Without literature in IF. Navexos P-831. Office of Naval Research, Washington, D.C.: xxx (1950).

Basionym: Umbilicaria pertusa Rass., Acta Inst. Bot. Acad. Sci. URSS, Ser. 2, 3: xxx (1929).

Thallus: umbilicate, upper side medium-brown, at most slightly pruinose around teh umbo. Isidiate, isidia dark brown, granular, semiglobular, or shortly cylindrical, usually starting on pustules, at a later stage possibly becoming eroded and perforated (Krog 1987: 211).

Photobiont: Data lacking.

Chemistry: No lichen substances.

Ecology: Data lacking.

Molecular data: Genbank

Distribution: Bhutan, China: Xinjiang, China: Xizang, Ethiopia, Hungary, Mongolia, Baikal region in Siberia, Tibet. Database