Wei Zhaofen (Wei Chao-fen); Bruce Bartholomew. "Hydrangea longifolia". Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 19 May 2017.
ntu.edu.tw
tai2.ntu.edu.tw
Kao, Muh-Tsuen (1993). "Saxifragaceae". Flora of Taiwan. Vol. 3 (2nd ed.). Taipei, Taiwan: Editorial Committee of the Flora of Taiwan, Second Edition. p. 50. Retrieved 19 May 2017.