Prance, Ghillean Tolmie <br/><br/>
Extinction is forever, threatened and endangered species of plants in the Americas and their significance in ecosystems  : proceedings of a symposium... 

 - Bronx, N.Y. :  The New York Botanical Garden,  1977 
 - 437 p.  : ilus. ; mapas 
<br/><br/><label>LCCN: </label>54099 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plantas--Extinción.
<br/><br/><label>Dewey Class. No.: </label>580  / P7