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. 2018 Dec 21;9:5433. doi: 10.1038/s41467-018-07920-5

Fig. 2.

Fig. 2

Population structure of global barley accessions. Hpu H. pubiflorum, Hsp H. spontaneum, Hag H. agriocrithon, western: landraces in clade/cluster I, eastern landraces in clade/cluster II, TWB Tibetan weedy barley. a Neighbor-joining clustering based on genetic distance. b Principal component analyses. c Global distribution of barley clade/clusters revealed by (a, b). d Individual ancestry coefficients from K = 2 to K = 9. The red blocks below the plots correspond to the different barley types. c was generated in R (V3.4.3) using packages maps, maptools, plyr, ggrepel, and ggplot2. Geographic information data were obtained from Global Administrative Areas database (GADM V2.8, November 2015). Source data are provided as a Source Data file