Figure 1

Sampling sites and population numbers. Taxonomy follows the taxonomic concept adopted in the present article, population numbers in the main text are preceded by a letter according to taxonomy (a: C. aequitriloba, f: C. fragilis, h: C. hepaticifolia, m: C. muelleri, see Supplementary Table S1). Map generated from the altitude layer obtained from http://www.worldclim.org 132 and modified using QGIS v2.18.2133.