Akhani, H. 1998: Plant Biodiversity of Golestan National Park, NE Iran.
Assadi, M. 1986: Plan of the Flora of Iran. –Tehran.
Dandy J. E. 1971: Potamogetonaceae in K. H. Rechinger (ed.) Flora Iranica no. 83. -Graz: Akademische Druck- und Verlagsanstalt.
Feinbrun-Dothan N. 1986: Flora Palaestina vol. 4: 7-10. -The Israel Academy of Sciences and Humanities.
Uotila, P. 1984: Potamogetonaceae in P. H. Davis (ed.) Flora of Turkey and the East Aegean Islands vol. 8: 17-24. -Edinburgh.
Yuzepchuk, S. V. 1968: Potamogetonaceae in V. L. Komarov Flora of the U. S. S. R. vol. 1: 230-265. -Leningrad.
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