Riemer, Donald N. <br/><br/>
Introduction to freshwater vegetation / 
Donald N. Riemer. 
 - New York :  Avi,  1984. 
 - 207 pages. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0870554484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>freshwater floraaquatic weeds--Control.<br/>Freshwater ecology.<br/>freshwater vegetation.<br/>Freshwater ecology.