Abstract: | The work was undertaken to investigate the mycoflora of Lake S̀niardwy and eighteen adjacent lakes. Samples of water were collected once a month (1984-1987) for hydrochemical analysis and studies of the fungi content. Forty species of fungi were found in lake S̀niardwy and 60 in other lakes. The following fungi unknown from Poland were found in these lakes: Olpidium endogenum, Olpidium granulatum, Dictyomorpha dioica, Phlyctochytrium aureliae, Rhizophydium planktonicum, Zygorhizidium melosirae, Cladochytrium polystomum, Blastocladia rostrata, Olpidiopsis achlyae, Olpidiopsis pythii, Lagenidium rabenhorstii, Pythiella vernalis, Achlya rodrigueziana, Anguillospora gigantea, Dimorphospora foliicola and Mycocentrospora aquatica. |