LICHALP

Bryoria positiva (Gyeln.) Bystrek

Syn.: Alectoria positiva (Gyeln.) Motyka, Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. var. positiva (Gyeln.) Brodo & D. Hawksw.

Lichenised. Poorly known taxon.

Substrate: bark, lignum

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: the differentation from B. fuscescens, based on a different chemistry, is not accepted by several authors.