LICHALP

Arthonia reniformis (Pers.) Röhl.

Syn.: Arthonia gyrosa Ach., Naevia gyrosa (Ach.) A. Massal., Opegrapha reniformis Pers.

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 of smooth bark, especially of Carpinus, more rarely of Fagus and Corylus, in humid deciduous woodlands; from the Alps there are only scattered records.