LICHALP

Inoderma byssaceum (Weigel) Gray

Syn.: Arthonia biformis (Flörke) Schaer., Arthonia byssacea (Weigel) Almq., Lecidea biformis Flörke, Pyrenothea biformis (Flörke) A. Massal., Pyrenothea byssacea (Weigel) A. Massal., Sphaeria byssacea Weigel

Lichenised.

Substrate: bark

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a mild-temperate species found on very old deciduous trees with acid bark (usually oaks) in open woodlands, often near rivers; most of the few records from the Alps are old.