Lichinella heppii (Müll. Arg.) P. Clerc & Cl. Roux

Syn.: Gonohymenia heppii (Müll. Arg.) Henssen, Omphalaria heppii Müll. Arg., Thyrea heppii (Müll. Arg.) Lettau
Lichenised. Poorly known taxon.
Substrate: calciferous rocks, siliceous rocks
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 critical taxon, purported to be most frequent in humid stands by rivers. The type is from France: ""sandstone boulders along the Arve near Mornex"".
Switzerland: Valais; France: Haute-Savoie;