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. 2020 Aug 19;10:13995. doi: 10.1038/s41598-020-70842-0

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© The Author(s) 2020

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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(a) Neighbor-joining tree constructed using Molecular Evolutionary Genetics Analysis (MEGA) X (https://www.megasoftware.net/), and (b) plots of PC1 and PC2 from principal component analyses of 1,347 single plant DNA samples in Set-2 based on 46,818 SNPs. In both figures, samples belonging to the same group have the same font color: O. glaberrima (red), O. barthii (blue), O. sativa adapted to the upland ecology (pink) and lowland ecology (black). See Supplementary Table S1 for group membership and Supplementary Table S8 for genetic distance matrices.