1. Asaka, Y., Kubota, T., and Kulkarni, A. B. (1977). Studies on a bitter principle fromVernonia anthelmintica.Phytochemistry 16: 1838–1839.
2. Burkill, H. M. (1985).The Useful Plants of West Tropical Africa (2nd ed.),Vol. 1, Royal Botanic Gardens, Kew.
3. Dalziel, J. M. (1937). The useful plants of west tropical Africa. In Huchinson, J., and Dalziel, J. M. (eds.),Appendix to Flora of West Tropical Africa, Whitefriars Press, London.
4. Doyle, T. W., and Bradner, W. T. (1980). Trichothecanes. In Cassady, J. M., and Douros, J. D. (eds.),Anticancer Agents Based on Natural Product Models, Academic Press, New York, London, Toronto, Sydney, San Francisco, pp. 43–72.
5. Ganjian, I., Kubo, I., and Fludzinski, P. (1983). Insect antifeedant elemanolide lactones fromVernonia amygdalina.Phytochemistry 22: 2525–2526.