LICHALP

Calicium salicinum Pers.

Syn.: Calicium hyperellum (Ach.) Ach. var. salicinum (Pers.) Schaer., Calicium lichenoides (L.) Schumach., Calicium sphaerocephalum (L.) Ach., Calicium sphaerocephalum (L.) Ach. var. xylonellum (Ach.) Wahlenb., Calicium trachelinum (Ach.) Ach., Calicium xylonellum Ach.

Lichenised.

Substrate: lignum, bark

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 holarctic, temperate species, most frequent on dry parts of the boles of deciduous, acid-barked trees, but also on lignum (fence-posts, decorticated stumps); widespread throughout the Alps.