Bryologist 105: 656 (2002).

Synonyms: Index Fungorum

Protolog: "U.S.A. California. Sonoma Co., about 3 mi (5.8 km) E on Spring Mountain road from Calistoga-Santa Rosa road. Narrow canyon with Sequoia, Lithocarpus, Quercus agrifolia. On twigs of Q. agrifolia, 24 November, 1962, Isabelle Tavares 1323 with Phyllis Roskin (UC, holotype, isotypes)".

Type locality: USA, California, Sonoma County, about 3 mi (5.8 km) E on Spring Mountain road from Calistoga-Santa Rosa road, narrow canyon with Sequoia, Lithocarpus, Quercus agrifolia, on twigs of Q. agrifolia, 24 November 1962, I. Tavares 1323 with P. Roskin (UC - holotype, isotypes).

Barcode: Data lacking.

Coordinates: Data lacking.

Thallus: Data lacking.

Photobiont: Data lacking.

Chemistry: Thallus K+ yellow, C-, P+ yellow, crystals in cortex, atranorin by TLC. Specimens with dark gray thalli may have atranorin crystals restricted to the apothecium lower cortex (Sheard & Mayrhofer 2002: 657).

Ecology: Data lacking.

Molecular data: Genbank

Distribution: Database

Note: