C. -mei Pan, Li, W., He, H., Deng, W. -qiu, Li, T. -hui, and Xu, H. -hua, ?[Study on intraspecific genetic diversity in different plant populations of Pogostemon cabli]?, Zhongguo Zhong Yao Za Zhi, vol. 31, pp. 723?6, 2006.

J.  Liu, Wang, L., Geng, Y., Wang, Q., Luo, L., and Zhong, Y., ?Genetic diversity and population structure of Lamiophlomis rotata (Lamiaceae), an endemic species of Qinghai-Tibet Plateau?, Genetica, vol. 128, pp. 385?94, 2006.