Keenan, Philip E. <br/><br/>
Wild orchids across North America :  a botanical travelogue 
/by Philip E. Keenan 
 - Portland, Oregon :  Timber Press,  1998. 
 - 321 p. :  ilus. 
<br/><br/><label>ISBN: </label>0881924520 
<br/><br/><label>LCCN: </label>80668 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orquidáceas--Canada.<br/>Orquidáceas--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>584.15  / K4