Stebbins, G. Ledyard (George Ledyard), 1906-  Stebbins, G. Ledyard (George Ledyard), 1906- <br/><br/>
Variation and evolution in plants. 

 - New York,  Columbia University Press,  1950. 
 - Columbia biological series ;  no. 16 .
<br/><br/>"Works cited": p. [563]-622. 
<br/><br/><label>LCCN: </label>50009426 //r842 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants -- Evolution.--Plants -- Evolution.<br/>Plants -- Variation.--Plants -- Variation.
<br/><br/><label>LC Class. No.: </label>QK980  / .S8 
<br/><br/><label>Dewey Class. No.: </label>581.15