The first record of Anisocampium niponicum for the flora of Russian Federation

On the Krabbe peninsula (Khasansky District, Primorsky Krai, Russian Federation), a population of a new genus and species of fern for Russian Federation, Anisocampium niponicum (Mett.) Y. C. Liu, W. L. Chiou et M. Kato (Athyriaceae), was discovered. The description of plants and locality is given. A high vitality of the population was noted, which is associated with the absence of anthropogenic influence, as well as with the growth of A. niponicumunder conditions close to its ecological optimum.