Observation 179070: Pyrenula pseudobufonia (Rehm) R.C. Harris

on bark of trunk of leaning young red oak et edge of forest

~50 year old mixed hardwood forest

thin corticate olive-brown-greenish crust, large mostly-immersed black globose perithecia with centered tiny ostiole, cortex UV+y weak to strong varying by thallus, spores 8 per ascus in line 3-septate ellipsoid brownish with ellipsoid lumina and end cells small round and protruding conspicuously into endospore ~20-23×10-13um, hymenium inspersed I+ bluish Lugol’s

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Created: 2014-09-16 16:22:44 CDT (-0500)
Last modified: 2014-09-16 16:22:48 CDT (-0500)
Viewed: 2 times, last viewed: 2017-06-18 21:13:38 CDT (-0500)