Flora of tropical East Africa : prepared at the Royal Botanic Gardens, Kew with the assistance from the east African herbarium 
editor, R.M. Polhill, by B. Verdcourt 
 - Rotterdam  Balkema  1992 
 - 155 p. : ill 
<br/><br/> Cover title 
<br/><br/><label>ISBN: </label>9789061913580 
<br/><br/><label>Subjects--Topical Terms: </label><br/>East africa<br/>Verbenaceae
<br/><br/><label>Dewey Class. No.: </label>581.9676 POL