Identifying a contact zone between two phylogeographic lineages of <i>Clematis sibirica</i> (Ranunculeae) in the Tianshan and Altai Mountains

Hong-Xiang ZHANG, Ming-Li ZHANG

Journal of Systematics and Evolution . 2012, (4): 295 -304 . DOI: 10.1111/j.1759-6831.2012.00198.x