| Rhamnus thea Osbeck |
| S |
| Catherine area |
| CAI |
| CAI (0) |
| Za'roor زعرور |
| Egypt (EN- Endangered) |
| Boulos, L. 2000. Flora of Egypt, vol.2. Al Hadara publishing, Cairo, Egypt |
| Boulos, L. 2009. Flora of Egypt Checklist, Revised annotated edition, Al Hadara Publishing, Cairo, Egypt |
| El Hadidi, M.N.& Fayed, A. 1994/95. Materials for Excursion Flora of Egypt (EFE). Taeckholmia 15 |
| El Hadidi, M., Abdel Ghani, M. and Fahmy, A.G. 1992. The plant red data book of Egypt. 1. woody perennial.Palm Press and Cairo University Herbrium. Cairo, Egypt |