Grant, Verne <br/><br/>
Plant speciation 
Verne Grant 
 - New York  Columbia University Press  1971 
 - x, 435 p.  ill  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Evolution<br/>Species
<br/><br/><label>Dewey Class. No.: </label>581.3  / 8