Cryptogamous plants in the forest communities of Białowieża National Park : functional groups analysis and general synthesis (Project CRYPTO 3) / edited by J.B. Faliński and W. Mułenko, with co-operation of T. Majewski ; authors, A. Bujakiewicz ... [et al.]. Vol. 8/6, 6: Cryptogamous plants in the forest communities of Białowieża National Park, 1996   .  Warszawa-Bialowieża :  Polish Botanical Society,  1996 . 224 s., VIII s. barev. map
http://www.mindstorm.pl/_projekty/bsg/_file/214.pdf