Lichens of Belgium, Luxembourg and northern France
Rhizocarpon reductum Th. Fr. |
Syn.: R. obscuratum auct., non (Ach.) A. Massal.
On siliceous rocks, in exposed or rather sheltered conditions, on natural outcrops, but especially common on slate debris in disused quarries, also on pebbles.
Belgium: Fl.: RRR, Camp.: RR, Brab.: RRR, Mosan: AR, Ard.: AR, Lorr.: RRR.
Luxembourg: Ard.: R.
France: Mar.: RR, Mosan: RRR, Ard.: RR, Lorr.: RR.
Lit.: Mü1: 144, Mü2: 197, NL77: 23, NL84: 17, NL87: 23, NL92: 173, Sé: 139, Van den Broeck et al. (2008).