Lichens of Belgium, Luxembourg and northern France
Physcia tribacia (Ach.) Nyl. |
On natural, sheltered, siliceous outcrops and on artificial substrates (mainly old walls), also corticolous on Fraxinus and Tilia on roadsides.
Belgium: Fl.: RRR, Brab.: RRR, Mosan: R, Ard.: R.
Luxembourg: Ard.: RR.
France: - .
Lit.: Ho: 167, 217, 618, La66: 476, NL92: 173, NL97: 53, WS: 50, 99, Ertz & Duvivier (2006: 52).