
Fig. 4. Regional species diversity patterns of the subgenera within Nialoe s. lat., compiled from previous studies. A) Sphodroferonia; B) Nialoe s. str.; C) Koreonialoe and Subgenus A. The datasets and references used are provided in Supplementary Appendix 1. The maps were retrieved from a free map-providing site (https://d-maps.com) and modified using Adobe Illustrator v22.2.
