Krizmanić, J., Jakovljević, O., Vidaković, D. and Jovanović, J. (2016) First record of the genus Decussata (Patrick) Lange-Bertalot (Bacillariophyta) in Serbia – distribution of the rare species D. hexagona (Torka) Lange-Bertalot Botanica Serbia 40(2): 161-165