LICHALP

Porpidia hydrophila (Fr.) Hertel & A.J. Schwab

Syn.: Haplocarpon hydrophilum (Fr.) V. Wirth, Huilia hydrophila (Fr.) Hertel, Lecidea hydrophila Fr.

Lichenised.

Substrate: 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 species of the P. albocaerulescens-group with a bright aeruginose epihymenium and an exciple with a carbonaceous outer layer and a much paler, brown inner layer with easily visible hyphae; on damp siliceous rocks, often along streams; rare throughout Europe, most frequent in Western Europe at low elevations, with a few records from the Eastern Alps (Austria).