Lang, David. <br/><br/>
Orchids of Britain  : a field guide 

 - Oxford :  University Press,  1980 
 - 213 p.  : láms. 
<br/><br/><label>LCCN: </label>28249 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flores--Gran Bretaña.<br/>Orquidáceas.
<br/><br/><label>Dewey Class. No.: </label>584.15  / L3