The world book encyclopedia of science 

 - Rev. ed. 
 - Chicago :  World Book,  1986. 
 -  ill. (some col.) ;  29 cm. 
<br/><br/> The plant world. 
<br/><br/><label>ISBN: </label>071663192X (set) 
<br/><br/><label>LCCN: </label>86050622 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Dictionaries.<br/>Science--Encyclopedias.
<br/><br/><label>LC Class. No.: </label>Q121  / .W65 1986 
<br/><br/><label>Dewey Class. No.: </label>503/.21