LICHALP

Bactrospora dryina (Ach.) A. Massal.

Syn.: Arthonia dryina (Ach.) Jatta, Lecanactis dryina (Ach.) Vain., Lecanactis dryophila Lettau, Lecidea dryina (Ach.) Ach., Lichen dryinus Ach., Melaspilea patersonii Stirt.

Lichenised.

Substrate: bark

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)

Note: a mild-temperate to Mediterranean-Atlantic species found on bark of old, isolated deciduous trees, especially oaks, on faces which are seldom wetted by rain; rare, and certainly declining.