Higher macroscopic fungi in the oak-hornbeam forests of the central Poland

In 1966-70 the author has investigated macroscopic fungi in the association Tilio-Carpinetum Tracz 1962 and Potentillo albae-Quercetum Liob. 1933 of nature reserves in the central Poland. Aspecial method of exploration was employed by introduction of frequency grades considered as a relation between the phytosociological constancy and the periodicity of fruitbodies occurrence. The results are ilustrated by five tables. The evidence matter includes 532 species of fungi.