Lichens of Belgium, Luxembourg and northern France
Hypocenomyce scalaris (Ach.) M. Choisy |
Syn.: Lecidea scalaris (Ach.) Ach., Psora scalaris (Ach.) Hook., L. ostreata (Hoffm.) Schaer.
On dry bark of Pinus, more rare on bark or lignum of Betula, Picea or Quercus, also known on Fagus, Prunus, Pyrus, etc., rarely saxicolous, on natural, siliceous and sandstone outcrops.
Belgium: Mar.: RRR, Fl.: RRR, Camp.: AR, Brab.: RRR, Mosan, Ard., Lorr.: AR.
Luxembourg: Ard.: AR, Lorr.: AR.
France: Mar.: RRR.
Lit.: Ba: 9, Boul.: 69, Di: 113, DSL: 234, Ho: 134, 218, 578, NL84: 14, Qu: 94, 96, Vanek (1976).