It is difficult to determine the date of birth of the interest in the charming and graceful world of flowers. It is beyond doubt, however, that their incredible magnificence and the diversity of their shapes and hues and their scent impact the feelings and thoughts of human beings. Some of these interesting plants that grow in natural habitats are entered in the Red Book of Bulgaria and their habitats are protected sites.
Lilium jankae - a perennial bulbaceous plant, found in grassy places and rocky meadows at an altitude between 1000 and 2500 m. Balkan endemic species.
Anemone narcissiflora - a perennial herbaceous plant, found in grassy and rocky places at an altitude between 1800 and 2750 m.
Tulipa urumoffii - a perennial bulbaceous plant, found in meadows with dry stony soils at an altitude between 50 and 700 m. Bulgarian endemic plant.
Aquilegia aurea - a perennial herbaceous plant, found in rocky places at an altitude between 1800 and 2500 m. Balkan endemic plant.
Paeonia peregrina Mill. - a widespread perennial herbaceous medicinal plant.
Geranium sylvaticum - a perennial herbaceous medicinal plant, very common in all Bulgarian mountains and with wide application in popular medicine.