Polypore (Basidiomycetes) species richness and community structure in natural boreal forests of NW Russian Karelia and adjacent areas in Finland /
by Mariko Lindgren.
-- Helsinki : Finnish Zoological and Botanical Piblishing Board, 2001
- 41 p. --
(Acta Botanica Fennica, ISSN 0001-5369 ; 170).