Distribution of <i>Iris tenuifolia</i> Pall. in the Volgograd Region and the basic methods its preservation
The paper considers the first stage of monitoring studies. The results cover the study of distribution and habitat conditions of <i>Iris tenuifolia</i> Pall. «in situ», the possibility of culture of isolated embryos to maintain rare and dissapearing species of iris in the culture «in vitro».