LICHALP

Arctoparmelia incurva (Pers.) Hale

Syn.: Lichen incurvus Pers., Parmelia incurva (Pers.) Fr., Parmelia multifida auct., Xanthoparmelia incurva (Pers.) Hale

Lichenised.

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

Note: a circumpolar, arctic-alpine to boreal-montane species found on steeply inclined, hard, acid siliceous rocks in cold, wind-exposed mountain summits and boulder fields; rare in the Alps, and distribution insufficiently documented.