چكيده لاتين :
Five aquatic sites of National Botanical Garden of Iran monthly were
sampled from December 2003 through November 2004. 68 genera and
species of 10 families and 6 orders of the planktonic Chlorophyceae were identified. Among the families Desmiduceae with 22 genera and species showed the highest species richness. Scenedcsmaceae (15 species) and Oocystaceae (14 species), Hydrodictvaceae (7 species), Ulotrichaceue (3 species), Zygnemaraceae (2 species), Volvocaceae (2 species) and Cladophoraccae, Ocdagoniaceae and Trcntephliaceae each with I species respectively presented in the studied sites. High population densities of species were observed in the warm months.
