Weatherwax, Paul. <br/><br/>
Plant biology 

 - 2 ed. 
 - Philadelphia :  Saunders,  1947 
 - 451 p.  : ilus. 
<br/><br/><label>LCCN: </label>53231 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botánica.
<br/><br/><label>Dewey Class. No.: </label>580  / W4