The Royal horticultural society Gardner's Encyclopedia of plants and flowers 
edited by Christopher Brikell. 
 - London  Dorling Kindersley  1989 
 - 608p., ill.; 29.5cm. 
<br/><br/><label>ISBN: </label>0-86318-386-7. 
<br/><br/><label>Dewey Class. No.: </label>635.903  / R99R