Flagellate pediastrum species from jalgaon district, Maharashtra

While studying the Chlorococcalean algae from polluted and unpolluted habitats of Jalgaon district, Maharashtra, the authors collected 16 taxa of Pediastrum Meyen, out of which, two motile colonial taxa viz. Pediastrum duplex Meyen var. reticulatum Lagerheim and Pediastrum simplex Meyen var. duodenarium (Bailey) Rabenh. were collected from Tapi river near Bhusawal city and Girna river near Jalgaon city. The marginal cell tips of these species were with two thin flagella, which were not reported earlier. The detail description, ecological notes and illustrations of these species have been presented in present paper.