Laetsch, Watson M <br/><br/>
Plants :  basic concepts in botany / 
Watson M. Laetsch 
 - Boston :  Little, Brown,  1979 
 - xv, 510 pages :  illustrations ;  24 cm 
<br/><br/>Includes bibliographical references (pages 483-489) and index 
<br/><br/><label>ISBN: </label>0316511862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany