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. 2019 Sep 10;9:12991. doi: 10.1038/s41598-019-49417-1

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Global biodiversity hotspots, phytogeographic regions and areas of endemism in Iran. (a) Topographic map of Iran and adjacent regions showing the Irano-Anatolian and the Caucasus biodiversity hotspots. (b) Topographic map of Iran indicating phytogeographical regions (Irano-Turanian region indicated as yellow shaded area, the Saharo-Sindian region and the Euro-Siberian region indicated as unshaded areas south and north, respectively, of the Irano-Turanian region) and areas of endemism, well associated with high mountain ranges of Iran (indicated by outlines and their names).