Syn.: Parmelia furfuracea (L.) Ach., Evernia furfuracea (L.) W. Mann, incl. Pseudevernia furfuracea var. ceratea (Ach.) D. Hawksw., syn. Evernia olivetorina Zopf

In forests (mainly on Betula, Fagus and Quercus) and on isolated trees (e.g. Fraxinus, Tilia), most common on acid bark, incl. that of introduced conifers.

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

Luxembourg: Ard.: CC, Lorr.: C.

France: Pic.: RRR (1971), Ard. C, Lorr.: AC.

Lit.: Ca: 124, Ho: 224, 622, La66: 393-404, WS: 54-56, 107-108.