Lichens of Belgium, Luxembourg and northern France

Distribution map of Physconia perisidiosa (Erichsen) Moberg © by Paul Diederich   Physconia perisidiosa (Erichsen) Moberg
« Physconia grisea
see legend below picture
Physconia perisidiosa – France, Var, Draguignan, forÍt domaniale de la Colle du Rouet – © 2009 by J. M. Feraud

Syn.: Physcia perisidiosa Erichsen, P. farrea auct., non (Ach.) Vain.

Corticolous on old roadside trees (mainly Fraxinus, Populus, Tilia and Ulmus), especially at the base of the trunk, also saxicolous on old graves or on limestone rocks.

Belgium: Mar.: RRR, Mosan: RR, Ard.: RR, Lorr.: R.

Luxembourg: Ard.: R, Lorr.: AC.

France: Mar.: RRR, Lorr.: RR.

Lit.: La66: 480, WS: 52, 104.

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