Trees of Nigeria - Keay, R. W. J.; Keay, R. W. J. (Oxford : Clarendon Press ; New York : Oxford University Press, 1989)
"A revised version of Nigerian trees (1960, 1964) by R.W.J. Keay, C.F.A. Onochie, and D.P. Stanfield."
Includes index.
Keywords: Trees