Mycosociological research in the Ficario-Ulmetum campesris association in the "Wielka Kępa Ostromecka" reserve on the Vistula river

In conneciton with the elaboration of ecological range of macrofungi in alluvial and alder forests in Poland, three-year mycosociological observations were made on two permanent plots laid out in the patches of the Ficario-Ulmetum campcstris association in the "Wielka Kępa Ostromecka" reserve near Bydgoszcz-Fordon on the Vistula river