LICHALP

Alyxoria culmigena (Lib.) Ertz

Syn.: Opegrapha atrorimalis Nyl., Opegrapha betulina Sm. non Pers., Opegrapha culmigena Lib., Opegrapha herbarum Mont., Opegrapha turneri Leight., Opegrapha varia Pers. var. herbarum (Mont.) Källsten

Lichenised.

Substrate: bark, plant debris

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: usually on bark of broad-leaved trees, but also on coarse debris like stems of larger herbs; mostly at low altitudes in areas with mild winters.