To distribution of Iris sibirica L. in the territory of Perm region

New habitats of Iris sibirica L (Iridaceae) in the territory of Perm region are considered. Species is included in the Red Book of Perm region. Data on distribution of a protected species in the territory of the region are provided in the past and now. Two populations of Iris sibirica L are described in the territory of the protected landscape of regional value «Ust-Kachkinsky». Recommendations about preservation of a rare species are offered.