Syn.: Calicium citrinum auct.

Lichenicolous, on Psilolechia lucida, over siliceous or sandstone rocks, exceptionally on roots of Quercus, always in dry and sheltered underhangs.

Belgium: Mosan: R, Ard.: AR.

Luxembourg: Ard.: R, Lorr.: R.

France: - .

Lit.: Di: 164-165, LF0: 10, NL84: 15, NL87: 22, NL92: 172, Sé: 138, Van Landuyt (1996).