Syn.: Microthelia micula auct., non Körb.

Corticolous, on Tilia, often in ruderal conditions.

Belgium: Mosan: RRR, Ard.: RRR.

Luxembourg: Lorr.: RRR.

France: - .

A non-lichenized species, included here because it looks like a lichen and is usually studied by lichenologists.

Lit.: L7: 88.