Stebbins, G. Ledyard  . <br/><br/>
Variation and evolution in Plants /  
by G. Ledyard Stebbins. 
 - New Delhi :   Oxford & IBH Publishing CO. Pvt. Ltd. ,   1964 
 - 643p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants evolution
<br/><br/><label>Dewey Class. No.: </label>I:66  / K4