Syn.: Opegrapha varia Pers., O. diaphora (Ach.) Ach., O. lichenoides Pers., O. pulicaris auct., non Pers.:Fr., incl. O. diaphora var. chlorina (Pers.) Schaer. and var. signata Ach.

Corticolous on various trees (especially Acer, Fraxinus, Quercus and Ulmus), in forests and on isolated trees.

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

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

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

Lit.: Boul.: 71, Di: 175-176, 179-180, Ho: 167, 169, 595, NL84: 16, NL92: 172, NL97: 25-26, 52.