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Scientific Bulletin of Namangan State University

Abstract

The southwestern Gissar district is divided into 5 botanical and geographical regions: of these, the Surkhan-Sherabad botanical-geographical region is located between Surkhandarya and Sherabaddarya. Vegetation mainly reproduces on variegated and gypsum soils. The influence of anthropogenic factors on plant species in the flora of the Surkhan-Sherabad botanical and geographical region, as a result of endemic and rare species in the region, decreased and disappeared. A field study conducted in April 2019 revealed a small population of 16 bushes of Allium rhodanthum Vved. At the Kazakh cemetery in the Haudak Tau desert.

First Page

71

Last Page

75

References

1. Tojibayev K.Sh., Beshko N.Yu., Papov V.A.. Botaniko-geograficheskoye rayonirovaniye Uzbekistana.//Botanicheskiy jurnal 2016,№10. 2. Xasanov F.O. Endemichnie rasteniya yugo-zapadnix otrogov Gissarskogo xrebta//Uzb.biolog.jurn. 1990. № 3. S. 41-45. 3. Xasanov F.O. Flora Uzbekistana tom I - «Navruz» Tashkent 2017, S. 34 4. O‘zbekiston Respublikasi «Qizil kitobi».– Toshkent: Chinor ENK,2009.T.1.–86,178b. 5.www.ipni.org 6.wcsp.science.kew.org.

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