LICHALP

Calicium trabinellum (Ach.) Ach.

Syn.: Calicium adspersum Pers. var. roscidulum (Nyl.) Harm., Calicium adspersum Pers. var. trabinellum (Ach.) Schaer., Calicium incrustans Körb., Calicium roscidulum Nyl. ex F.Wilson, Calicium validiusculum Trevis., Calicium xylonellum Ach. var. trabinellum Ach.

Lichenised.

Substrate: lignum, bark

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)

Note: a holarctic, temperate to boreal-montane species found on hard wood, especially on old, decorticated stumps of conifers, more rarely of deciduous or even evergreen broad-leaved trees (e.g. Quercus ilex in montane Mediterranean forests); widespread throughout the Alps.