The world book encyclopedia of science :  the plant world. 

 - Chicago :  World Book,Inc,  1989. 
 - 159 p. 
 -  Vol. 5 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0716633930 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic encyclopedia.<br/>Encyclopedias and doctrines.<br/>Science--Encyclopedias.<br/>Science.
<br/><br/><label>LC Class. No.: </label>Q121  / .W67