Physconia grisea (Lam.) Poelt subsp. lilacina (Arnold) Poelt
Syn.: Parmelia pulverulenta auct. f. lilacina Arnold, Physcia grisea (Lam.) Zahlbr. var. lilacina (Arnold) Nádv., Physcia lilacina (Arnold) Poelt
Lichenised.
Substrate: rocks, lignum
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: on rock, more rarely on eutrophicated bark or lignum; mostly restricted to dry-warm sites in the Mediterranean belt and in dry-warm valleys of the Alps.
France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Vaucluse; Italy: Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;