Syn.: Opegrapha atra Pers., O. bullata auct., incl. O. atra var. reticulata (Lam. & DC.) Schaer. and var. rimosa (DC.) Zahlbr.

Corticolous, mainly on the smooth bark of Carpinus, Corylus and Fagus, sometimes on other trees, inside forests, incl. coppices, rarely along roads.

Belgium: Mar.: AR, Camp.: RRR, Brab.: RR, Mosan: AR, Ard.: R, Lorr.: AR.

Luxembourg: Ard.: RR, Lorr.: AR.

France: Mar.: RR, Boul.: AR, Pic.: R, Lorr.: RR.

Lit.: Ba: 9, Boul.: 71, Di: 174-175, Ho: 117, 166, 594, NL84: 16, Hoffmann & Van Rompu (1995).