Anema nummularium (Dufour ex Durieu & Mont.) Nyl. ex Forssell

Syn.: Anema notarisii (A. Massal.) Forssell, Anema nummulariellum Nyl., Collema nummularium Dufour ex Durieu & Mont., Omphalaria frustillata Nyl., Omphalaria notarisii A. Massal., Thyrea frustillata (Nyl.) Zahlbr.
Lichenised.
Substrate: calciferous rocks
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 steeply inclined surfaces of limestone and dolomite with periodical water seepage after rain, below the subalpine belt. See also note on A. moedlingense.
Austria: Tirol; Kärnten; Steiermark; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Schwyz; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria;