Dressler, Robert L. <br/><br/>
Phylogeny and classification of the orchid family / 
Robert L. Dressler ; [edited by] Theodore R. Dudley. 
 - Portland, Oregon :  Dioscorides Press,  c1993. 
 - 314 p. :  ill. 
<br/><br/><label>ISBN: </label>0931146240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids--Classification.<br/>Orchids--Phylogeny.