LICHALP

Peltula obscurans (Nyl.) Gyeln.

Syn.: Acarospora collemacea Wedd., Acarospora subglebosa (Müll. Arg.) Hue, Endocarpiscon obscurans Nyl., Heppia acarosporoides Müll. Arg., Heppia collemacea (Wedd.) Boistel, Heppia deserticola Zahlbr., Heppia obscurans (Nyl.) Nyl., Peltula subglebosa (Müll. Arg.) Filson, Solorinaria collemacea (Wedd.) Gyeln.

Lichenised.

Substrate: siliceous rocks

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 steeply inclined seepage tracks of basic siliceous rocks in lowland areas; a southern species, often found together with P. euploca, but much less frequent, with a few records from the Western Alps and the inner xerothermic valleys.