in Knudsen, Lichen Flora of the Greater Sonoran Desert Region (Tempe) 3: 26 (2007).

Synonyms: Index Fungorum

Protolog: Thallus areolatus, citrinus, rugulosus, distinct lobatus vel non lobatus. Substantia diagnostice acidum norsticticum.

Protolog type data: USA: Arizona: Apache County, along Highway 180, c. 13 km N of Springerville and c. 4 km S of county road 416, 34°15'N, 109°52'15"W, 1900 m, on basalt, Nash 35,136 (Holotype, ASU; isotype, UCR.).

Type locality: USA, Arizona, Apache County, along Highway 180, c. 13 km N of Springerville and c. 4 km S of county road 416, on basalt, 1900 m, s.d., T. H. Nash 35136 (ASU - holotype; UCR - isotype).

Type locality coordinates: 34°15'N, 109°52'15"W.

Molecular barcode: Data lacking.

Thallus: Data lacking.

Photobiont: Data lacking.

Chemistry: Spot tests: UV+ orange, medulla, K+ yellow, turning red, forming crystals (visible in mounted section); Secondary metabolites: norstictic acid (major), rhizocarpic acid (minor), connorstictic acid (trace), gyrophoric acid (trace), epanorin (trace) as determined by HPLC (J. A. Elix) (Knudsen 2007: 26).

Ecology: Data lacking.

Molecular data: Genbank

Distribution: Database

Note: