Gentry. Alwyn H. <br/><br/>
A field guide. To the families and genera of woody plants of nortwest South America (Colombia, Ecuador, Perú) with supplementary notes on herbaceous taxa. 

 - Chicago  The University Of Chicago  1993 
<br/><br/><label>ISBN: </label>0226289443 
<br/><br/><label>Dewey Class. No.: </label>582.16 G339f