Dressler, R.L. <br/><br/>
The Orchids   natural history and classification 
R.L Dressler 
 - Harvard; Harvard College Pub; 1981. 
<br/><br/><label>ISBN: </label>0674875257 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids
<br/><br/><label>LC Class. No.: </label>QK 495 .O7D7