Dressler, Robert I. <br/><br/>
The genus encyclia in México / 
Robert I. Dressler and Glenn E. Pollard 
 - 151 p. :  il. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ORQUIDEAS--VARIEDADES.
<br/><br/><label>Dewey Class. No.: </label>584.15  / D4 1976