Polysporina pusilla (Anzi) Nimis

Syn.: Biatorella pusilla (Anzi) Zahlbr. ex Beck, Sarcogyne pusilla Anzi
Lichenised.
Substrate: ,
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 widespread lichenicolous lichen, most frequent on calcareous rocks in sunny habitats, growing in the apothecia of Protoblastenia-species, mainly P. incrustans.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Bern; Graubünden; Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Italy: Veneto; Trentino Alto Adige; Lombardia; Piemonte;