Britton, Nathaniel Lord, 1859-1934 <br/><br/>
Botany of Porto Rico and the Virgin Islands 

 - New York  Academy of Sciences  1924 
 -  24 cm.   
 - Scientific survey of Porto Rico and the Virgin Islands .
<br/><br/> Contenido: Preface, by N. L. Britton -- pte.1. Descriptive flora, Spermatophyta, by N. L. Britton and Percy Wilson -- pte.2. Descriptive flora, Spermatophyta, with appendix by N. L. Britton and Percy Wilson -- pte.3. Descriptive flora, Pteridophyta, by William R. Maxon -- pte.4 Supplement to Descriptive flora, Spermatophyta. Bibliography: Spermatophyta and Pteridophyta. Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PUERTO RICO<br/>FITOGEOGRAFIA<br/>ESPERMATOFITAS<br/>FLORA