LICHALP

Bacidia arceutina (Ach.) Arnold

Syn.: Bacidia leightoniana (Larbal. ex Leight.) H. Olivier, Biatora luteola (Schrad.) Fr. var. fuscella (Fr.) Th. Fr., Lecidea arceutina (Ach.) Gray, Lecidea leightoniana Larbal. ex Leight., Lecidea luteola (Schrad.) Ach. var. arceutina Ach., Lecidea luteola (Schrad.) Ach. var. fuscella Fr.

Lichenised.

Substrate: bark, calciferous rocks, living mosses

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)

Note: a mild-temperate to humid subtropical species found on bark of broad-leaved trees (especially Acer, Fraxinus and Populus) in open woodlands near rivers, very rarely calcicolous or muscicolous; widespread throughout the Alps.