Quercus
sp.
Record number: 234499. Place of collection: Luxembourg; Oesling, E. Lieler, Buch, J8.25.42. Associated organisms: Pertusaria hemisphaerica; Sclerococcum epiphytorum.
Record number: 234500. Place of collection: Luxembourg; Gutland, Ettelbruck, E. Carelshaff, K8.54.44. Associated organisms: Chrysothrix candelaris; Taeniolella chrysothricis.
Record number: 234502. Place of collection: Luxembourg; Gutland, north-north-west of Schouweiler, Schullerboesch (M8.22.14). Associated organisms: Feltgeniomyces luxemburgensis; Lecidella conspurcatosorediosa.