1. ; , Flora of China, 1st fascicle, Vol. 42, Science Press, Beijing, 1999, p. 180 (in Chinese).
2. Committee of National Chinese Medical Management Bureau of Chinese Herbs, Chinese Herbs, Shanghai Science and Technology Press, Shanghai, 1999, p. 519 (in Chinese).
3. Jiangsu New Medical College, A Dictionary of Traditional Chinese Medicine, 1st fascicle, Shanghai Science and Technology Press, Shanghai, 1985, p. 4153 (in Chinese).
4. Chinese Pharmacopoeia Committee, Chinese Pharmacopoeia, Vol. 1, Chemical Industry Press, 2005, p. 104 (in Chinese).
5. Coumestans from Hedysarum multijugum