LICHALP

Parmeliopsis ambigua (Hoffm.) Nyl.

Syn.: Foraminella ambigua (Hoffm.) S.L.F. Mey., Lichen ambiguus Wulfen nom.illeg., Parmelia ambigua (Hoffm.) Ach., Parmelia diffusa auct. non (Hoffm.) Sandst., Parmelia subsoredians Nyl., Parmeliopsis diffusa auct., Parmeliopsis subsoredians (Nyl.) Nyl., Squamaria ambigua Hoffm.

Lichenised.

Substrate: bark, lignum, rocks

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) 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 basal parts of trunks, especially of conifers, with a long snow cover; widespread and common in the Alps, with optimum in the subalpine belt.