“…Although intensive investigations have been carried out dealt with desert algal flora of different geographical territories in Egypt (Kobbia and El-Batanouny, 1975 in Wadi El-Natrun; Shaaban and El-Habibi, 1978 in Kharga Oasis; Hamouda, 1981 in Northern Coastal Desert;Salama and Kobbia, 1982 in Lybian Desert;Kobbia, 1985 in limestone desert of Cairo-Suez Road; Shaaban, 1985 in Siwa Oasis; Kobbia and Shabana, 1988 in Bahariya Oasis;El-Awamri et al, 1996 in Saint Catherine region;Shaaban and Hamed, 1997 in El-Arish Valley of North Sinai;Shaaban et al, 1997 in Hammam Faroun Spring, South Sinai;El--204 -Otify and Mahalel, 2000 in Wadi Allaqi South Eastern Desret;Shaaban et al, 2000 in Burg El-Arab;Hamed, 2001 in Wadi Gharandel of Southwest Sinai, Ibrahim, 2002 in Wadi Araba Eastern Desert), no particular attention focused on the algal flora inhabiting Wadi El-Taal desert which is the aim of this study.…”