1. Tropical Soil Biology and Fertility—A Handbook of Methods;Anderson,1993
2. Functional markers in plants;Andersen;Trends Plant Sci.,2003
3. The ‘inner circle’ of the cereal genomes;Bolot;Curr. Opin. Plant Biol.,2009
4. Flora of Egypt. Vol. 1. Azollaceae – Oxalidaceae. AIHadara Publishing;Boulos,1999
5. Flora of Egypt Checklist;Boulos,2009