New and rare species of fam. Cruciferae for the flora of the Russian Far East

The study is devoted to clarifying the geographical distribution of Barbarea arcuata, Camelina silvestris, Hesperis pycnotricha, Turritis borealis, and Velarum tzvelevii within the Russian Far East. With the exception of Turritis borealis, all the species are genetically elements of European flora. The results of this work are based on an analysis of the geographical distribution of the presented species and on a review of herbarium materials on them in Eastern Europe, the Caucasus, Siberia, Middle Asia, Kazakhstan and the Far East from the collections of LE.