The diatom flora of the marine littoral of South African coatal river estuaries is very superficially known. In a previous contribution (Giffen 1963) the author dealt with the diatoms of the Eastern Cape Province estuaries namely the Gulu River complex.
Reference:
Giffen, and, MH. 1966. Contributions of the Diatom flora of South Africa, Vol. 13(1-2), pp 244-303
Giffen, M. (1966). Contributions of the Diatom flora of South Africa. http://hdl.handle.net/10204/4854
Giffen, MH "Contributions of the Diatom flora of South Africa." (1966) http://hdl.handle.net/10204/4854
Giffen M. Contributions of the Diatom flora of South Africa. 1966; http://hdl.handle.net/10204/4854.