Cryptogams : cyanobacteria, algae, fungi, lichens - Esser, Karl, 1924-; Graw, Dieter; Rathke, Hans-Jurgen; Hackston, Michael G.; Webster, John (Cambridge : Cambridge University, 1982)
'Textbook and practical guide' at the top of the title page
Bibliography : p. 580-590
Keywords: Cryptogams