LICHALP

Pterygiopsis affinis (A. Massal.) Henssen

Syn.: Enchylium affine A. Massal., Enchylium flageyi Harm., Enchylium rubbianum A. Massal., Forssellia affinis (A. Massal.) Zahlbr., Forssellia flageyi (Harm.) Zahlbr., Heppia purpurascens (Nyl.) Nyl., Lecanora purpurascens Nyl.

Lichenised.

Substrate: calciferous rocks, siliceous rocks

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: on periodically wetted surfaces of calcareous or siliceous rocks, especially along sun-exposed seepage tracks.