Chaenothecopsis pusilla (Ach.) A.F.W. Schmidt

Syn.: Calicium alboatrum Flörke, Calicium claviculare Ach. var. pusillum Ach., Calicium culmigenum de Not. & Bagl., Calicium floerkei Zahlbr., Calicium italicum auct., Calicium nigrum Schaer., Calicium parasitaster (Bagl. & Carestia) Zopf, Calicium pusillum (Ach.) Flörke, Calicium subpusillum Vain., Chaenothecopsis alboatra (Flörke) Nádv., Chaenothecopsis parasitaster (Bagl. & Carestia) D. Hawksw, Chaenothecopsis subpusilla (Vain.) Tibell
Non- or doubtfully lichenised.
Substrate: lignum, ,
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 trunks of old conifers in ancient forests, and on lignum, sometimes on old oaks, perhaps a parasite of free-living algal colonies, or a saprophyte.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Glarus; Schwyz; France: Alpes-de-Haute-Provence; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Slovenia: Alpine and Pre-Alpine Slovenia;