1. Nyazema ZN: Ethnobotany and tradition medicinal practice in Zimbabwe. Zimbabwe Science News. 1996, 30: 104-109.
2. Njoroge GN, Bussmann RW, Gemmill B, Newton LE, Ngumi VW: Utilization of weed species as sources of traditional medicines in Central Kenya. Lyonia. 2004, 7: 71-87.
3. Gemedo-Dalle T, Maass BL, Isselstein J: Plant biodiversity and ethnobotany of Borana pastoralists in Southern Oromla, Ethiopia. Econ Bot. 2005, 59: 43-65. 10.1663/0013-0001(2005)059[0043:PBAEOB]2.0.CO;2.
4. Cox AP, Balick JM: Ethnobotanical research and traditional health care in developing countries. Plants, people and culture. 1996, New Work: W.H. Freeman and Co
5. Flaster T: Ethnobotanical approaches to the discovery of bioactive compounds. Progress in new crops: Proceedings of the third national symposium. New crops: New opportunities, new technologies: 22-25 October 1995; Indianapolis. Edited by: Janick E. 1996, Alexandria: ASHS Press, 561-656.