Cetraria aculeata (Schreb.) Fr.

Syn.: Cetraria aculeata (Schreb.) Fr. var. campestris Schaer., Cetraria aculeata (Schreb.) Fr.var. sorediata Du Rietz, Cetraria aculeata (Schreb.) Fr. var. spadicea (Roth.) Ach., Cetraria bohemica Anders, Cetraria tenuissima (L.) Vain., Cetraria tenuissima (L.) Vain. var. campestris (Schaer.) Erichsen, Coelocaulon aculeatum (Schreb.) Link, Coelocaulon bohemicum (Anders) Clauzade & Cl. Roux comb. inval., Cornicularia aculeata (Schreb.) Ach., Cornicularia aculeata (Schreb.) Ach. var. acanthella (Ach.) Ach., Cornicularia aculeata (Schreb.) Ach. var. campestris (Schreb.) Rabenh., Cornicularia aculeata (Schreb.) Ach. var. sorediata (Du Rietz) Du Rietz, Cornicularia bohemica (Anders) Zahlbr., Cornicularia spadicea (Roth.) Ach., Cornicularia tenuissima (L.) Zahlbr., Lichen aculeatus Schreb.
Lichenised.
Substrate: acidic soil (mostly on siliceous substrata)
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 mainly siliceous, often sandy mineral soil in clearings of Calluna-heathlands, with optimum in wind-exposed situations; widespread throughout the Alps.
Austria: Tirol; Salzburg; Kärnten; Steiermark; Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Luzern; Ticino; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria;