Lichen Flora of the Greater Sonoran Desert Region (Tempe) 3: 310 (2007).
Synonyms: Index Fungorum
Protolog: Data lacking.
Type locality: USA, California, Santa Barbara County, Santa Cruz Island, Ridge Road, Laguna Canyon road turnover, on Arctostaphylos sp., 200 m, 29.03.2000, P. Clerc & C. Bratt (G - holotype).
Type locality coordinates: 32°54'N, 118°30'W.
Type: U.S.A., California, Santa Barbara Co.: Santa Cruz Island, Ridge Road, Laguna Canyon road turnover, 200 m, 32°54'N, 118°30'W, on Arctostaphylos sp., 29.03.2000, P. Clerc and C. Bratt (Holotype, G).