1. Aketch, C.A., 1992. A preliminary survey of the conservation status of some plant species in Kenya. In: Edwards, S., Asfaw, Z. (Eds.), The Status of Some Plant Resources in Parts of Tropical Africa. Botany 2000: East and Central Africa. NAPRECA Monograph Series No. 2. NAPRECA, Addis Ababa University, Addis Ababa, pp. 57–65.
2. A new antibiotic nortriterpene quinone methide from Maytenus catingarum;Alvarenga;Journal of Natural Products,1999
3. Beentje, H., 1994. Kenya Trees, Shrubs and Lianas. National Museums of Kenya, Nairobi.
4. Cole, M.D., 1992. The significance of the terpenoids in the Labiatae. In: Harley, R.M., Reynolds, T. (Eds.), Advances in Labiatae Science. Royal Botanic Gardens, Kew, pp. 315–324.
5. Cotton, C.M., 1996. Ethnobotany: Principles and Applications. Wiley, Chichester.