Syn.: Lecidea furvella Mudd

On siliceous rocks and slate debris in old quarries, usually in exposed conditions, often lichenicolous, e.g. on Trapelia glebulosa.

Belgium: Ard.: R.

Luxembourg: Lorr.: RRR.

France: - .

Lit.: Mü1: 143, Mü2: 197, Sé: 143.