Grant, Verne <br/><br/>
Plant speciation 
Verne Grant 
 - New York  Columbia University Press  1971 
 - x, 435 p. : ill. ; 23 cm. 
<br/><br/>Bibliography: p. 387-416. 
<br/><br/><label>ISBN: </label>0231032080 
<br/><br/><label>LCCN: </label>75-125620 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Evolution<br/>Species