LICHALP

Tetramelas triphragmioides (Anzi) A. Nordin & Tibell

Syn.: Buellia triphragmia (Nyl.) Arnold var. rugulosa Bagl. & Carestia, Buellia triphragmioides Anzi, Diplotomma triphragmioides (Anzi) Szatala

Lichenised.

Substrate: lignum, plant debris

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: on the smooth bark of Alnus, Populus tremula, Salix, etc., more rarely of conifers; this species is characterised by the yellowish thallus, and the C+ reaction of the medulla.