This paper contains descriptions of 28 taxa of planktonic algae distributed in four divisions (Euglenophyta, Chrysophyta, Pyrrophyta and Cyanobacteria) found in the Pampulha reservoir in Minas Gerais state. Samples from May/1992 to February/1997 were analyzed. The best represented division was Euglenophyta (13 species in one family), followed by Cyanobacteria (eight species), Pyrrophyta (five species) and Chrysophyta (two species). Twenty three taxa are reported for the first time to the State of Minas Gerais.
Taxonomy; Euglenophyta; Chrysophyta; Pyrrophyta; Cyanobacteria
