Pediastrum privum (Printz) Hegewald (Chlorophyceae) in Lake Małe Zmarłe, northern Poland

This report on Pediastrum privum (Printz) Hegewald in Lake Małe Zmarłe (Tuchola Forest) is only the second for Poland and the first to describe its morphological variability in a natural population. This study was performed using light microscopy (LM) micrographs, together with data on its ecology.