De Lange, A. <br/><br/>
Seed micromorphology of neotropical begonias / 
A. de Lange and F. Bouman 
 - Washington, D.C. :  Smithsonian Institution Press,  1999 
 - iv, 49 p. :  ill. ;  28  cm. 
 - Smithsonian contributions to botany ;  no. 90 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Begonias--Seeds--Morphology<br/>Scanning electron microscopy