LICHALP

Calicium tigillare (Ach.) Pers.

Syn.: Acolium tigillare (Ach.) Gray, Cyphelium tigillare (Ach.) Ach., Cyphelium trachylioides auct. non (Nyl. ex Branth & Rostr.) Erichsen, Cyphelium viridescens auct., Lichen tigillaris Ach., Trachylia tigillaris (Ach.) Fr.

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 alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)

Note: a mainly boreal-montane, circumpolar lichen found on hard, dry wood, especially of conifers, on wooden fences and fence-posts, often together with Ramboldia elabens; widespread throughout the Alps.