Lichens of Belgium, Luxembourg and northern France
|
|
Melanohalea exasperata (De Not.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch |
Syn.: Melanelia exasperata (De Not.) Essl., Parmelia exasperata De Not., P. aspera A. Massal., P. aspidota (Ach.) Poetsch
Corticolous, mainly on the rather acid bark of branches and twigs of Fraxinus, Juglans, Populus, Pyrus, Quercus and Salix, in open habitats (meadows, orchards, etc.), incl. roadside trees, rarely found on trunks of roadside trees (Fraxinus, Juglans and Tilia).
Belgium: Mar.: RR, Brab.: RRR (†<1900), Mosan: R, Ard: R (1963), Lorr.: RR (1968).
Luxembourg: Ard.: RR, Lorr.: R.
France: Boul.: RRR (1969), Lorr.: R.
Lit.: La66: 426, WS: 38-39, 77, Diederich (1985a: 23), Van den Broeck (2005).