Lichen Flora of the Greater Sonoran Desert Region (Tempe) 3: 71 (2007).
Protologue type data: Type: U.S.A. Arizona: Coconino Co.: Grand Canyon National Park, South Kaibab Trail, 36°03'45"N, 112°05'W, c. 2200 m, on limestone, 28 June 1991, T.H. Nash III 30759 (ASU-holotype; UPS-isotype; TLC: nil).
Type locality: USA, Arizona, Coconino County, Grand Canyon National Park, South Kaibab Trail, on limestone, ca. 2200 m, 28 June 1991, T.H. Nash III 30759, TLC: nil (ASU - holotype; UPS-isotype).
Type locality coordinates: 36°03'45"N, 112°05'W.
ITS barcode: Data lacking.
Description: Lichen. Thallus crustose, ... (Owe-Larsson et al. 2007: 71).
Photobiont: Data lacking.
Chemistry: 3 chemical races.
Distribution Database: Distributions
Distribution Database: Discover Life
Picture Database: Tropical Lichens
Molecular Database: Genbank
Synonym Database: Index Fungorum
Synonym Database: Mycobank
Race I:
Race II:
Race III: