Flora
662 species of diatoms, 1260 species of vascular plants, more than 260 species of moss, 500 fungi and 160 lichens are currently known on Sar Mountain. The forests found in the park are broad-leaved, coniferous and mixed. About 75% of them are pure forests, consisting of one type of tree, mostly beech or oak. In addition to them, there are also other species such as: fir, chestnut, spruce, mountain maple, hornbeam and species with endemic and relic importance such as the Macedonian pine, the mountain pine, the mountain maple, etc.