Bryologist 79, 1: 78 (1976).

Synonyms: Index Fungorum

Protolog: "Thallus adnatus, corticola, viridi-albus, 2-4 cm diametro, lobis sublinearibus, contiguis, 2-2.5 mm latis, superne planus vel leviter foveolatus, nitidus, apicem versus minute albo-reticulatus, cortice fragile, mox centrum versus rugosus pustulatusque, pustulis congestis, fragilibus, apice eruptentibus sed esorediatis; cortex superior 12 µm crassus, stratum gonidiale 15-20 µm crassum, medulla alba, 90-110 µm crassa, cortex inferior 12 µm crassus; subtus niger, sparse rhizinosus, rhizinis nigris, aetate dichotome, ca. 25 µm crassis. Apothecis ignota".

Protolog type data: "Ohio, Vinton county: Racoon State Forest, near Oreton Fire Tower on chestnut oak. Showman V-12, 17 November 1975 (US; isotype in OSU)".

Type locality: USA, Ohio, Vinton county, Racoon State Forest, near Oreton Fire Tower on chestnut oak, s.a., 17.11.1975, R. Showman V-12 (US - holotype; OSU - isotype).

Type locality coordinates: Data lacking.

Molecular barcode: Data lacking.

Thallus: Data lacking (Hale 1976: 78).

Photobiont: Data lacking.

Chemistry: Atranorin, "horrescens" unknowns, traces of gyrophoric acid (Hale 1976: 78).

Ecology: On chestnut oak (Quercus montana), Pinus strobus.

Molecular data: Genbank

Distribution: North American endemic. Database

Note: