Stebbins, G. Ledyard <br/><br/>
Variation and evolution in plants 
G. Ledyard Stebbins. 
 - London  Geoffrey Cumberledge, Oxford University Press  1950. 
 - xix, 643 p.  ill. 
<br/><br/>"Works cited": p. [563]-622. 
<br/><br/><label>Nat. Bib. No.: </label>GB51-85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Evolution.<br/>Botany--Variation.
<br/><br/><label>LC Class. No.: </label>QK980  / .S8 1950 
<br/><br/><label>Dewey Class. No.: </label>581.38