LICHALP

Rhizocarpon geographicum (L.) DC. subsp. arcticum (Runemark) Hertel

Syn.: Rhizocarpon tinei (Tornab.) Runemark subsp. arcticum Runemark

Lichenised.

Substrate: siliceous rocks

Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: an arctic-alpine lichen found on siliceous, exposed rocks, most common in the nival belt of the Alps.