The evolution of plants 

 - [s.l] :    [s.l] ,    19?? 
 - 254 p. :    ill. ;    18 cm. 
<br/><br/>Includes bibliographical references (p.246-247) and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plants -- Evolution
<br/><br/><label>Dewey Class. No.: </label>581.38