Prescott, G. W. <br/><br/>
How to know the fresh-water algae  an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study 
[by] G. W. Prescott. 
 - Dubuque, Iowa  W. C. Brown Co.  [1964] 
 - 272 p.  illus.  22 cm. 
 - Pictured key nature series .
<br/><br/> 920313 
<br/><br/>Bibliography: p. 19-21. 
<br/><br/><label>LCCN: </label>64020452 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater algae--Identification.
<br/><br/><label>LC Class. No.: </label>QK567  / .P7 
<br/><br/><label>Dewey Class. No.: </label>589.3