Lewis, B.A., Phillipson, P.B., Andrianarisata, M., Rahajasoa, G., Rakotomalaza, P.J., Randriambololona, M. and Mcdonagh, J. (1996) A study of the botanical structure, composition, and diversity of the eastern slopes of the Reserve Naturelle Integrale d'Andringitra, Madagascar. Fieldiana, 85. pp. 24-71.