​The lower parts of fells often consist of northern coniferous forest. Spruce can be found growing in wet regions, whereas pines dominate dryer areas. In the northernmost parts of Lapland, the lower parts of fells are dominated by mountain birch. The mountain birch is a variation of the white birch that grows low and curved trunks. It has adapted to the harsh conditions of the northern fells.

A forest of mountain birch.

A number of sprigs, such as crowberries and dwarf birch, as well as lichens, grow near the ground level of northern mountain birch forests. Above the mountain birch forests, only individual trees and small sprigs can be found. No trees grow on the high and flat fell summits.

Fell vegetation changes according to elevation. Joatka, Norway.