Muenscher, Walter Conrad Leopold,  1891-1963. <br/><br/>
Aquatic plants of the United States, 

 - Ithaca, N.Y.,  Comstock publishing company, inc.,  1944. 
 - 374 p. cm. 
<br/><br/><label>LCCN: </label>44009447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater flora--United States.
<br/><br/><label>LC Class. No.: </label>QK105  / .M8