1. ‘A Dictionary of the Families and Genera of Chinese Seed Plants’, 2nd edn., Science Press, Beijing, 1982.
2. Jingsu College of New Medicine, ‘A Dictionary of the Traditional Chinese Medicines’, 1977, p. 7, 154, 549, 1152, and 2349.
3. ‘Flora Xizangica’, Science Press, Vol. 4, p. 836, Beijing, 1985.
4. Institute of Materia Medica, Chinese Academy of Medical Sciences, ‘Zhong Yao Zhi (II)’, 1st edn., People's Hygiene Publisher, Beijing, 1985, p. 204.
5. New Sesquiterpenes from the Roots ofLigularia dentata