| How to cite this article:
Hashem Al-Sheikh and Hani M.A. Abdelzaher, 2012. Materials for Pythium Flora of Saudi Arabia (I) Occurrence, Pathogenicity and Physiology of Reproduction of Pythium aphanidermatum (Edson) Fitzp. Isolated from North and East Regions of Saudi Arabia. Research Journal of Microbiology, 7: 82-100.