Type locality coordinates: Data lacking.

ITS barcode: Data lacking.

Description: Thallus crustose, ash-white or rusty orange, irregularly cracked-areolate; areolae flat or subconvex, smooth; hypothallus indistinct. Apothecia black, up to 2 mm in diameter, adnate, constricted at the base; disc plane, with white pruina, surrounded by irregularly flexuose margin; excipulum well advanced; epithecium blackish-green; hymenium 30-40 µm high; subhymenium 30-40 µm high, dark brown; hypothecium concolorous to the subhymenium; spores colorless, ellipsoid, simple, 7-9 / 3-4 µm (Inoue 2002: 9).

Photobiont: Green alga.

Chemistry: Confluentic acid, unidentified minor constituents (Inoue 2002: 9).

Ecology: On silicious rock.

Distribution type: Bipolar, temperate northern hemisphere and Falkland Islands.

Distribution Database: Distributions

Distribution Database: Discover Life

Picture Database: Tropical Lichens

Molecular Database: Genbank

Synonym Database: Index Fungorum

Synonym Database: Mycobank