Lecidea silacea (Hoffm.) Ach.

Lecidea silacea (Hoffm.) Ach.

Syn.: Lecidea subsilacea Nyl., Lecidella silacea (Hoffm.) Körb., Patellaria silacea Hoffm., Psora tabacina Ramond ex DC. non auct., Toninia tabacina (Ramond ex DC.) Flagey non auct.

Lichenised.

Substrate: metal-rich siliceous rocks, siliceous rocks

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: a probably circumpolar, arctic-alpine to boreal-montane lichen found on iron-containing rocks in humid, sheltered situations, mostly in upland areas.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Switzerland: Bern; Graubünden; Ticino; Valais; France: Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria;

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