Thallus: saxicolous, thin, continuous. Apothecia: as in Fellhanera silicis. Ascospores: hyaline, fusiform, tapering at one end, transversely septate, (3)-4-6(-7)-septate, constricted at middle septum and slightly constricted at outer septa, (14.3)-16.7(-19.0) x (3.7)-4.5(-5.4) μm. Pycnidia: as in Fellhanera silicis. Conidia: hyaline, bacilliform, (6.4)-7.3(-8.2) x (15.)-1.8(-2.1) μm. Chemistry: No substances detected. Spot tests: K-, C-, KC-, P-, UV-. Distribution: Presently known only from the type locality in the Baxter Creek Watershed of the Great Smoky Mountains National Park. Ecology: a saxicolous member of the F. silicis group, known only from acidic rock outcrops at the type locality.