Syn.: Lecidea cyathoides (Ach.) Ach., L. rivulosa Ach., Biatora rivulosa (Ach.) Fr., incl. F. cyathoides var. corticola (Fr.) H. Magn., syn. Fuscidea fagicola (Zschacke) Hafellner & Türk

On natural outcrops of siliceous rocks, mainly in exposed conditions, also on acidic bark (Alnus incana, Betula, Tilia, but mainly on Fagus).

Belgium: Brab.: RRR, Mosan: RRR, Ard.: AR.

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

France: Mosan: RRR.

Lit.: Di: 103-104, Mül;1: 144, Mül;2: 196, NL92: 170, NL97: 48.