Stebbins, G Ledyard <br/><br/>
Variation and evolution in plant 

 -  Oxford & IBH Publishing Co., New Delhi  1964 
 - 643 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant evoloution
<br/><br/><label>Dewey Class. No.: </label>PG 581.38  STE-V