| CAI (Di-Dg-S) |
| CAI |
| CAI (2) |
| Egypt (VU- Vulnerable) |
| El Hadidi,M.N.& Hosni,H.A.(2000). Conservation and threats in M.N.El Hadidi,vol.1(1):105-151.Palm press and Cairo University Herbarium. |
| El Hadidi,M.N.& Fayed,A.(1994-95).Materials for Excursion Flora of Egypt.Taeckholmia 15:190. |
| Boulos, L. 2009. Flora of Egypt Checklist, Revised annotated edition, Al Hadara Publishing, Cairo, Egypt |
| Boulos, L. and Hind, D. 2005. Compositae in L. Boulos. Flora of Egypt, vol. 3. Al Hadara publishing, Cairo, Egypt |
| Täckholm, V. 1974. Students' Flora of Egypt ed.2. Cairo University |