The handbook on orchid nomenclature and registration / 
prepared by J. Greatwood ... [et al.] 
 - 4th ed. 
 - London :  International Orchid Commission,  1993 
 - 177 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>1874431027 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids--Classification.<br/>Orchids--Nomenclature.