LICHALP

Rhizocarpon norvegicum Räsänen

Lichenised.

Substrate: siliceous rocks, metal-rich siliceous rocks

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: a pioneer species of schistose, slightly calciferous or basic eruptive rocks in upland areas, which often starts the life-cycle on members of Acarosporaceae.