Usnea glabrescens (Nyl. ex Vain.) Vain. var. glabrescens

Usnea glabrescens (Nyl. ex Vain.) Vain. var. glabrescens

Syn.: Usnea barbata (L.) F.H. Wigg. var. glabrescens Nyl. ex Vain., Usnea compacta Motyka, Usnea distincta Motyka, Usnea extensa Vain., Usnea glabrella (Motyka) Räsänen, Usnea laricina Vain. ex Räsänen non auct.

Lichenised.

Substrate: bark, lignum

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)

Note: on bark and lignum in cold-humid but open situations in montane to subalpine forests; widespread throughout the Alps.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Bern; Glarus; Graubünden; Schwyz; Uri; Vaud; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Var; Italy: Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;

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