Syn.: Parmelia subrudecta Nyl., P. borreri auct. p.p., non (Sm.) Turner

Mainly on old isolated trees, in orchards, on roadside or in pastures, rarely in forests or on slightly calcareous rocks in disused quarries or on road cuttings.

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

Luxembourg: Ard.: AR, Lorr.: AC.

France: Mar.: R, Boul.: R, Pic.: RR, Ard., Lorr.: AC-AR

Lit.: Boul.: 72, Ca: 148-149, Ho: 192, L9: 26-27, La66: 441-442, NL84: 16, Qu: 110, 112, VGH: 114, WS: 43, 86, van Herk & Aptroot (in prep.).