Peltula patellata (Bagl.) Swinscow & Krog

Syn.: Acarospora patellata Bagl., Heppia polyspora Tuck., Peltula polyspora (Tuck.) Wetmore
Lichenised.
Substrate: acidic soil (mostly on siliceous substrata)
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: on soil in dry grasslands over siliceous substrata; very rare in the dry valleys of the Alps.
Switzerland: Valais; Italy: Liguria;