Gupton,Oscar W. and Fred C. Swope <br/><br/>
Wild Orchids of the Middle Atlantic States 

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 - Knoxville - EEUU  University of Tennese Press  1986 
 - 112p.  Verde 22cm 
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<br/><br/><label>ISBN: </label>0-87049-509-7 
<br/><br/><label>Subjects--Topical Terms: </label>--Orquideas--Plantas exoticas--Orquideas silvestres--Middle Atlantic States--Estados Unidos<br/>Botanica