Britton, Nathaniel Lord <br/><br/>
Botany of Porto Rico and the Virgin Islands.  Descriptive flora - Spermatophyta 
[by] N. L. Britton and Percy Wilson. 
 - New York  The Academy  1923-25. 
 - 2 v.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Puerto Rico.<br/>Botany--Virgin Islands of the United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico