Mycotaxon 30: 320 (1987).
Synonyms: Index Fungorum
Type: South Africa, Cape Province, on low outcrops in karoo, 12 km N of Jansenville, on highway R 75, 600 m, 18.10.1986, M. Hale 77664, Grid 3224 DB (US - holotype; PRE - isotype).
Protolog: Data lacking.
Photobiont: Trebouxia.
Chemistry: Barbatic acid (major), 4-0-demethylbarbatic acid, norobtusatic acid (trace), 3-alpha-hydroxybarbatic acid (more or less trace), baeomycesic acid (more or less trace), usnic acids (Hale 1990: 70).
Ecology:
Molecular data: Genbank
Distribution: Circumpolar Northern Hemisphere. Database
Note:
Type locality: Data lacking.
Barcode: Data lacking.
Coordinates: Data lacking.