Fouad, A., R. Hafez, and R. Hamdy, "Authentication of Cordia dentata Poir. Growing in Egypt using ISSR and DNA barcoding", bioscience reseach, vol. 16, issue 2, pp. 1474-1484, 2019.
Moustafa, A., A. G. Fahmy, and R. S. Hamdy, "Archaeobotanical Study at the Early Dynastic Cemetery in Helwan (3100–2600 BC), Egypt: Plant Diversity at Early Dynastic Memphis", Plants and People in the African Past, Cham, Springer, 2018.
Hamdy, R., and A. G. Fahmy, "Study of plant remains from the embalming cache KV63 at Luxor, Egypt", Plants and people in the African past, Cham, Springer, 2018.
Soliman, A. T., R. S. Hamdy, and A. B. Hamed, "Ludwigia stolonifera (Guill. & Perr.) PH Raven, insight into its phenotypic plasticity, habitat diversity and associated species", Egyptian Journal of Botany, vol. 58, issue 3, pp. 605-626, 2018.
amer, W., R. Hamdy, and R. Mahdy, "Leaf micromorphological features of the genus Cordia L. (Boraginaceae) from Egypt", Bangladesh Journal of Plant Taxonomy, vol. 23, issue 2, pp. 119-131, 2016.
Amer, W. M., R. S. Hamdy, and A. B. Hamed, "Macro-and micromorphological variations of Ludwigia stolonifera (Guill. & Perr.) PH Raven in Egypt and its taxonomic assessment", Egypt Journal of Botany, pp. 11-12, 2016.
Mahdy, M., R. Hamdy, L. M. Mohsen, and A. Badr, "Description of seed and pollen micromorphology and their taxonomic impact in some Solanum L. species", Taeckholmia, vol. 39, pp. 1-17, 2019.
Atallah, M., M. Tolba, R. Hamdy, and F. Darius, "Phyto-religious Symbolism in the Funerary Banquet Scene of the Tomb of Sennedjem (TT1) at Deir el-Medina", مجلة کلية الآثار. جامعة القاهرة, vol. 12, issue 2022, pp. 227-245, 2022.
Nour, I. H., R. S. Hamdy, A. K. Osman, and M. O. Badry, "Palynological study of Allium L. (Amaryllidaceae) in the flora of Egypt", Palynology, pp. 1-15, 2022.
Waly, N., H. Moustafa, and R. Hamdy, "Anatomical Studies on the Genus Terminalia L.(Combretaceae) in Egypt I-Leaf Structure", Egyptian Journal of Botany, vol. 60, issue 3, pp. 641-657, 2020.