Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands / 
Editors : Pedro Acevedo-Rodríguez and Mark T. Strong. 
 -- Washington :   National Museum of Natural History, Department of botany,   2005 
 - 415 p.  il. -- 
 (Contributions from the United States National Herbarium  ; 52).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gymnospermas<br/>Monocotiledoneas<br/>Puerto Rico
<br/><br/><label>Universal Decimal Class. No.: </label>582.52/.59(729.5)