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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