Тне use of the species juncus l. From the south of the Tyumen region in clarification of the peculiarites of its phytostrome genesis

About the author:

Boris S. Kharitontsev, Dr. Sci. (Biol.), Senior Researcher, Tobolsk Complex Scientific Station of the Ural Branch of the Russian Academy of Sciences; xaritoncev52@mail.ru

Abstract:

The final stage of the phytostrome study is determination of its genesis. Genus Juncus L is a very suitable object for such study. The article offers a dichotomous key for the determination of the species Juncus L. in the south of the Tyumen region on the basis of herbarium materials. Some aspects of genesis of the phytostrome in the south of the region in question are examined with the use of areal, phytocoenotic and ecological features of the species Juncus L. The choice of this particular species for such type of study is justified due to several reasons: easy identification of species belonging to the genus Juncus L., their wide distribution in the region and a range of different kinds of geographical relationships. It has been discovered that the species of the genus Juncus L. in the south of the Tyumen region have closer links with the European part of Russia. Moreover, new species of the genus Juncus L. from the south of the Tyumen region have been described.

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