Syn.: Cetraria sepincola (Ehrh.) Ach.

On thin branches of Betula, always in humid and sheltered conditions, once on a fence post.

Belgium: Ard.: AR→RR, Lorr.: R (†1989).

Luxembourg: Ard.: RRR (1981), Lorr.: RRR.

France: Ard.: RR (1966).

Lit.: L4: 19, L14: 110, La66: 412-415, Mü1: 154, WS: 33, 68, Diederich (1985a: 21-22), Lambinon (1968b: 406), Schumacker (1965).