TYPE. UNITED STATES. West Virginia, Pendleton County, near Onego, on Quercus alba in oak woods, Aug. 1956, M.E. Hale 63 (H, LD, MICH, isotypes).
Description. Life form: lichenized fungus.
Thallus foliose, adnate, 4-8(-16) cm broad; lobes rounded, mostly 3-6 mm wide. Upper surface greenish gray, shiny, spotted with sparse maculae and white pseudocyphellae, lobulate; lobules finely divided and often branched, covering the surface and sometimes the margins. Lower surface black, at least in center, pale brown at the edges; rhizines sparse to abundant. Ascomata lecanorine apothecia, rare.