Additional file 6: of Nunataks or massif de refuge? A phylogeographic study of Rhodiola crenulata (Crassulaceae) on the world’s highest sky islands

Figure S3. Historical demography for overall populations and in each clade based on the plastid DNA dataset. Clade I and clade II correspond to the groups in the Bayesian phylogenetic tree in Fig. 4a. Mismatch distribution showing histogram of observed mismatch frequencies and best-fit curve of the sudden expansion model. (TIF 2056 kb