Grant Verne <br/><br/>
Plant speciation 

 - New York       Columbia University Press        1971 
 - x, 435p.  cm. illus. 
<br/><br/><label>Standard No.: </label>50067 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant evolution<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I:66, L1