LICHALP

Bacidia rubella (Hoffm.) A. Massal.

Syn.: Bacidia luteola auct., Biatora luteola auct., Lecidea luteola auct., Lichen luteolus Schrad. nom.illeg., Verrucaria rubella Hoffm.

Lichenised.

Substrate: bark

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: a temperate lichen found on old trees, especially oaks, still widespread, but probably declining, with optimum in the submediterranean belt; widespread throughout the Alps, but generally not very common.