References
- Eames, A. J. and L. H. MacDaniels (1947). An Introduction to Plant Anatomy. McGraw-Hill Book Co., Inc., N.Y., 427 pp.
- Edwards, D. C. and A. V. Bogdan (1951). Important Grassland Plants of Kenya. Pitman and Sons, Nairobi., 124 pp.
- Esau, K. (1961). Anatomy of Seed Plants. John Wiley and Sons, Inc., N.Y., 376 pp.
- Johansen, D. A. (1940). Plant Microtechnique. McGraw-Hill Book Co., Inc., New York. 523 pp.