Lichen Flora of the Greater Sonoran Desert Region (Tempe) 3: 288 (2007).

Basionym: Lecidea lurida Ach., Methodus, Sectio prior (Stockholmiæ): 77 (1803).

Type: Sweden, Gotland, Visby, in rimis rupium calcarum, 6.1917, G. O. A. Malme [Malme: Lich. Suec. Exs. 663] (O - Neotype selected by Timdal (2007: 288).

Note: The synonym Psora lurida is cited with the authors "(With.) DC." in Verseghy (1994: 128).