Usnea perplexans Stirt.
Syn.: Usnea arnoldii Motyka, Usnea fulvoreagens auct. non (Räsänen) Räsänen, Usnea lapponica Vain., Usnea laricina auct. non Vain. ex Räsänen
Lichenised.
Substrate: bark
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: on branches of conifers in montane, cold-humid forests with frequent fog; frequent throughout the Alps.
Austria: Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Glarus; Graubünden; Luzern; Schwyz; Ticino; Unterwalden; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Haute-Savoie; Vaucluse; Var; Italy: Veneto; Trentino Alto Adige; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;