Riemer, Donald N. <br/><br/>
Introduction to freshwater vegetation / 
Donald N. Riemer. 
 - New York :  Van Nostrand Reinhold,  1984. 
 - xi,207 p. :  ill. ;  23 cm. 
<br/><br/>Includes index and bibliography : p. 197. 
<br/><br/><label>ISBN: </label>0870554484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater flora.<br/>Aquatic weeds--Control.<br/>Freshwater ecology.