Medicinal source:

Eisenberg, D.M., et al. (2011). Developing a Library of Authenticated Traditional Chinese Medicinal (TCM) Plants for Systematic Biological Evaluation: Rationale, Methods and Preliminary Results from a Sino-American Collaboration. Fitoterapia. 82: 17-33. [MPNS is grateful to Patricia van Eijndthoven for providing the data from this reference.]