-0500)
Last modified: 2008-10-20 00:01:34 CDT (-0500)
Viewed: 89 times, last viewed: 2018-04-12 09:44:43 CDT (-0500)