LICHALP

Thelopsis rubella Nyl.

Syn.: Pyrenula bayrhofferi (Körb.) Hepp, Sagedia rubella (Nyl.) Jatta

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 mild-temperate species found on old deciduous trees (e.g. Fagus, Quercus), especially near the base of the boles, in areas with high rainfall; widespread, but generally rare in the Alps.