1. "Bot. J. Linn. Soc." 181, "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV." 1 (2016)
2. M. Abdelaal, M. Fois, G. Fenu, et al. "Phytotaxa." 360, "Critical checklist of the endemic vascular plants of Egypt." 19 (2018)
3. M. Abdelaal, M. Fois, G. Fenu, et al. "Appl. Geogr." 119, "Biogeographical characterisation of Egypt based on environmental features and endemic vascular plants distribution." a102208 (2020)
4. C. Aedo, L. Medina, M. Fernández-Albert, "Nordic J. Bot." 31, "Species richness and endemicity in the Spanish vascular flora." 478 (2013)
5. S. A. Aouadj, Y. Nasrallah, O. Hasnaoui, et al. "Agrobiologia." 10, "La flore rare, endémique et menacée des Monts de Saida (Algérie)." 1986 (2020)