Lichens of Belgium, Luxembourg and northern France
Pertusaria albescens (Huds.) M. Choisy & Werner |
Syn.: P. albescens var. corallina (Zahlbr.) J. R. Laundon, P. discoidea (Pers.) Malme, P. globulifera (Turner) A. Massal., P. henrici sensu Erichsen, P. orbiculata (Schreb.) Zahlbr.
Corticolous, on roadside trees (mainly Fraxinus and Populus), in orchards (on Malus and Pyrus) and in forests (mainly on Fagus and Quercus).
Belgium: Mar.: R, Fl.: AR, Camp.: AR, Brab.: AC, Mosan: AR, Ard., Lorr.: AC-C.
Luxembourg: Ard.: AC, Lorr.: C.
France: Mar.: RRR, Boul.: RR, Pic.: R, Brab.: RR, Lorr.: R.
A single fertile specimen is known from Luxembourg.
Lit.: Boul.: 71, Ca: 114-115, Di: 184-186, DSL: 236-237, Ho: 139, 200, NL84: 16, Hanko (1983: 236).