Muenscher, Walter Conrad Leopold,    1891-1963. <br/><br/>
Aquatic plants of the United States /  
W. C. L. Muenscher 
 - Ithaca, N.Y. :    Comstock Pub. Co., inc.,    1944. 
 - x, 374 p. :    ill. ;    24 cm. 
 - Handbooks of American natural history ;    v. 4 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Freshwater plants -- United States.
<br/><br/><label>Dewey Class. No.: </label>581.92  MUE