Little, Elbert Luther <br/><br/>
Rare and endemic trees of Puerto Rico and the Virgin Islands 
by Elbert L. Little and Roy O. Woodbury. 
 - Washington  Forest Service  1980. 
 - ii, 26 p. 
 - Conservation research  27 .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rare plants--Puerto Rico.<br/>Trees--Virgin Islands of the United States.<br/>Trees--Puerto Rico.<br/>Rare plants--Virgins Islands of the United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Trees.<br/>Virgins Islands--Trees.