Syn.: C. major (K.G.Hagen) Sandst.

On acidic soil and rotting wood, more rarely on trees, rocks and old walls, also on industrial soil contaminated with heavy metals (Pb and Zn).

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

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

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

Lit.: Boul.: 68, Ca: 177, Ho: 122, La69: 141, NL84: 13, Qu:130, 132.