Research Article
Contributions to the Pollen Morphology of Genus Astragalus L. (Fabaceae) and its Taxonomic Implications
Department of Biology, Faculty of Science, Northern Border University, Arar, Saudi Arabia
Ahmed Kamal El-Deen Osman
Department of Botany, Faculty of Science, South Valley University, Qena, Egypt
Arbi Guetat
Institute of Applied Science and Technology, Tunis Carthage University, Tunisia