On the presence of Cephalanthera caucasica (Orchidaceae) in Russia: rediscovery of a threatened orchid in the Republic of Dagestan
Journal: Nature Conservation Research
Year: 2023

Cephalanthera caucasica had been reported previously from the Samur Forest in Dagestan (Russia), but that report was considered doubtful: a possible misidentification of supposed hybrids between C. damasonium and C. longifolia as C. caucasica was speculated. Moreover, this species was recently reduced to a synonym of C. kotschyana in the «Plants of the World Online» database. In the present study, we did not confirm the presence of C. caucasica in the Samur Forest, but it was revealed in a few l