Benson, Lyman  <br/><br/>
Plant taxonomy :   methods and principles / 
Lyman  Benson 
 - New York :  The Ronald Press Co.,  1962. 
 - ix, 494 p. :  ill. ;  24 cm. 
 - A Chronica botanica publication .
 - A Chronica botanica publication .
<br/><br/>Include Bibliography and Index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants
<br/><br/><label>Dewey Class. No.: </label>580.12  / BEP 1962