Саратовская область

On identification of some species of flowering plants on the territory of the Saratov region

Authors: Berezutsky M. A., Shilova I. V.

The objection is raised against the distortion by Bulany, Y. I. (2015) of the history of the study of vegetation in the Saratov region.

Characteristics of reproductive features Hedysarum grandiflorum (Fabaceae) in southern of the Volga Uplands

Authors: Lavrentiev M. V.

In field seasons 2007–2014 studies have been conducted reproductive scope Hedysarum grandiflorum which grows in the southern of the Volga Upland within the administrative borders of the Saratov region. The features, variability and the plasticity of phytocoenotic external morphological characters of pollen, fruits and seeds of sweetvetch are studied. Potential and real seed productivity are identified. The optimal temperature of sprouting of seeds and the dependence of sprouting and energy of sprouting of seeds from the keeping period are detected.

The study of Dactylorhiza populations on the left-bank side of the Volga region (the case of Saratov oblast)

Authors: Berezutsky M. A., Kharitonov A. N.

The presence of populations of Dactylorhiza Neck. ex Nevski genus on the left-bank side of the Volga region (Saratov oblast) is discussed. The article presents the accounts that have been available from the end of the XIX century to the present date of finding the species of the studied genus on the territory in question. In the course of research the authors of the present article have found D. incarnate (L.) Soo on the territory of Krasnokutskiy and Engelskiy districts of Saratov oblast.

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