1. C. A. Agardh, 1824 . Systema Algarum . Li tens Berlingianis, Lundae, pp.76 .
2. H. C. Bold, and M. J. Wynne, 1978 . Introduction to the Algae. Structure and Reproduction . Prentice Hall, Englewood Cliffs, New Jersey, 706 pp.
3. Light and electron microscope observations on the vegetative and reproductive structures of Bryopsis hypnoides
4. F. Cohn, 1855 . Uber die Fortpflanzung von Sphaeroplea annulina . Monatsber. der Konigl. Akad. Wiss.Berlin, pp.335 -51 .
5. A. Engler, and K. Prantl, 1897 . Die naturlichen Pflanzenfamilien . Verlag von Wilhelm Engelmann, Leipzig, vol. 1 , pp.121 -2 .