Arthonia dispersa (Schrad.) Nyl.

Arthonia dispersa (Schrad.) Nyl.

Syn.: Arthonia epipasta (Ach.) Körb., Arthonia minutula Nyl., Opegrapha dispersa Schrad., Opegrapha epipasta (Ach.) Ach.

Lichenised.

Substrate: bark

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a holarctic species found on smooth, nutrient-rich bark, e.g. of Fraxinus. It belongs to a difficult complex which still awaits elucidation.

Austria: Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Burgenland; Switzerland: Bern; Graubünden; Ticino; Vaud; France: Drôme; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;

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