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>0863183867. 
<br/><br/><label>Dewey Class. No.: </label>635.903 R99R