Lichen ecology / 
edited by Mark R. D. Seaward. 
 - London :  Academic Press,  1977. 
 - x, 550 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>ISBN: </label>0126343500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lichens.<br/>Botany--Ecology.