Mycotaxon 2(2): 217 (1975).
Basionym: Parmelia ajoensis Nash, Bryologist 77(2): 234 (1974).
Synonyms: Index Fungorum
Protolog: Data lacking.
Algae: Trebouxia.
Chemistry: Diffractaic acid (major), barbatic acid, baeomycesic acid acid (trace), squamatic acid, 3-alpha-hydroxybarbatic acid (trace), 4-0-demethylbarbatic acid (more or less trace), 2-0-methylobtusatic acid (more or less trace), constipatic acid (more or less), protoconstipatic acid (more or less), usnic acids (Hale 1990: 74).
Ecology:
Molecular data: Genbank
Distribution: Arizona, New Mexico, Colorado, Mexico Database
Note:
Type locality: USA, Arizona, Pima County, Organ Pipe Cactus National Monument, Nash 5999 (ASU - holotype, DUKE, US - isotypes).
Barcode: Data lacking.
Coordinates: 32°1'30"N, 112°52'0"W.