Alectoria nigricans (Ach.) Nyl.

Alectoria nigricans (Ach.) Nyl.

Syn.: Alectoria thulensis (Th. Fr.) Nyl., Cornicularia ochroleuca (Hoffm.) DC. var. nigricans Ach., Gowardia nigricans (Ach.) Halonen, Myllys, Velmala & Hyvärinen

Lichenised.

Substrate: acidic soil (mostly on siliceous substrata),

Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: an arctic-alpine, circumpolar species found on ground or on rocks in wind-exposed siliceous ridges in moss-lichen heaths; widespread in the siliceous Alps.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Schwyz; Ticino; Uri; Valais; France: Haute-Alpes; Isère; Savoie; Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;

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