Pollen Atlas of the flora of Egypt 5. Species of Scrophulariaceae

Pollen Atlas of the Flora of Egypt 3. Taxa of Pteridophyta and Gymnospermae

Malvaceae in the flora of Egypt 2. Pollen morphology and its taxonomic significance

Pollen Atlas for the Flora of Egypt 1. Centaurea L. and allied genera, Compositae

On the fossil flora of Jebel Qatrani area, Fayum, Egypt

Pollen Atlas of the Flora of Egypt. 2. Species of Polygonaceae*

Pollen grain diversity and application in taxonomy and evolution

The developmental phases of plant taxonomy and floristic studies in Egypt

Nutlet morphology and its taxonomic implication in some taxa of Lamiaceae in Egypt

Palynological study on some species of Convolvulaceae and its taxonomic significance