LICHALP

Lecidea exigua Chaub.

Syn.: Biatora decandollei Hepp, Biatora exigua (Chaub.) Fr., Biatora geographica A. Massal., Lecidea decandollei (Hepp) 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 to Mediterranean lichen found in very open woodlands, on smooth bark, especially on branches of deciduous trees; very rare in the Alps.