Taxonomic Studies on some species of genus Huernia R.Br. (Asclepiadaceae) growing in AL-Taif Province, Saudi Arabia

The moss flora of Saint Katherine Protectorate, South Sinai, with eight new records

Mosses of the Egyptian conservation areas: III. Two new Pottiaceae records to Saint Catherine Protected Area and Egypt

Terminalioxylon edwardsii from the Oligocene of Egypt, with a review of the genus in Africa

Karyotypic studies of the genus Cuscuta L. (Convolvulaceae) in Saudi Arabia and their taxonomic significance