LICHALP

Toninia nordlandica Th. Fr.

Syn.: Lecidea subrimulosa Nyl., Toninia steineri Poelt & Vězda, Toninia subrimulosa (Nyl.) Zahlbr.

Lichenised.

Substrate: calciferous rocks, , 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: an arctic-alpine species found on steeply inclined to slightly underhanging seepage tracks of calciferous or basic siliceous rocks, almost always on cyanobacterial colonies, or on thalli of Placynthium, at least when young, mostly in upland areas.