Webster, Patsy. <br/><br/>
The orchid genus book  a study guide for the orchid family 
Patsy Webster. 
 - New York :   American Orchid Society,   1992. 
 - 1v. :   ill. ;    28 cm. 
<br/><br/> 'Accompanied by chart entitled: Quick guide to the orchid family'. 
<br/><br/><label>ISBN: </label>9994115499 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids--Classification.<br/>Orchids--Indexes.