Swingle, Deane B <br/><br/>
Textbook of systematic botany 

 - 2 
 - McGraw-Hill Book Co., New York  1934 
 - 246 
 - .
<br/><br/>  
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants-- Botany
<br/><br/><label>Dewey Class. No.: </label>580  SWI-T3