Campbell, Douglas Houghton,  1859-1953, <br/><br/>
The evolution of the land plants (Embryophyta) 
by Douglas Houghton Campbell. 
 - ix, 731 pages :  illustrations, diagrams ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Evolution.<br/>Botany--Classification.