- Ernst E. (2007). A re-evaluation of kava (Piper methysticum). British journal of clinical pharmacology, 64(4), 415–417
- A. F. Showman, J. D. Baker, C. Linares, C. K. Naeole, R. Borris, E. Johnston, J. Konanui, H. Turner, Contemporary Pacific and Western perspectives on `awa (Piper methysticum) toxicology,
Fitoterapia, Vol 100, 2015, pp56-67 - Y. N. Singh, Kava: An overview, Journal of Ethnopharmacology, 37 (1992) 13-45
- McKey, D., Elias, M., Pujol, B. and Duputié, A. (2010), The evolutionary ecology of clonally propagated domesticated plants. New Phytologist, 186: 318-332
- Singh, Yadhu N. “Kava: An Old Drug in a New World.” Cultural Critique, no. 71, 2009, pp107–128
- Lebot, V. (1992). Genetic Vulnerability of Oceania’s Traditional Crops. Experimental Agriculture, 28(3), 309-323
- Piper methysticum, Science Direct online resource
See full list of Individual Species References.
Please also refer to the General Bibliography and Online Resources.