Robinson, Harold. <br/><br/>
Generic and subtribal classification of american vernonieae 
/by Harold Robinson 
 - Washington, D. C. :  Smithsonian Institution Press,  1999. 
 - 116 p. :  ilus. 
 - Smithsonian contributions to botany  ; 89 .
 - Smithsonian contributions to botany  ; 89 .
<br/><br/><label>LCCN: </label>81735 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flores--Identificación.<br/>Vernonia.
<br/><br/><label>Dewey Class. No.: </label>581.463  / R6