Davis, Stephen D. <br/><br/>
Plants in danger:  what do we know? / 
Stephen D. Davis...[et al.]. 
 - Gland :  IUCN,  1986. 
 - xlv, 461 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant conservation<br/>Botanical gardens