Ochrolechia pallescens (L.) A. Massal.

Ochrolechia pallescens (L.) A. Massal.

Syn.: Lichen pallescens L., Ochrolechia parella (L.) A. Massal. subsp. pallescens (L.) Clauzade & Cl. Roux, Ochrolechia parella (L.) A. Massal. var. tumidula auct. non (Pers.) Arnold, Parmelia pallescens (L.) Fr.

Lichenised.

Substrate: bark

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: a mainly temperate species found on deciduous trees in humid areas. The relationships with O. parella remain to be clarified: the two species are similar, but have a different ecology and distribution, and they hardly can be treated as forms of one and the same species.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Glarus; Graubünden; Luzern; Schwyz; Ticino; Unterwalden; Vaud; Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd;

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