| Peer-reviewed journals |
| Hassan, N; Hartmann, HEK; Liede-Schumann, S: Conspectus of Aizoaceae, Gisekiaceae and Molluginaceae of Egypt and the Sudan, Feddes Repertorium, 116, 1-42 (2005) -- Details |
| Hassan, N; Meve, U; Liede-Schumann, S: Seed coat morphology of Aizoaceae-Sesuvioideae, Gisekiaceae and Molluginaceae, and its systematic significance, Botanical Journal of the Linnean Society, 148, 189-206 (2005) -- Details |
| Hassan, N; Thiede, J; Liede-Schumann, S: Phylogenetic analysis of Sesuvioideae (Aizoaceae) inferred from nrDNA internal transcribed spacer (ITS) sequences and morphological data, Plant Systematics and Evolution, 255, 121-143 (2005) -- Details |
