Esser, Karl,  1924- <br/><br/>
Cryptogams :  cyanobacteria, algae, fungi, lichens / 
 Cryptogams 
Karl Esser ; photographs : Dieter Graw ... [et al.] ; drawings : Hans-Jurgen Rathke ; English translation of the revised text by Michael G. Hackston and John Webster 
 - Cambridge :  Cambridge University,  1982 
 - xi, 610 p. :  ill. ;  24 cm. 
<br/><br/> 'Textbook and practical guide' at the top of the title page 
<br/><br/>Bibliography : p. 580-590 
<br/><br/><label>ISBN: </label>0521236215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptogams