Centres of plant diversity  a guide and strategy for their conservation 
edited by S. D. Davis, V.H. Heywood and A.C. Hamilton 
 - Cambridge  IUCN Publications Services Unit  1994 
 - v. : ill. ; 30 cm. 
<br/><br/><label>ISBN: </label>283170197X  RM122.10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant conservation<br/>Botany