Abstract:The Hengduan Mountains Region is a part of the Qinghai-Xizang Plateau and islocated in the east of Xizang, west of Sichuan and northwest of Yunnan provinces insouthwest China with a total area of c. 0.5 million square kilometers. During the revision of Taraxacum for Florae Reipublicae Popularis Sinicae, the author examined the specimens that deposited in the major herbaria of China. Eighteen species of Taraxacum was reported in this region.