Bacidina egenula (Nyl.) Vězda

Syn.: Bacidia egenula (Nyl.) Arnold, Bacidia epiphylla Wheldon & Travis, Bacidia genuensis B. de Lesd., Bacidia mediterranea B. de Lesd., Bacidia sbarbaronis B. de Lesd., Lecidea egenula Nyl.
Lichenised.
Substrate: siliceous rocks, lignum
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a mild-temperate to humid subtropical species, most common on pebbles over moist ground in areas with siliceous substrata; from the Alps there are only a few scattered records.
Austria: Kärnten; Steiermark; Oberösterreich; France: Haute-Savoie; Var; Italy: Lombardia; Liguria;