Prescott G W <br/><br/>
How to know the fresh water algae 
by Prescott G W 
 - Iowa  W M Brown       1954 
 - iii,211p.  cm. 
 - Pictured-Key Nature Series; 15 .
<br/><br/><label>Standard No.: </label>73745 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecological group plants
<br/><br/><label>Dewey Class. No.: </label>I9557-22:5, J4   CS