Ackerman, James D <br/><br/>
The orchids of Puerto Rico and the Virgin Islands = Las orquídeas de Puerto Rico y las Islas Vírgenes / 
James D. Ackerman (text), Maruja del Castillo Mayda (illustrations), 
 - San Juan, Puerto Rico :  University of Puerto Rico Press,  1992       
 - xvi, 167 p. 
<br/><br/><label>ISBN: </label>0847723429 
<br/><br/><label>LC Class. No.: </label>LEWIS