Paul Martin Brown <br/><br/>
Woodland and Bog Rein Orchids in Your Pocket  A Guide to Native Platanthera Species of the Continental United States and Canada 

 -  University Of Iowa Press  2010 
 - A Bur Oak Guide .
<br/><br/><label>ISBN: </label>9781587298622 
<br/><br/><label>Subjects--Topical Terms: </label><br/> General<br/>NATURE <br/>Orchids--Canada--Guidebooks.,Orchids--United States--Guidebooks.,Platanthera.,Platanthera--Canada--Guidebooks.,Platanthera--United States--Guidebooks.