Syn.: Parmelia acetabulum (Neck.) Duby

Mainly on old roadside trees (e.g. on Fraxinus, Tilia and Ulmus) or in orchards and extensive pasture, also saxicolous on old gravestones or walls.

Belgium: Mar.: C, Fl.: C, Camp.: AR, Brab.: AR, Mosan, Ard., Lorr.: AC.

Luxembourg: Ard.: AC, Lorr.: C.

France: Mar.: RRR, Boul.: R, Pic.: R, Mosan, Ard., Lorr.: AC.

Lit.: Boul.: 72, Ca: 134-135, Ho: 171, La66: 432, Qu: 100-101, WS: 36-37, 74, Lambinon (1968b: 405).