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. 2015 Mar 25;115(2):153–164. doi: 10.1038/hdy.2015.19

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Copyright © 2015 The Genetics Society

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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Analysis of population structure in the P. glauca × P. engelmanni hybrid zone. (a) Posterior estimates of cluster membership for K=2 in TESS based on 10 SSR markers. Populations are ordered by decreasing latitude from left to right. Population names corresponding to two- or three-letter codes can be found in Table 1. (b) Plot of first two principal coordinates (PC1 and PC2) based on Nei's genetic distances among populations. Circles represent P. engelmannii populations; triangles, hybrid populations; and a cross, a pure P. glauca population. (c) Geographical distribution and degree of admixture for populations of P. glauca, P. engelmannii and their hybrids. Black circles represent P. engelmannii and gray circles, P. glauca populations. Bi-color circles represent hybrid populations.