Cladonia portentosa (Dufour) Coem.

Cladonia portentosa (Dufour) Coem.

Syn.: Cenomyce portentosa Dufour, Cladina impexa (Harm.) B. de Lesd., Cladina portentosa (Dufour) Follmann, Cladonia condensata (Sandst.) Zahlbr., Cladonia impexa Harm., Cladonia laxiuscula auct., Cladonia spumosa (Flörke) Zahlbr.

Lichenised.

Substrate: acidic soil (mostly on siliceous substrata), living mosses, plant debris

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)

Note: a mainly western species in Europe, found on acid soil in open situations, such as in Calluna-heaths; most of the records from the Alps (especially the Central and Eastern Alps) require re-confirmation.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Oberösterreich; Germany: Oberbayern; Switzerland: Bern; Graubünden; Luzern; Schwyz; Uri; Unterwalden; Vaud; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;

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