Corticolous, on smooth or rough bark in forests and on isolated trees, sometimes lignicolous, on wooden posts.

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

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

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

Lit.: Boul.: 67, Di: 61-62, NL84: 12.