Corticolous, mainly on Acer campestre, Fraxinus and Populus in forests in sheltered conditions, or on roadside trees in more or less exposed conditions.

Belgium: Fl.: RRR, Mosan: AR, Ard.: R, Lorr.: R.

Luxembourg: Ard.: RR, Lorr.: RRR.

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

Lit.: Boul.: 66, Di: 48-49, L2: 92, NL84: 12, NL92: 167, NL97: 44, van den Boom & Sérusiaux (1996: 22), Van den Broeck et al. (2008).