The taiga forest is densely populated with spruces, firs, pines and larch. Pollen grains of pines, firs, and spruces are winged. It grows with willows and birches along waterways and in forests dominated by spruces. The forest in Kainuu mostly consists of birches, pines and spruces. Its typical habitat is boreal forests of pines, spruces and larches. Many species are pests of forest trees, especially pines and spruces. They are mixed with spruces, Swiss stone pines, and more rarely silver firs. Softwood is usually wood from gymnosperm trees such as pines and spruces. It was characterized by coniferous forests consisting mostly of pines, spruces and larches. The adjacent area is wooded, with century-old conifers, mainly spruces. Together with northern pines, northern spruces are commonly used to make NBSK. The taiga in the southern areas is composed mostly of pine trees and spruces. Pine forests are rich in spruces, which are permanently weakened by atmospheric factors. Spruces are cultivated over vast areas as pulpwood. White spruces are also common in this bog regime.