Tadesse, Mesfin <br/><br/>
The genus Bidens (compositae) in NE tropical Africa 

 - Uppsala:  Uppsala University,  1984. 
 - 138p.:  ill.;  25cm. 
<br/><br/>Include bibliographical reference 
<br/><br/><label>ISBN: </label>9155416101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany<br/>Compsitae
<br/><br/><label>LC Class. No.: </label>BOT QK495.C74