The Orchid book  a guide to the identification of cultural orchird species 
edited by J. Cullen. 
 - Cambridge :   Cambridge University Press,   1992. 
 - 529 p. :   ill. ;    24 cm. 
<br/><br/><label>ISBN: </label>0521418569  RM116.83 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids--Identification.<br/>Orchids--Europe--Identification.<br/>Orchid culture.<br/>Orchid culture--Europe.