- Project: Floral symmetry evolution in Krameria
- 2017 Jun. Texas, USA
- Project: Floral symmetry evolution in Malpighiaceae family
- 2016 May to Jun. Kenya
- 2015 Aug. Thailand
- Project: Plant resource survey of Vietnam
- 2013 Aug. Vietnam
- Project: Survey for compilation Flora of Pan-Himalaya
- 2012 Sep. Pakistan
- 2012 Aug. to Sep. Xinjiang Province, China
- 2012 Jun. to Jul. Pakistan
- Project: Plant resource survey of East Africa
- 2012 Aug. Kenya
- Project: Disjunctive distribution of seed plants from southwestern China to Taiwan
- 2011 Sep. to Oct. Sichuan, Yunnan, Hubei, Chongqing and Guizhou Province, China
- 2011 Aug. Tiber, Sichuan and Yunnan Province, China
- 2011 Jun. Taiwan
- Project: China germplasm bank of wild plants
- 2009 Sep. to Oct. Sichuan Province, China
- 2008 Aug. to Sep. Gansu Province, China