<p>Fossil records are updated based on LePage and Basinger [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0180979#pone.0180979.ref005" target="_blank">5</a>]; for updated fossil records, see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0180979#pone.0180979.s001" target="_blank">S1 Table</a>. Living distribution data are accessed through Chinese Virtual Herbarium (CVH) Data Portal (<a href="http://www.cvh.ac.cn/" target="_blank">http://www.cvh.ac.cn/</a>) (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0180979#pone.0180979.s002" target="_blank">S2 Table</a>). The map is generated by ArcGis v. 9.3 (<a href="http://www.arcgis.com/home/index.html" target="_blank">http://www.arcgis.com/home/index.html</a>).</p
