 Among the rare and endemic vascular plants are European blueberry ("Vaccinium myrtillus"), "Aquilegia aurea", great yellow gentian ("Gentiana lutea"), golden root ("Rhodiola rosea"), edelweiss ("Leontopodium alpinum") and Pirin poppy ("Papaver degenii").About 60% of the reserve is covered by forests, consisting mainly of Macedonian pine ("Pinus peuce") and Bosnian pine ("Pinus heldreichii").Other tree species are Scots pine ("Pinus sylvestris"), black pine ("Pinus nigra"), Norway spruce ("Picea abies") and European silver fir ("Abies alba").