| Title | Author | Publication Date | Publisher | Type |
| Appraisal into Phytochemistry and Taxonomy of an Old Plant Collection from The Middle East
| Sayed, O. H. [اسامة هنداوي سيد] | 1997 | Qatar University | Article |
| Condition and trend of a depression-type habitat In rainfed desert rangelands of Qatar In response to fertilizer application
| Sayed, O. H. [اسامة هنداوي سيد] | 1994 | Qatar University | Article |
| Ecophysiological Characteristics, Distribution, and Nutritional Value of Desert Range Plants in Qatar
| Sayed, O. H. [اسامة هنداوي سيد] | 1993 | Qatar University | Article |
| Edaphic Gradients And Species Attributes Influencing Plant Distribution In Littoral Salt Marshes Of Qatar
| Sayed, O. H. [اسامة هنداوي سيد] | 1994 | Qatar University | Article |
| Effects of the expected sea level rise on avicennia marina L: a case study in Qatar
| Sayed, O. H. [اسامة هنداوي سيد] | 1995 | Qatar University | Article |
| Nature Of The Aflatoxin B, - Induced Inhibition Of Photosynthesis In Chlorella Fusca (Chlorococcales, Chlorophyta)
| Sayed, O. H. [اسامة هنداوي سيد]; Wilson, S. | 1994 | Qatar University | Article |
